Added Example for cleanup dfsr

Added some error logging

.github/FUNDING.yml

@@ -1,7 +1,4 @@
 # These are supported funding model platforms
 
 github: PrzemyslawKlys
-patreon: przemyslawklys
-ko_fi: przemyslawklys
-open_collective: evotec
 custom: https://paypal.me/PrzemyslawKlys

Examples/Example-02-RemoveEmptyAndUnlinkedGPOs.ps1

@@ -2,4 +2,4 @@
 
 # Remove GPOS
 $BackupPath = "$Env:UserProfile\Desktop\GPO"
-Remove-GPOZaurr -Type Empty, Unlinked -BackupPath $BackupPath -BackupDated -LimitProcessing 2 -Verbose
+Remove-GPOZaurr -Type Empty, Unlinked -BackupPath $BackupPath -BackupDated -LimitProcessing 2 -Verbose -WhatIf

Examples/Example-04-GPOinformation.ps1

@@ -1,7 +1,7 @@
 Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
 
 $GPOS = Get-GPOZaurr
-$GPOS | Format-Table -AutoSize
+$GPOS | Format-Table -AutoSize *
 
 $GPOS[0] | Format-List
 

Examples/Example-14-ListingGPOsPerOU3.ps1

@@ -1,5 +1,6 @@
 Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
 
 Get-ADOrganizationalUnit -Filter * -Properties distinguishedName, LinkedGroupPolicyObjects | Get-GPOZaurrLink | Format-Table
+Get-ADOrganizationalUnit -Filter * -Properties canonicalname, distinguishedName, LinkedGroupPolicyObjects | Get-GPOZaurrLink | Format-Table
 Get-ADObject -Filter * -Properties distinguishedName, gplink -Server 'ad.evotec.pl' | Get-GPOZaurrLink | Format-Table -AutoSize
 Get-GPOZaurrLink | Format-Table -AutoSize

Examples/Example-14-ListingGPOsPerOU4.ps1

@@ -0,0 +1,3 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+Get-GPOZaurrLink -Linked 'Root' -IncludeDomains 'ad.evotec.pl' | Format-Table

Examples/Example-14-ListingGPOsPerOURemoveDuplicates.ps1

@@ -0,0 +1,5 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+Get-GPOZaurrLink -SearchBase "OU=ITR01,DC=ad,DC=evotec,DC=xyz" -Verbose | Format-Table -a *
+
+Get-GPOZaurrLink -SearchBase "OU=ITR01,DC=ad,DC=evotec,DC=xyz" -SkipDuplicates | Format-Table -a *

Examples/Example-16-AddRemoveGPOPermission03.ps1

@@ -1,14 +1,6 @@
 #Clear-Host
 Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
 
-$ApprovedGroups = @(
-    'GDS-TestGroup10'
-)
-$RootGroups = @(
-    #'przemyslaw.klys'
-)
-
-
 Invoke-GPOZaurrPermission -Linked Root -Verbose {
     Set-GPOOwner -Type Administrative
     #Set-GPOOwner -Principal 'EVOTEC\Enterprise Admins'

Examples/Example-16-AddRemoveGPOPermission04.ps1

@@ -8,4 +8,4 @@ Invoke-GPOZaurrPermission -Verbose -SearchBase 'OU=Computers,OU=Production,DC=ad
     Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity
     #Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity
     #Add-GPOPermission -Type WellKnownAdministrative -IncludePermissionType GpoEditDeleteModifySecurity
-} #-WhatIf #| Format-Table *
+} -WhatIf #| Format-Table *

Examples/Example-16-KeepPermissions.ps1

@@ -1,6 +1,4 @@
 Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
-Import-Module 'C:\Support\GitHub\PSSharedGoods\PSSharedGoods.psd1' -Force
-
 
 # Apply permissions for ROOT
 Invoke-GPOZaurrPermission -Verbose -Linked Root -IncludeDomains 'ad.evotec.xyz' {
@@ -10,7 +8,6 @@ Invoke-GPOZaurrPermission -Verbose -Linked Root -IncludeDomains 'ad.evotec.xyz'
     Add-GPOPermission -Type AuthenticatedUsers -IncludePermissionType GpoRead -PermitType Allow
 } -WhatIf
 
-
 # Apply perrmissions for Domain Controllers
 Invoke-GPOZaurrPermission -Verbose -Linked DomainControllers -IncludeDomains 'ad.evotec.xyz' {
     Set-GPOOwner -Type Administrative
@@ -29,7 +26,7 @@ Invoke-GPOZaurrPermission -Verbose -SearchBase 'OU=ITR01,DC=ad,DC=evotec,DC=xyz'
     Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity -PermitType Allow -ExcludePrincipal $Exclude -ExcludePrincipalType DistinguishedName
     Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity -PermitType Allow
     Add-GPOPermission -Type AuthenticatedUsers -IncludePermissionType GpoRead -PermitType Allow
-} #-WhatIf
+} -WhatIf
 
 $Exclude = @(
     'CN=ITR02_AD Admins,OU=Security,OU=Groups,OU=Production,DC=ad,DC=evotec,DC=xyz'
@@ -42,4 +39,4 @@ Invoke-GPOZaurrPermission -Verbose -SearchBase 'OU=ITR02,DC=ad,DC=evotec,DC=xyz'
     Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity -PermitType Allow -ExcludePrincipal $Exclude -ExcludePrincipalType DistinguishedName
     Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity -PermitType Allow
     Add-GPOPermission -Type AuthenticatedUsers -IncludePermissionType GpoRead -PermitType Allow
-} #-WhatIf
+} -WhatIf

Examples/Example-16-KeepPermissions02.ps1

@@ -0,0 +1,44 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+# Apply permissions for ROOT
+Invoke-GPOZaurrPermission -Verbose -Linked Root -IncludeDomains 'ad.evotec.pl' {
+    Set-GPOOwner -Type Administrative
+    Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity -PermitType Allow
+    Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity -PermitType Allow
+    Add-GPOPermission -Type AuthenticatedUsers -IncludePermissionType GpoRead -PermitType Allow
+} -WhatIf -SkipDuplicates
+
+
+# Apply perrmissions for Domain Controllers
+Invoke-GPOZaurrPermission -Verbose -Linked DomainControllers -IncludeDomains 'ad.evotec.xyz' {
+    Set-GPOOwner -Type Administrative
+    Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity -PermitType Allow
+    Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity -PermitType Allow
+    Add-GPOPermission -Type AuthenticatedUsers -IncludePermissionType GpoRead -PermitType Allow
+} -WhatIf -SkipDuplicates
+
+# Apply permissions for Regions, with exclusions for those 4 groups
+$Exclude = @(
+    'CN=ITR01_AD Admins,OU=Security,OU=Groups,OU=Production,DC=ad,DC=evotec,DC=xyz'
+)
+
+Invoke-GPOZaurrPermission -Verbose -SearchBase 'OU=ITR01,DC=ad,DC=evotec,DC=xyz' {
+    Set-GPOOwner -Type Administrative
+    Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity -PermitType Allow -ExcludePrincipal $Exclude -ExcludePrincipalType DistinguishedName
+    Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity -PermitType Allow
+    Add-GPOPermission -Type AuthenticatedUsers -IncludePermissionType GpoRead -PermitType Allow
+} -WhatIf -SkipDuplicates
+
+
+$Exclude = @(
+    'CN=ITR02_AD Admins,OU=Security,OU=Groups,OU=Production,DC=ad,DC=evotec,DC=xyz'
+    #'CN=ITR03_AD Admins,OU=Security,OU=Groups,OU=Production,DC=ad,DC=evotec,DC=xyz'
+    #'CN=ITR04_AD Admins,OU=Security,OU=Groups,OU=Production,DC=ad,DC=evotec,DC=xyz'
+)
+
+Invoke-GPOZaurrPermission -Verbose -SearchBase 'OU=ITR02,DC=ad,DC=evotec,DC=xyz' {
+    Set-GPOOwner -Type Administrative
+    Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity -PermitType Allow -ExcludePrincipal $Exclude -ExcludePrincipalType DistinguishedName
+    Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity -PermitType Allow
+    Add-GPOPermission -Type AuthenticatedUsers -IncludePermissionType GpoRead -PermitType Allow
+} -WhatIf -SkipDuplicates

Examples/Example-16-KeepPermissions03.ps1

@@ -0,0 +1,9 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+# This is a bit special - I would read blog post before running this
+Invoke-GPOZaurrPermission -Verbose -Level 1 -Limit 1 {
+    Set-GPOOwner -Type Administrative
+    Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity -PermitType Allow
+    Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity -PermitType Allow
+    Add-GPOPermission -Type AuthenticatedUsers -IncludePermissionType GpoRead -PermitType Allow
+} -WhatIf

Examples/Example-20-RemoveOrphanedFoldersSysvol.ps1

@@ -1,7 +1,7 @@
 Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
 
 # this allows you to process X amount of orphaned folders/files (good for testing)
-Remove-GPOZaurrOrphanedSysvolFolders -Verbose -WhatIf -LimitProcessing 2
+Remove-GPOZaurrOrphanedSysvolFolders -Verbose -WhatIf -LimitProcessing 2 -IncludeDomains 'ad.evotec.xyz'
 
 # this runs for whole SYSVOL and checks things against GPOS
-Remove-GPOZaurrOrphanedSysvolFolders -Verbose -WhatIf
+Remove-GPOZaurrOrphanedSysvolFolders -Verbose -IncludeDomains 'ad.evotec.xyz' -BackupPath $Env:UserProfile\Desktop\MyBackup1 #-WhatIf

Examples/Example-22-RemoveLegacyADMFiles.ps1

@@ -1,3 +1,3 @@
 Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
 
-Remove-GPOZaurrLegacyFiles -Verbose -WhatIf
+Remove-GPOZaurrLegacyFiles -Verbose -BackupPath $Env:USERPROFILE\Desktop\BackupADM1 -BackupDated -RemoveEmptyFolders #-WhatIf #-LimitProcessing 2 -WhatIf

Examples/Example-23-Links.ps1

@@ -0,0 +1,14 @@
+Clear-Host
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+#Get-GPOZaurrLinkSummary | Format-Table *
+#Get-GPOZaurrLinkSummary -UnlimitedProperties | Format-Table *
+#Get-GPOZaurrLinkSummary -Report 'MultipleLinks' -UnlimitedProperties | Format-Table *
+#Get-GPOZaurrLinkSummary -Report 'OneLink' -UnlimitedProperties | Format-Table *
+#Get-GPOZaurrLinkSummary -Report 'LinksSummary' -UnlimitedProperties | Format-Table *
+
+$Report = Get-GPOZaurrLinkSummary #-UnlimitedProperties
+$Report | Format-Table *
+$Report.MultipleLinks | Format-Table *
+$Report.OneLink | Format-Table *
+$Report.LinksSummary | Format-Table *

Examples/Example-24-Links02.ps1

@@ -0,0 +1,12 @@
+Clear-Host
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+$Report = Get-GPOZaurrLinkSummary -Report OneLink
+$Report | Format-Table
+$AffectedGPOs = foreach ($GPO in $Report) {
+    if ($GPO.Level1 -gt 1) {
+        $GPO
+    }
+}
+
+$AffectedGPOs | Format-Table *

Examples/Example-25-ListSysVolFiles.ps1

@@ -0,0 +1,6 @@
+Clear-Host
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+Get-GPOZaurrFiles -Type All | Out-HtmlView -ScrollX -Filtering -AllProperties
+Get-GPOZaurrFiles -HashAlgorithm MD5 | Select-Object -First 2 | ConvertTo-Excel -FilePath $Env:USERPROFILE\Desktop\GPOListFiles.xlsx -AllProperties -ExcelWorkSheetName 'Files Just 2' -AutoFilter -AutoFit #-OpenWorkBook
+Get-GPOZaurrFiles -Type All -HashAlgorithm SHA256 | ConvertTo-Excel -FilePath $Env:USERPROFILE\Desktop\GPOListFiles.xlsx -AllProperties -ExcelWorkSheetName 'Files All' -AutoFilter -AutoFit #-OpenWorkBook

Examples/Example-26-Files.ps1

@@ -0,0 +1,10 @@
+Clear-Host
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+$Output = Get-GPOZaurrSysvol | ForEach-Object {
+    $Path = $_.Path
+    Get-ChildItem -Path $Path -ErrorAction SilentlyContinue -Recurse -ErrorVariable err -File | ForEach-Object {
+        Get-FileMetaData -File $_ -Signature -HashAlgorithm 'SHA256'
+    }
+}
+$Output | Format-Table

Examples/Example-28-SaveGPO.ps1

@@ -0,0 +1,4 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+#Save-GPOZaurrFiles -GPOPath $ENV:USERPROFILE\Desktop\GPOExport -DeleteExisting
+Save-GPOZaurrFiles -GPOPath 'C:\Support\GitHub\GpoZaurr\Ignore\GPOExport' #-DeleteExisting

Examples/Example-29-FindGPO0.ps1

@@ -0,0 +1,12 @@
+#Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+# Asses GPO based on exported data
+$Output = Invoke-GPOZaurr -GPOPath $Env:USERPROFILE\Desktop\GPOExport -Verbose
+#$Output = Invoke-GPOZaurr -GPOPath 'C:\Support\GitHub\GpoZaurr\Ignore\GPOExportTest' -Verbose
+$Output | Format-Table *
+
+# Export to Excel
+foreach ($Key in $Output.Reports.Keys) {
+    $Output.Reports[$Key] | ConvertTo-Excel -FilePath $Env:USERPROFILE\Desktop\EFGPOAnalysis.xlsx -ExcelWorkSheetName $Key -AutoFilter -AutoFit -FreezeTopRowFirstColumn
+}
+Start-Process "$Env:USERPROFILE\Desktop\EFGPOAnalysis.xlsx"

Examples/Example-29-FindGPO1.ps1

@@ -0,0 +1,18 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+$Output = Invoke-GPOZaurr
+$Output | Format-Table
+
+# Report to Excel of translated reports
+foreach ($Key in $Output.Reports.Keys) {
+    $Output.Reports[$Key] | ConvertTo-Excel -FilePath $Env:USERPROFILE\Desktop\GPOAnalysis.xlsx -ExcelWorkSheetName $Key -AutoFilter -AutoFit -FreezeTopRowFirstColumn
+}
+
+# Report to HTML of translated reports
+New-HTML {
+    foreach ($Key in $Output.Reports.Keys) {
+        New-HTMLTab -Name $Key {
+            New-HTMLTable -DataTable $Output.Reports[$Key]  -Filtering
+        }
+    }
+} -FilePath $Env:USERPROFILE\Desktop\GPOAnalysis.html -ShowHTML -Online

Examples/Example-29-FindGPO2.ps1

@@ -0,0 +1,8 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+# This gets the same thing as earlier examples
+# with a difference where one entry per gpo and all settings for that GPO is stored under settings property.
+$Output = Invoke-GPOZaurr -SingleObject
+$Output | Format-Table
+$Output.Reports.RegistrySettings | Format-Table *
+$Output.Reports.RegistrySettings[0].Settings | Format-Table *

Examples/Example-29-FindGPO3.ps1

@@ -0,0 +1,13 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+# Use Save-GPOZaurrFiles -GPOPath $ENV:USERPROFILE\Desktop\GPOExportAudit
+$Output = Invoke-GPOZaurr -GPOPath $ENV:USERPROFILE\Desktop\GPOExportAudit -Verbose #-SkipCleanup #-Type PoliciesPrinters, Policies
+$Output | Format-Table *
+
+$Output.Reports | Format-Table
+
+# Export to Excel
+foreach ($Key in $Output.Reports.Keys) {
+    $Output.Reports[$Key] | ConvertTo-Excel -FilePath $Env:USERPROFILE\Desktop\GPOAnalysis.xlsx -ExcelWorkSheetName $Key -AutoFilter -AutoFit -FreezeTopRowFirstColumn
+}
+Start-Process "$Env:USERPROFILE\Desktop\GPOAnalysis.xlsx"

Examples/Example-30-AssesSyvolFiles.ps1

@@ -0,0 +1,4 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+$Files = Get-GPOZaurrFiles -Limited -Signature
+$Files | ConvertTo-Excel -OpenWorkBook -FilePath $Env:USERPROFILE\Desktop\GPOTesting.xlsx -ExcelWorkSheetName 'GPO Output' -AutoFilter -AutoFit -FreezeTopRowFirstColumn

Examples/Example-30-FindPolicyDefinitions.ps1

@@ -0,0 +1,6 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+$Policies = Get-GPOZaurrFilesPolicyDefinitions -Signature
+$Policies | Format-Table
+#$Policies.FilesToDelete | Format-Table *
+$Policies['ad.evotec.xyz'] | Format-Table *

Examples/Example-31-FindAndRemoveEmptyFolders.ps1

@@ -0,0 +1,7 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+# Report on empty folders
+Get-GPOZaurrFolders -FolderType Empty | Format-Table *
+
+# ! NOT READY FOR EMPTY
+#Remove-GPOZaurrFolders -FolderType Empty -Verbose -BackupPath $Env:USERPROFILE\Desktop\SomeBackup1 -WhatIf

Examples/Example-32-FindAndRemoveNTFRSFolders.ps1

@@ -0,0 +1,7 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+# Report on NTFRS folders
+Get-GPOZaurrFolders -FolderType NTFRS | Format-Table *
+
+# Remove NTFRS (broken replication folders)
+Remove-GPOZaurrFolders -FolderType NTFRS -Verbose -BackupPath $Env:USERPROFILE\Desktop\SomeBackup -WhatIf

Examples/Example-33-CleanupPrivateDFSR.ps1

@@ -0,0 +1,10 @@
+Import-Module "$PSScriptRoot\..\GPoZaurr.psd1" -Force
+
+# Cleanup based on https://techcommunity.microsoft.com/t5/ask-the-directory-services-team/manually-clearing-the-conflictanddeleted-folder-in-dfsr/ba-p/395711
+
+# Get dfsr information
+$DFSR = Get-GPOZaurrSysvolDFSR
+$DFSR | Format-Table
+
+# Cleanup DFSR Conflict Path
+Clear-GPOZaurrSysvolDFSR -WhatIf

GPOZaurr.psd1

@@ -1,27 +1,27 @@
 @{
-    AliasesToExport      = ''
+    AliasesToExport      = 'Find-GPO'
     Author               = 'Przemyslaw Klys'
     CompanyName          = 'Evotec'
     CompatiblePSEditions = 'Desktop'
     Copyright            = '(c) 2011 - 2020 Przemyslaw Klys @ Evotec. All rights reserved.'
-    Description          = 'Group Policy Eater'
-    FunctionsToExport    = 'Add-GPOPermission', 'Add-GPOZaurrPermission', 'Backup-GPOZaurr', 'Get-GPOZaurr', 'Get-GPOZaurrAD', 'Get-GPOZaurrBackupInformation', 'Get-GPOZaurrLegacyFiles', 'Get-GPOZaurrLink', 'Get-GPOZaurrOwner', 'Get-GPOZaurrPassword', 'Get-GPOZaurrPermission', 'Get-GPOZaurrPermissionConsistency', 'Get-GPOZaurrSysvol', 'Get-WMIFilter', 'Get-GPOZaurrWMI', 'Invoke-GPOZaurrPermission', 'New-GPOZaurrWMI', 'Remove-GPOPermission', 'Remove-GPOZaurr', 'Remove-GPOZaurrLegacyFiles', 'Remove-GPOZaurrOrphanedSysvolFolders', 'Remove-GPOZaurrPermission', 'Remove-GPOZaurrWMI', 'Repair-GPOZaurrPermissionConsistency', 'Restore-GPOZaurr', 'Save-GPOZaurrFiles', 'Set-GPOOwner', 'Set-GPOZaurrOwner'
+    Description          = 'Group Policy Eater is a PowerShell module that aims to gather information about Group Policies but also allows fixing issues that you may find in them.'
+    FunctionsToExport    = 'Add-GPOPermission', 'Add-GPOZaurrPermission', 'Backup-GPOZaurr', 'Clear-GPOZaurrSysvolDFSR', 'Get-GPOZaurr', 'Get-GPOZaurrAD', 'Get-GPOZaurrBackupInformation', 'Get-GPOZaurrFiles', 'Get-GPOZaurrFilesPolicyDefinitions', 'Get-GPOZaurrFolders', 'Get-GPOZaurrLegacyFiles', 'Get-GPOZaurrLink', 'Get-GPOZaurrLinkSummary', 'Get-GPOZaurrOwner', 'Get-GPOZaurrPassword', 'Get-GPOZaurrPermission', 'Get-GPOZaurrPermissionConsistency', 'Get-GPOZaurrSysvol', 'Get-GPOZaurrSysvolDFSR', 'Get-GPOZaurrWMI', 'Invoke-GPOZaurr', 'Invoke-GPOZaurrPermission', 'New-GPOZaurrWMI', 'Remove-GPOPermission', 'Remove-GPOZaurr', 'Remove-GPOZaurrFolders', 'Remove-GPOZaurrLegacyFiles', 'Remove-GPOZaurrOrphanedSysvolFolders', 'Remove-GPOZaurrPermission', 'Remove-GPOZaurrWMI', 'Repair-GPOZaurrPermissionConsistency', 'Restore-GPOZaurr', 'Save-GPOZaurrFiles', 'Set-GPOOwner', 'Set-GPOZaurrOwner'
     GUID                 = 'f7d4c9e4-0298-4f51-ad77-e8e3febebbde'
-    ModuleVersion        = '0.0.33'
+    ModuleVersion        = '0.0.51'
     PowerShellVersion    = '5.1'
     PrivateData          = @{
         PSData = @{
-            Tags                       = 'Windows', 'ActiveDirectory', 'GPO'
+            Tags                       = 'Windows', 'ActiveDirectory', 'GPO', 'GroupPolicy'
             ProjectUri                 = 'https://github.com/EvotecIT/GPOZaurr'
             ExternalModuleDependencies = 'ActiveDirectory', 'GroupPolicy', 'CimCmdlets', 'Microsoft.PowerShell.Management', 'Microsoft.PowerShell.Utility'
         }
     }
     RequiredModules      = @{
-        ModuleVersion = '0.0.145'
+        ModuleVersion = '0.0.165'
         ModuleName    = 'PSSharedGoods'
         Guid          = 'ee272aa8-baaa-4edf-9f45-b6d6f7d844fe'
     }, @{
-        ModuleVersion = '0.0.57'
+        ModuleVersion = '0.0.65'
         ModuleName    = 'ADEssentials'
         Guid          = '9fc9fd61-7f11-4f4b-a527-084086f1905f'
     }, 'ActiveDirectory', 'GroupPolicy', 'CimCmdlets', 'Microsoft.PowerShell.Management', 'Microsoft.PowerShell.Utility'

Private/ConvertTo-XMLAccountPolicy.ps1

@@ -0,0 +1,39 @@
+function ConvertTo-XMLAccountPolicy {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO
+    )
+    $CreateGPO = [ordered]@{
+        DisplayName           = $GPO.DisplayName
+        DomainName            = $GPO.DomainName
+        GUID                  = $GPO.GUID
+        GpoType               = $GPO.GpoType
+        #GpoCategory = $GPOEntry.GpoCategory
+        #GpoSettings = $GPOEntry.GpoSettings
+        ClearTextPassword     = 'Not Set'
+        LockoutBadCount       = 'Not Set'
+        LockoutDuration       = 'Not Set'
+        MaximumPasswordAge    = 'Not Set'
+        MinimumPasswordAge    = 'Not Set'
+        MinimumPasswordLength = 'Not Set'
+        PasswordComplexity    = 'Not Set'
+        PasswordHistorySize   = 'Not Set'
+        ResetLockoutCount     = 'Not Set'
+        MaxClockSkew          = 'Not Set'
+        MaxRenewAge           = 'Not Set'
+        MaxServiceAge         = 'Not Set'
+        MaxTicketAge          = 'Not Set'
+        TicketValidateClient  = 'Not Set'
+    }
+    foreach ($GPOEntry in $GPO.DataSet) {
+        if ($GPOEntry.SettingBoolean) {
+            $CreateGPO[$($GPOEntry.Name)] = if ($GPOEntry.SettingBoolean -eq 'true') { 'Enabled' } elseif ($GPOEntry.SettingBoolean -eq 'false') { 'Disabled' } else { 'Not set' };
+        } elseif ($GPOEntry.SettingNumber) {
+            $CreateGPO[$($GPOEntry.Name)] = [int] $GPOEntry.SettingNumber
+        }
+    }
+    $CreateGPO['Linked'] = $GPO.Linked
+    $CreateGPO['LinksCount'] = $GPO.LinksCount
+    $CreateGPO['Links'] = $GPO.Links
+    [PSCustomObject] $CreateGPO
+}

Private/ConvertTo-XMLAudit.ps1

@@ -0,0 +1,116 @@
+function ConvertTo-XMLAudit {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $FullObject
+    )
+    $SettingType = @{
+        '0' = 'No Auditing'
+        '1' = 'Success'
+        '2' = 'Failure'
+        '3' = 'Success, Failure'
+    }
+    $CreateGPO = [ordered]@{
+        DisplayName                              = $GPO.DisplayName
+        DomainName                               = $GPO.DomainName
+        GUID                                     = $GPO.GUID
+        GpoType                                  = $GPO.GpoType
+        #GpoCategory = $GPOEntry.GpoCategory
+        #GpoSettings = $GPOEntry.GpoSettings
+        AuditAccountLogon                        = 'Not configured'
+        AuditAccountManage                       = 'Not configured'
+        AuditDSAccess                            = 'Not configured'
+        AuditLogonEvents                         = 'Not configured'
+        AuditObjectAccess                        = 'Not configured'
+        AuditPolicyChange                        = 'Not configured'
+        AuditPrivilegeUse                        = 'Not configured'
+        AuditProcessTracking                     = 'Not configured'
+        AuditSystemEvents                        = 'Not configured'
+        # Advanced Policies
+        AuditAccountLockout                      = 'Not configured'
+        AuditApplicationGenerated                = 'Not configured'
+        AuditApplicationGroupManagement          = 'Not configured'
+        AuditAuditPolicyChange                   = 'Not configured'
+        AuditAuthenticationPolicyChange          = 'Not configured'
+        AuditAuthorizationPolicyChange           = 'Not configured'
+        AuditCentralAccessPolicyStaging          = 'Not configured'
+        AuditCertificationServices               = 'Not configured'
+        AuditComputerAccountManagement           = 'Not configured'
+        AuditCredentialValidation                = 'Not configured'
+        AuditDetailedDirectoryServiceReplication = 'Not configured'
+        AuditDetailedFileShare                   = 'Not configured'
+        AuditDirectoryServiceAccess              = 'Not configured'
+        AuditDirectoryServiceChanges             = 'Not configured'
+        AuditDirectoryServiceReplication         = 'Not configured'
+        AuditDistributionGroupManagement         = 'Not configured'
+        AuditDPAPIActivity                       = 'Not configured'
+        AuditFileShare                           = 'Not configured'
+        AuditFileSystem                          = 'Not configured'
+        AuditFilteringPlatformConnection         = 'Not configured'
+        AuditFilteringPlatformPacketDrop         = 'Not configured'
+        AuditFilteringPlatformPolicyChange       = 'Not configured'
+        AuditGroupMembership                     = 'Not configured'
+        AuditHandleManipulation                  = 'Not configured'
+        AuditIPsecDriver                         = 'Not configured'
+        AuditIPsecExtendedMode                   = 'Not configured'
+        AuditIPsecMainMode                       = 'Not configured'
+        AuditIPsecQuickMode                      = 'Not configured'
+        AuditKerberosAuthenticationService       = 'Not configured'
+        AuditKerberosServiceTicketOperations     = 'Not configured'
+        AuditKernelObject                        = 'Not configured'
+        AuditLogoff                              = 'Not configured'
+        AuditLogon                               = 'Not configured'
+        AuditMPSSVCRuleLevelPolicyChange         = 'Not configured'
+        AuditNetworkPolicyServer                 = 'Not configured'
+        AuditNonSensitivePrivilegeUse            = 'Not configured'
+        AuditOtherAccountLogonEvents             = 'Not configured'
+        AuditOtherAccountManagementEvents        = 'Not configured'
+        AuditOtherLogonLogoffEvents              = 'Not configured'
+        AuditOtherObjectAccessEvents             = 'Not configured'
+        AuditOtherPolicyChangeEvents             = 'Not configured'
+        AuditOtherPrivilegeUseEvents             = 'Not configured'
+        AuditOtherSystemEvents                   = 'Not configured'
+        AuditPNPActivity                         = 'Not configured'
+        AuditProcessCreation                     = 'Not configured'
+        AuditProcessTermination                  = 'Not configured'
+        AuditRegistry                            = 'Not configured'
+        AuditRemovableStorage                    = 'Not configured'
+        AuditRPCEvents                           = 'Not configured'
+        AuditSAM                                 = 'Not configured'
+        AuditSecurityGroupManagement             = 'Not configured'
+        AuditSecurityStateChange                 = 'Not configured'
+        AuditSecuritySystemExtension             = 'Not configured'
+        AuditSensitivePrivilegeUse               = 'Not configured'
+        AuditSpecialLogon                        = 'Not configured'
+        AuditSystemIntegrity                     = 'Not configured'
+        AuditUserDeviceClaims                    = 'Not configured'
+        AuditUserAccountManagement               = 'Not configured'
+    }
+    foreach ($GPOEntry in $GPO.DataSet) {
+        if ($GPOEntry.PolicyTarget) {
+            # Category = 'AuditSettings', Settings = 'AuditSetting'
+            $Category = $GPOEntry.SubcategoryName -replace ' ', '' -replace '-', '' -replace '/', ''
+            if ($CreateGPO["$($Category)"]) {
+                $CreateGPO["$($Category)"] = $SettingType["$($GPOEntry.SettingValue)"]
+            }
+        } else {
+            # Category = 'SecuritySettings', Settings = 'Audit'
+            $SuccessAttempts = try { [bool]::Parse($GPOEntry.SuccessAttempts) } catch { $null };
+            $FailureAttempts = try { [bool]::Parse($GPOEntry.FailureAttempts) } catch { $null };
+            if ($SuccessAttempts -and $FailureAttempts) {
+                $Setting = 'Success, Failure'
+            } elseif ($SuccessAttempts) {
+                $Setting = 'Success'
+            } elseif ($FailureAttempts) {
+                $Setting = 'Failure'
+            } else {
+                $Setting = 'Not configured'
+            }
+            $CreateGPO["$($GPOEntry.Name)"] = $Setting
+        }
+    }
+    $CreateGPO['Linked'] = $GPO.Linked
+    $CreateGPO['LinksCount'] = $GPO.LinksCount
+    $CreateGPO['Links'] = $GPO.Links
+    [PSCustomObject] $CreateGPO
+}

Private/ConvertTo-XMLDriveMapSettings.ps1

@@ -0,0 +1,75 @@
+function ConvertTo-XMLDriveMapSettings {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($Entry in $GPO.DataSet.Drive) {
+            [PSCustomObject] @{
+                Changed         = [DateTime] $Entry.changed
+                #uid             = $Entry.uid
+                GPOSettingOrder = $Entry.GPOSettingOrder
+                Filter          = $Entry.Filter
+
+                Name            = $Entry.Name
+                Status          = $Entry.status
+                Action          = $Script:Actions["$($Entry.Properties.action)"]
+                ThisDrive       = $Entry.Properties.thisDrive
+                AllDrives       = $Entry.Properties.allDrives
+                UserName        = $Entry.Properties.userName
+                Path            = $Entry.Properties.path
+                Label           = $Entry.Properties.label
+                Persistent      = if ($Entry.Properties.persistent -eq '1') { $true } elseif ($Entry.Properties.persistent -eq '0') { $false } else { $Entry.Properties.persistent };
+                UseLetter       = if ($Entry.Properties.useLetter -eq '1') { $true } elseif ($Entry.Properties.useLetter -eq '0') { $false } else { $Entry.Properties.useLetter };
+                Letter          = $Entry.Properties.letter
+            }
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($Entry in $GPO.DataSet.Drive) {
+            $CreateGPO = [ordered]@{
+                DisplayName     = $GPO.DisplayName
+                DomainName      = $GPO.DomainName
+                GUID            = $GPO.GUID
+                GpoType         = $GPO.GpoType
+                #GpoCategory = $GPOEntry.GpoCategory
+                #GpoSettings = $GPOEntry.GpoSettings
+                Changed         = [DateTime] $Entry.changed
+                #uid             = $Entry.uid
+                GPOSettingOrder = $Entry.GPOSettingOrder
+                Filter          = $Entry.Filter
+
+                Name            = $Entry.Name
+                Status          = $Entry.status
+                Action          = $Script:Actions["$($Entry.Properties.action)"]
+                ThisDrive       = $Entry.Properties.thisDrive
+                AllDrives       = $Entry.Properties.allDrives
+                UserName        = $Entry.Properties.userName
+                Path            = $Entry.Properties.path
+                Label           = $Entry.Properties.label
+                Persistent      = if ($Entry.Properties.persistent -eq '1') { $true } elseif ($Entry.Properties.persistent -eq '0') { $false } else { $Entry.Properties.persistent };
+                UseLetter       = if ($Entry.Properties.useLetter -eq '1') { $true } elseif ($Entry.Properties.useLetter -eq '0') { $false } else { $Entry.Properties.useLetter };
+                Letter          = $Entry.Properties.letter
+            }
+            $CreateGPO['Linked'] = $GPO.Linked
+            $CreateGPO['LinksCount'] = $GPO.LinksCount
+            $CreateGPO['Links'] = $GPO.Links
+            [PSCustomObject] $CreateGPO
+        }
+    }
+}

Private/ConvertTo-XMLEventLog.ps1

@@ -0,0 +1,51 @@
+function ConvertTo-XMLEventLog {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO
+    )
+    $RetionPeriod = @{
+        '0' = 'Overwrite events as needed'
+        '1' = 'Overwrite events by days'
+        '2' = 'Do not overwrite events (Clear logs manually)'
+    }
+    $CreateGPO = [ordered]@{
+        DisplayName                        = $GPO.DisplayName
+        DomainName                         = $GPO.DomainName
+        GUID                               = $GPO.GUID
+        GpoType                            = $GPO.GpoType
+        #GpoCategory = $GPOEntry.GpoCategory
+        #GpoSettings = $GPOEntry.GpoSettings
+        ApplicationAuditLogRetentionPeriod = $null
+        ApplicationMaximumLogSize          = $null
+        ApplicationRestrictGuestAccess     = $null
+        ApplicationRetentionDays           = $null
+        SystemAuditLogRetentionPeriod      = $null
+        SystemMaximumLogSize               = $null
+        SystemRestrictGuestAccess          = $null
+        SystemRetentionDays                = $null
+        SecurityAuditLogRetentionPeriod    = $null
+        SecurityMaximumLogSize             = $null
+        SecurityRestrictGuestAccess        = $null
+        SecurityRetentionDays              = $null
+    }
+    foreach ($GPOEntry in $GPO.DataSet) {
+        if ($GPOEntry.SettingBoolean) {
+            $CreateGPO["$($GPOEntry.Log)$($GPOEntry.Name)"] = if ($GPOEntry.SettingBoolean -eq 'true') { 'Enabled' } elseif ($GPOEntry.SettingBoolean -eq 'false') { 'Disabled' } else { 'Not set' };
+        } elseif ($GPOEntry.SettingNumber) {
+            if ($GPOEntry.Name -eq 'AuditLogRetentionPeriod') {
+                if ($GPOEntry.SettingNumber) {
+                    $CreateGPO["$($GPOEntry.Log)$($GPOEntry.Name)"] = $RetionPeriod[$($GPOEntry.SettingNumber)]
+                } else {
+                    # Won't happen?
+                    $CreateGPO["$($GPOEntry.Log)$($GPOEntry.Name)"] = $GPOEntry.SettingNumber
+                }
+            } else {
+                $CreateGPO["$($GPOEntry.Log)$($GPOEntry.Name)"] = $GPOEntry.SettingNumber
+            }
+        }
+    }
+    $CreateGPO['Linked'] = $GPO.Linked
+    $CreateGPO['LinksCount'] = $GPO.LinksCount
+    $CreateGPO['Links'] = $GPO.Links
+    [PSCustomObject] $CreateGPO
+}

Private/ConvertTo-XMLGenericPolicy.ps1

@@ -0,0 +1,112 @@
+function ConvertTo-XMLGenericPolicy {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [string[]] $Category
+    )
+    $CreateGPO = [ordered]@{
+        DisplayName = $GPO.DisplayName
+        DomainName  = $GPO.DomainName
+        GUID        = $GPO.GUID
+        GpoType     = $GPO.GpoType
+        #GpoCategory = $GPOEntry.GpoCategory
+        #GpoSettings = $GPOEntry.GpoSettings
+    }
+    $UsedNames = [System.Collections.Generic.List[string]]::new()
+
+    [Array] $Policies = foreach ($Cat in $Category) {
+        $GPO.DataSet | Where-Object { $_.Category -like $Cat }
+    }
+    #if ($GPO.DataSet.Category -like $Category) {
+    if ($Policies.Count -gt 0) {
+        foreach ($Policy in $Policies) {
+            #if ($Policy.Category -notlike $Category) {
+            # We check again for Category because one GPO can have multiple categories
+            # First check checks GPO globally,
+            #    continue
+            #}
+            $Name = Format-ToTitleCase -Text $Policy.Name -RemoveWhiteSpace -RemoveChar ',', '-', "'", '\(', '\)', ':'
+            $CreateGPO[$Name] = $Policy.State
+
+            foreach ($Setting in @('DropDownList', 'Numeric', 'EditText', 'Text', 'CheckBox', 'ListBox')) {
+                if ($Policy.$Setting) {
+                    foreach ($Value in $Policy.$Setting) {
+                        if ($Value.Name) {
+                            $SubName = Format-ToTitleCase -Text $Value.Name -RemoveWhiteSpace -RemoveChar ',', '-', "'", '\(', '\)', ':'
+                            $SubName = -join ($Name, $SubName)
+                            if ($SubName -notin $UsedNames) {
+                                $UsedNames.Add($SubName)
+                            } else {
+                                $TimesUsed = $UsedNames | Group-Object | Where-Object { $_.Name -eq $SubName }
+                                $NumberToUse = $TimesUsed.Count + 1
+                                # We add same name 2nd and 3rd time to make sure we count properly
+                                $UsedNames.Add($SubName)
+                                # We now build property name based on amnount of times
+                                $SubName = -join ($SubName, "$NumberToUse")
+                            }
+                            if ($Value.Value -is [string]) {
+                                $CreateGPO["$SubName"] = $Value.Value
+                            } elseif ($Value.Value -is [System.Xml.XmlElement]) {
+
+                                <#
+                                if ($null -eq $Value.Value.Name) {
+                                    # Shouldn't happen but lets see
+                                    Write-Verbose $Value
+                                } else {
+                                    $CreateGPO["$SubName"] = $Value.Value.Name
+                                }
+
+                                #>
+                                if ($Value.Value.Element) {
+                                    $CreateGPO["$SubName"] = $Value.Value.Element.Data -join '; '
+                                } elseif ($null -eq $Value.Value.Name) {
+                                    # Shouldn't happen but lets see
+                                    Write-Verbose "Tracking $Value"
+                                } else {
+                                    $CreateGPO["$SubName"] = $Value.Value.Name
+                                }
+
+                            } elseif ($Value.State) {
+                                $CreateGPO["$SubName"] = $Value.State
+                            } elseif ($null -eq $Value.Value) {
+                                # This is most likely Setting 'Text
+                                # Do nothing, usually it's just a text to display
+                                #Write-Verbose "Skipping value for display because it's empty. Name: $($Value.Name)"
+                            } else {
+                                # shouldn't happen
+                                Write-Verbose $Value
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+        #}
+    }
+}
+
+<# ListBox - $Value
+Name          : Items to run at logon
+State         : Enabled
+ExplicitValue : false
+Additive      : false
+ValuePrefix   :
+Value         : Value
+
+ListBox - $Value.Value
+
+Element
+-------
+Element
+
+ListBox - $Value.Value.Element
+
+Data
+----
+C:\Program Files (x86)\NetPhone Client\NetPhone Client.exe
+
+#>

Private/ConvertTo-XMLLocalGroups.ps1

@@ -0,0 +1,126 @@
+function ConvertTo-XMLLocalGroups {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        if (-not $GPO.DataSet.Group) {
+            continue
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($Group in $GPO.DataSet.Group) {
+            # We're mostly interested in Members
+            [Array] $Members = foreach ($Member in $Group.Properties.Members.Member) {
+                [ordered] @{
+                    MemberName   = $Member.Name
+                    MemberAction = $Member.Action
+                    MemberSID    = $Member.SID
+                }
+            }
+            # if we have no members we create dummy object to make sure we can use foreach below
+            if ($Members.Count -eq 0) {
+                $Members = @(
+                    [ordered] @{
+                        MemberName   = $null
+                        MemberAction = $null
+                        MemberSID    = $null
+                    }
+                )
+            }
+            foreach ($Member in $Members) {
+                $GroupObject = [ordered]@{
+                    Changed         = [DateTime] $Group.Changed
+                    GPOSettingOrder = $Group.GPOSettingOrder
+                    Name            = $Group.name
+                    Action          = $Script:Actions["$($Group.Properties.action)"]
+                    GroupName       = $Group.Properties.groupName       #: Administrators (built -in )
+                    NewName         = $Group.Properties.newName         #:
+                    Description     = $Group.Properties.description     #:
+                    DeleteAllUsers  = if ($Group.Properties.deleteAllUsers -eq '1') { 'Enabled' } elseif ($Group.Properties.deleteAllUsers -eq '0') { 'Disabled' } else { $Group.Properties.deleteAllUsers };
+                    DeleteAllGroups = if ($Group.Properties.deleteAllGroups -eq '1') { 'Enabled' } elseif ($Group.Properties.deleteAllGroups -eq '0') { 'Disabled' } else { $Group.Properties.deleteAllGroups };
+                    RemoveAccounts  = if ($Group.Properties.removeAccounts -eq '1') { 'Enabled' } elseif ($Group.Properties.removeAccounts -eq '0') { 'Disabled' } else { $Group.Properties.removeAccounts };
+                    GroupSid        = $Group.Properties.groupSid        #: S - 1 - 5 - 32 - 544
+                }
+                $Last = [ordered] @{
+                    #Uid                                   = $Group.uid             #: {8F435B0A-CD15-464E-85F3-B6A55B9E816A}: {8F435B0A-CD15-464E-85F3-B6A55B9E816A}
+                    RunInLoggedOnUserSecurityContext      = if ($Group.userContext -eq '1') { 'Enabled' } elseif ($Group.userContext -eq '0') { 'Disabled' } else { $Group.userContext };
+                    RemoveThisItemWhenItIsNoLongerApplied = if ($Group.removePolicy -eq '1') { 'Enabled' } elseif ($Group.removePolicy -eq '0') { 'Disabled' } else { $Group.removePolicy };
+                    Filters                               = $Group.Filters         #::
+                }
+                # Merging GPO with Member
+                $GroupObject = $GroupObject + $Member + $Last
+                [PSCustomObject] $GroupObject
+            }
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($Group in $GPO.DataSet.Group) {
+            # We're mostly interested in Members
+            [Array] $Members = foreach ($Member in $Group.Properties.Members.Member) {
+                [ordered] @{
+                    MemberName   = $Member.Name
+                    MemberAction = $Member.Action
+                    MemberSID    = $Member.SID
+                }
+            }
+            # if we have no members we create dummy object to make sure we can use foreach below
+            if ($Members.Count -eq 0) {
+                $Members = @(
+                    [ordered] @{
+                        MemberName   = $null
+                        MemberAction = $null
+                        MemberSID    = $null
+                    }
+                )
+            }
+            foreach ($Member in $Members) {
+                $CreateGPO = [ordered]@{
+                    DisplayName     = $GPO.DisplayName
+                    DomainName      = $GPO.DomainName
+                    GUID            = $GPO.GUID
+                    GpoType         = $GPO.GpoType
+                    #GpoCategory          = $GPO.GpoCategory   #: SecuritySettings
+                    #GpoSettings          = $GPO.GpoSettings   #: SecurityOptions
+                    Changed         = [DateTime] $Group.Changed
+                    GPOSettingOrder = $Group.GPOSettingOrder
+                    Name            = $Group.name
+                    Action          = $Script:Actions["$($Group.Properties.action)"]
+                    GroupName       = $Group.Properties.groupName       #: Administrators (built -in )
+                    NewName         = $Group.Properties.newName         #:
+                    Description     = $Group.Properties.description     #:
+                    DeleteAllUsers  = if ($Group.Properties.deleteAllUsers -eq '1') { 'Enabled' } elseif ($Group.Properties.deleteAllUsers -eq '0') { 'Disabled' } else { $Group.Properties.deleteAllUsers };
+                    DeleteAllGroups = if ($Group.Properties.deleteAllGroups -eq '1') { 'Enabled' } elseif ($Group.Properties.deleteAllGroups -eq '0') { 'Disabled' } else { $Group.Properties.deleteAllGroups };
+                    RemoveAccounts  = if ($Group.Properties.removeAccounts -eq '1') { 'Enabled' } elseif ($Group.Properties.removeAccounts -eq '0') { 'Disabled' } else { $Group.Properties.removeAccounts };
+                    GroupSid        = $Group.Properties.groupSid        #: S - 1 - 5 - 32 - 544
+                }
+                $Last = [ordered] @{
+                    # Uid                                   = $Group.uid             #: {8F435B0A-CD15-464E-85F3-B6A55B9E816A}: {8F435B0A-CD15-464E-85F3-B6A55B9E816A}
+                    RunInLoggedOnUserSecurityContext      = if ($Group.userContext -eq '1') { 'Enabled' } elseif ($Group.userContext -eq '0') { 'Disabled' } else { $Group.userContext };
+                    RemoveThisItemWhenItIsNoLongerApplied = if ($Group.removePolicy -eq '1') { 'Enabled' } elseif ($Group.removePolicy -eq '0') { 'Disabled' } else { $Group.removePolicy };
+                    Filters                               = $Group.Filters         #::
+                }
+                # Merging GPO with Member
+                $CreateGPO = $CreateGPO + $Member + $Last
+                $CreateGPO['Linked'] = $GPO.Linked
+                $CreateGPO['LinksCount'] = $GPO.LinksCount
+                $CreateGPO['Links'] = $GPO.Links
+                [PSCustomObject] $CreateGPO
+            }
+        }
+    }
+}

Private/ConvertTo-XMLLocalUser.ps1

@@ -0,0 +1,74 @@
+function ConvertTo-XMLLocalUser {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        if (-not $GPO.DataSet.User) {
+            continue
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($User in $GPO.DataSet.User) {
+            [PSCustomObject] @{
+                Changed                       = [DateTime] $User.Changed
+                GPOSettingOrder               = $User.GPOSettingOrder
+                Action                        = $Script:Actions["$($User.Properties.action)"]
+                UserName                      = $User.Properties.userName
+                NewName                       = $User.Properties.newName
+                FullName                      = $User.Properties.fullName
+                Description                   = $User.Properties.description
+                Password                      = $User.Properties.cpassword
+                MustChangePasswordAtNextLogon = if ($User.Properties.changeLogon -eq '1') { $true } elseif ($User.Properties.changeLogon -eq '0') { $false } else { $User.Properties.changeLogon };
+                CannotChangePassword          = if ($User.Properties.noChange -eq '1') { $true } elseif ($User.Properties.noChange -eq '0') { $false } else { $User.Properties.noChange };
+                PasswordNeverExpires          = if ($User.Properties.neverExpires -eq '1') { $true } elseif ($User.Properties.neverExpires -eq '0') { $false } else { $User.Properties.neverExpires };
+                AccountIsDisabled             = if ($User.Properties.acctDisabled -eq '1') { $true } elseif ($User.Properties.acctDisabled -eq '0') { $false } else { $User.Properties.acctDisabled };
+                AccountExpires                = try { [DateTime] $User.Properties.expires } catch { $User.Properties.expires };
+                SubAuthority                  = $User.Properties.subAuthority
+            }
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($User in $GPO.DataSet.User) {
+            $CreateGPO = [ordered]@{
+                DisplayName                   = $GPO.DisplayName
+                DomainName                    = $GPO.DomainName
+                GUID                          = $GPO.GUID
+                GpoType                       = $GPO.GpoType
+                #GpoCategory      = $GPO.GpoCategory   #: SecuritySettings
+                #GpoSettings      = $GPO.GpoSettings   #: SecurityOptions
+                Changed                       = [DateTime] $User.Changed
+                GPOSettingOrder               = $User.GPOSettingOrder
+                Action                        = $Script:Actions["$($User.Properties.action)"]
+                UserName                      = $User.Properties.userName
+                NewName                       = $User.Properties.newName
+                FullName                      = $User.Properties.fullName
+                Description                   = $User.Properties.description
+                Password                      = $User.Properties.cpassword
+                MustChangePasswordAtNextLogon = if ($User.Properties.changeLogon -eq '1') { $true } elseif ($User.Properties.changeLogon -eq '0') { $false } else { $User.Properties.changeLogon };
+                CannotChangePassword          = if ($User.Properties.noChange -eq '1') { $true } elseif ($User.Properties.noChange -eq '0') { $false } else { $User.Properties.noChange };
+                PasswordNeverExpires          = if ($User.Properties.neverExpires -eq '1') { $true } elseif ($User.Properties.neverExpires -eq '0') { $false } else { $User.Properties.neverExpires };
+                AccountIsDisabled             = if ($User.Properties.acctDisabled -eq '1') { $true } elseif ($User.Properties.acctDisabled -eq '0') { $false } else { $User.Properties.acctDisabled };
+                AccountExpires                = try { [DateTime] $User.Properties.expires } catch { $User.Properties.expires };
+                SubAuthority                  = $User.Properties.subAuthority
+            }
+            $CreateGPO['Linked'] = $GPO.Linked
+            $CreateGPO['LinksCount'] = $GPO.LinksCount
+            $CreateGPO['Links'] = $GPO.Links
+            [PSCustomObject] $CreateGPO
+        }
+    }
+}

Private/ConvertTo-XMLPolicies.ps1

@@ -0,0 +1,61 @@
+function ConvertTo-XMLPolicies {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings        = $null
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($Policy in $GPO.DataSet) {
+            [PSCustomObject] @{
+                PolicyName         = $Policy.Name
+                PolicyState        = $Policy.State
+                PolicyCategory     = $Policy.Category
+                PolicySupported    = $Policy.Supported
+                PolicyExplain      = $Policy.Explain
+                PolicyText         = $Policy.Text
+                PolicyCheckBox     = $Policy.CheckBox
+                PolicyDropDownList = $Policy.DropDownList
+                PolicyEditText     = $Policy.EditText
+            }
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($Policy in $GPO.DataSet) {
+            $CreateGPO = [ordered]@{
+                DisplayName        = $GPO.DisplayName
+                DomainName         = $GPO.DomainName
+                GUID               = $GPO.GUID
+                GpoType            = $GPO.GpoType
+                #GpoCategory = $GPOEntry.GpoCategory
+                #GpoSettings = $GPOEntry.GpoSettings
+                PolicyName         = $Policy.Name
+                PolicyState        = $Policy.State
+                PolicyCategory     = $Policy.Category
+                PolicySupported    = $Policy.Supported
+                PolicyExplain      = $Policy.Explain
+                PolicyText         = $Policy.Text
+                PolicyCheckBox     = $Policy.CheckBox
+                PolicyDropDownList = $Policy.DropDownList
+                PolicyEditText     = $Policy.EditText
+            }
+            $CreateGPO['Linked'] = $GPO.Linked
+            $CreateGPO['LinksCount'] = $GPO.LinksCount
+            $CreateGPO['Links'] = $GPO.Links
+            [PSCustomObject] $CreateGPO
+        }
+    }
+}

Private/ConvertTo-XMLPrinter.ps1

@@ -0,0 +1,51 @@
+function ConvertTo-XMLPrinter {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        [Array] $CreateGPO['Settings'] = @(
+            foreach ($Type in @('SharedPrinter', 'PortPrinter', 'LocalPrinter')) {
+                foreach ($Entry in $GPO.DataSet.$Type) {
+                    if ($Entry) {
+                        ConvertTo-XMLPrinterInternal -GPO $GPO -Entry $Entry -Type $Type -Limited
+                    }
+                }
+            }
+            if ($GPO.GpoCategory -eq 'PrinterConnectionSettings') {
+                foreach ($Entry in $GPO.DataSet) {
+                    ConvertTo-XMLPrinterInternal -GPO $GPO -Entry $Entry -Type 'PrinterConnections' -Limited
+                }
+            }
+        )
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($Type in @('SharedPrinter', 'PortPrinter', 'LocalPrinter')) {
+            foreach ($Entry in $GPO.DataSet.$Type) {
+                if ($Entry) {
+                    ConvertTo-XMLPrinterInternal -GPO $GPO -Entry $Entry -Type $Type
+                }
+            }
+        }
+        if ($GPO.GpoCategory -eq 'PrinterConnectionSettings') {
+            foreach ($Entry in $GPO.DataSet) {
+                ConvertTo-XMLPrinterInternal -GPO $GPO -Entry $Entry -Type 'PrinterConnections'
+            }
+        }
+    }
+}

Private/ConvertTo-XMLPrinterInternal.ps1

@@ -0,0 +1,95 @@
+function ConvertTo-XMLPrinterInternal {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        $Entry,
+        $Type,
+        [switch] $Limited
+    )
+    if ($Limited) {
+        $CreateGPO = [ordered]@{
+            Changed              = try { [DateTime] $Entry.changed } catch { $Entry.Changed };
+            #uid             = $Entry.uid
+            BypassErrors         = if ($Entry.bypassErrors -eq '1') { $true } else { $false };
+            GPOSettingOrder      = $Entry.GPOSettingOrder
+            Filter               = $Entry.Filter
+            type                 = $Type
+            Action               = $null #$Script:Actions["$($Entry.Properties.action)"]
+            Comment              = $Entry.Properties.comment
+            Path                 = if ($Entry.Properties.path) { $Entry.Properties.Path } elseif ($Entry.Path) { $Entry.Path } else { '' }
+            Location             = $Entry.Properties.location
+
+            HostName             = $Entry.Properties.ipAddress     #: 10.42.20.204
+            LocalName            = $Entry.Properties.localName     #: CZ02PRT00017
+            UseDNS               = if ($Entry.Properties.useDNS -eq '1') { $true } elseif ($Entry.Properties.useDNS -eq '0') { $false } else { $Entry.Properties.useDNS };
+            UseIPv6              = if ($Entry.Properties.useIPv6 -eq '1') { $true } elseif ($Entry.Properties.useIPv6 -eq '0') { $false } else { $Entry.Properties.useIPv6 };
+            Default              = if ($Entry.Properties.default -eq '1') { $true } elseif ($Entry.Properties.default -eq '0') { $false } else { $Entry.Properties.default };
+            SkipLocal            = if ($Entry.Properties.skipLocal -eq '1') { $true } elseif ($Entry.Properties.skipLocal -eq '0') { $false } else { $Entry.Properties.skipLocal };
+            DeleteAllShared      = if ($Entry.Properties.deleteAll -eq '1') { $true } elseif ($Entry.Properties.deleteAll -eq '0') { $false } else { $Entry.Properties.deleteAll };
+            Persistent           = if ($Entry.Properties.persistent -eq '1') { $true } elseif ($Entry.Properties.persistent -eq '0') { $false } else { $Entry.Properties.persistent };
+            DeleteMaps           = if ($Entry.Properties.deleteMaps -eq '1') { $true } elseif ($Entry.Properties.deleteMaps -eq '0') { $false } else { $Entry.Properties.deleteMaps };
+            LPRSettingsQueueName = $Entry.Properties.lprQueue      #:
+
+            Protocol             = $Entry.Properties.protocol      #: PROTOCOL_RAWTCP_TYPE
+            PortNumber           = if ($Entry.Properties.portNumber) { $Entry.Properties.portNumber } else { $Entry.Properties.port }
+            DoubleSpool          = if ($Entry.Properties.doubleSpool -eq '1') { $true } elseif ($Entry.Properties.doubleSpool -eq '0') { $false } else { $Entry.Properties.doubleSpool };
+
+            SNMPEnabled          = if ($Entry.Properties.snmpEnabled -eq '1') { $true } elseif ($Entry.Properties.snmpEnabled -eq '0') { $false } else { $Entry.Properties.snmpEnabled };
+            SNMPCommunityName    = $Entry.Properties.snmpCommunity #: public
+            SNMPDeviceIndex      = $Entry.Properties.snmpDevIndex  #: 1
+        }
+        if ($Entry.Properties.Action) {
+            $CreateGPO['Action'] = $Script:Actions["$($Entry.Properties.action)"]
+        } else {
+            $CreateGPO['Action'] = 'Deploy'
+        }
+        [PSCustomObject] $CreateGPO
+    } else {
+        $CreateGPO = [ordered]@{
+            DisplayName          = $GPO.DisplayName
+            DomainName           = $GPO.DomainName
+            GUID                 = $GPO.GUID
+            GpoType              = $GPO.GpoType
+            GpoCategory          = $GPO.GpoCategory
+            GpoSettings          = $GPO.GpoSettings
+            Changed              = try { [DateTime] $Entry.changed } catch { $Entry.Changed };
+            #uid             = $Entry.uid
+            BypassErrors         = if ($Entry.bypassErrors -eq '1') { $true } else { $false };
+            GPOSettingOrder      = $Entry.GPOSettingOrder
+            Filter               = $Entry.Filter
+            type                 = $Type
+            Action               = $null #$Script:Actions["$($Entry.Properties.action)"]
+            Comment              = $Entry.Properties.comment
+            Path                 = if ($Entry.Properties.path) { $Entry.Properties.Path } elseif ($Entry.Path) { $Entry.Path } else { '' }
+            Location             = $Entry.Properties.location
+
+            HostName             = $Entry.Properties.ipAddress     #: 10.42.20.204
+            LocalName            = $Entry.Properties.localName     #: CZ02PRT00017
+            UseDNS               = if ($Entry.Properties.useDNS -eq '1') { $true } elseif ($Entry.Properties.useDNS -eq '0') { $false } else { $Entry.Properties.useDNS };
+            UseIPv6              = if ($Entry.Properties.useIPv6 -eq '1') { $true } elseif ($Entry.Properties.useIPv6 -eq '0') { $false } else { $Entry.Properties.useIPv6 };
+            Default              = if ($Entry.Properties.default -eq '1') { $true } elseif ($Entry.Properties.default -eq '0') { $false } else { $Entry.Properties.default };
+            SkipLocal            = if ($Entry.Properties.skipLocal -eq '1') { $true } elseif ($Entry.Properties.skipLocal -eq '0') { $false } else { $Entry.Properties.skipLocal };
+            DeleteAllShared      = if ($Entry.Properties.deleteAll -eq '1') { $true } elseif ($Entry.Properties.deleteAll -eq '0') { $false } else { $Entry.Properties.deleteAll };
+            Persistent           = if ($Entry.Properties.persistent -eq '1') { $true } elseif ($Entry.Properties.persistent -eq '0') { $false } else { $Entry.Properties.persistent };
+            DeleteMaps           = if ($Entry.Properties.deleteMaps -eq '1') { $true } elseif ($Entry.Properties.deleteMaps -eq '0') { $false } else { $Entry.Properties.deleteMaps };
+            LPRSettingsQueueName = $Entry.Properties.lprQueue      #:
+
+            Protocol             = $Entry.Properties.protocol      #: PROTOCOL_RAWTCP_TYPE
+            PortNumber           = if ($Entry.Properties.portNumber) { $Entry.Properties.portNumber } else { $Entry.Properties.port }
+            DoubleSpool          = if ($Entry.Properties.doubleSpool -eq '1') { $true } elseif ($Entry.Properties.doubleSpool -eq '0') { $false } else { $Entry.Properties.doubleSpool };
+
+            SNMPEnabled          = if ($Entry.Properties.snmpEnabled -eq '1') { $true } elseif ($Entry.Properties.snmpEnabled -eq '0') { $false } else { $Entry.Properties.snmpEnabled };
+            SNMPCommunityName    = $Entry.Properties.snmpCommunity #: public
+            SNMPDeviceIndex      = $Entry.Properties.snmpDevIndex  #: 1
+        }
+        if ($Entry.Properties.Action) {
+            $CreateGPO['Action'] = $Script:Actions["$($Entry.Properties.action)"]
+        } else {
+            $CreateGPO['Action'] = 'Deploy'
+        }
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    }
+}

Private/ConvertTo-XMLRegistryAutologon.ps1

@@ -0,0 +1,49 @@
+function ConvertTo-XMLRegistryAutologon {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO
+    )
+    $CreateGPO = [ordered]@{
+        DisplayName                  = $GPO.DisplayName
+        DomainName                   = $GPO.DomainName
+        GUID                         = $GPO.GUID
+        GpoType                      = $GPO.GpoType
+        #GpoCategory = $GPOEntry.GpoCategory
+        #GpoSettings = $GPOEntry.GpoSettings
+        AutoAdminLogon               = $null
+        DefaultDomainName            = $null
+        DefaultUserName              = $null
+        DefaultPassword              = $null
+        DateChangedAutoAdminLogon    = $null
+        DateChangedDefaultDomainName = $null
+        DateChangedDefaultUserName   = $null
+        DateChangedDefaultPassword   = $null
+    }
+    foreach ($Registry in $GPO.DataSet.Registry) {
+        if ($Registry.Properties.Key -eq 'SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon') {
+            if ($Registry.Properties.Name -eq 'AutoAdminLogon') {
+                $CreateGPO['AutoAdminLogon'] = [bool] $Registry.Properties.value
+                $CreateGPO['DateChangedAutoAdminLogon'] = [DateTime] $Registry.changed
+            } elseif ($Registry.Properties.Name -eq 'DefaultDomainName') {
+                $CreateGPO['DefaultDomainName'] = $Registry.Properties.value
+                $CreateGPO['DateChangedDefaultDomainName'] = [DateTime] $Registry.changed
+            } elseif ($Registry.Properties.Name -eq 'DefaultUserName') {
+                $CreateGPO['DefaultUserName'] = $Registry.Properties.value
+                $CreateGPO['DateChangedDefaultUserName'] = [DateTime] $Registry.changed
+            } elseif ($Registry.Properties.Name -eq 'DefaultPassword') {
+                $CreateGPO['DefaultPassword'] = $Registry.Properties.value
+                $CreateGPO['DateChangedDefaultPassword'] = [DateTime] $Registry.changed
+            }
+        }
+    }
+    if ($null -ne $CreateGPO['AutoAdminLogon'] -or
+        $null -ne $CreateGPO['DefaultDomainName'] -or
+        $null -ne $CreateGPO['DefaultUserName'] -or
+        $null -ne $CreateGPO['DefaultPassword']
+    ) {
+        $CreateGPO['Linked'] = $GPOEntry.Linked
+        $CreateGPO['LinksCount'] = $GPOEntry.LinksCount
+        $CreateGPO['Links'] = $GPOEntry.Links
+        [PSCustomObject] $CreateGPO
+    }
+}

Private/ConvertTo-XMLRegistryAutologonOnReport.ps1

@@ -0,0 +1,49 @@
+function ConvertTo-XMLRegistryAutologonOnReport {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO
+    )
+    $CreateGPO = [ordered]@{
+        DisplayName                  = $GPO.DisplayName
+        DomainName                   = $GPO.DomainName
+        GUID                         = $GPO.GUID
+        GpoType                      = $GPO.GpoType
+        #GpoCategory = $GPOEntry.GpoCategory
+        #GpoSettings = $GPOEntry.GpoSettings
+        AutoAdminLogon               = $null
+        DefaultDomainName            = $null
+        DefaultUserName              = $null
+        DefaultPassword              = $null
+        DateChangedAutoAdminLogon    = $null
+        DateChangedDefaultDomainName = $null
+        DateChangedDefaultUserName   = $null
+        DateChangedDefaultPassword   = $null
+    }
+    foreach ($Registry in $GPO.Settings) {
+        if ($Registry.Key -eq 'SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon') {
+            if ($Registry.Name -eq 'AutoAdminLogon') {
+                $CreateGPO['AutoAdminLogon'] = [bool] $Registry.value
+                $CreateGPO['DateChangedAutoAdminLogon'] = [DateTime] $Registry.changed
+            } elseif ($Registry.Name -eq 'DefaultDomainName') {
+                $CreateGPO['DefaultDomainName'] = $Registry.value
+                $CreateGPO['DateChangedDefaultDomainName'] = [DateTime] $Registry.changed
+            } elseif ($Registry.Name -eq 'DefaultUserName') {
+                $CreateGPO['DefaultUserName'] = $Registry.value
+                $CreateGPO['DateChangedDefaultUserName'] = [DateTime] $Registry.changed
+            } elseif ($Registry.Name -eq 'DefaultPassword') {
+                $CreateGPO['DefaultPassword'] = $Registry.value
+                $CreateGPO['DateChangedDefaultPassword'] = [DateTime] $Registry.changed
+            }
+        }
+    }
+    if ($null -ne $CreateGPO['AutoAdminLogon'] -or
+        $null -ne $CreateGPO['DefaultDomainName'] -or
+        $null -ne $CreateGPO['DefaultUserName'] -or
+        $null -ne $CreateGPO['DefaultPassword']
+    ) {
+        $CreateGPO['Linked'] = $GPOEntry.Linked        #: True
+        $CreateGPO['LinksCount'] = $GPOEntry.LinksCount    #: 1
+        $CreateGPO['Links'] = $GPOEntry.Links         #: area1.local
+        [PSCustomObject] $CreateGPO
+    }
+}

Private/ConvertTo-XMLRegistrySettings.ps1

@@ -0,0 +1,28 @@
+function ConvertTo-XMLRegistrySettings {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+
+        [Array] $CreateGPO['Settings'] = Get-XMLNestedRegistry -GPO $GPO -DataSet $GPO.DataSet
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        Get-XMLNestedRegistry -GPO $GPO -DataSet $GPO.DataSet
+    }
+}

Private/ConvertTo-XMLScripts.ps1

@@ -0,0 +1,53 @@
+function ConvertTo-XMLScripts {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings        = $null
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($Script in $GPO.DataSet) {
+            [PSCustomObject] @{
+                Type       = $GPO.DataSet.Type
+                Command    = $GPO.DataSet.Command
+                Parameters = $GPO.DataSet.Parameters
+                Order      = $GPO.DataSet.Order
+                RunOrder   = $GPO.DataSet.RunOrder
+            }
+        }
+        $CreateGPO['DataCount'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($Script in $GPO.DataSet) {
+            $CreateGPO = [ordered]@{
+                DisplayName = $GPO.DisplayName
+                DomainName  = $GPO.DomainName
+                GUID        = $GPO.GUID
+                GpoType     = $GPO.GpoType
+                #GpoCategory = $GPOEntry.GpoCategory
+                #GpoSettings = $GPOEntry.GpoSettings
+                Type        = $Script.Type
+                Command     = $Script.Command
+                Parameters  = $Script.Parameters
+                Order       = $Script.Order
+                RunOrder    = $Script.RunOrder
+            }
+            $CreateGPO['Linked'] = $GPO.Linked
+            $CreateGPO['LinksCount'] = $GPO.LinksCount
+            $CreateGPO['Links'] = $GPO.Links
+            [PSCustomObject] $CreateGPO
+        }
+    }
+}

Private/ConvertTo-XMLSecurityOptions.ps1

@@ -0,0 +1,65 @@
+function ConvertTo-XMLSecurityOptions {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($Entry in $GPO.DataSet) {
+            $Object = [ordered] @{}
+            $Object['KeyName'] = $Entry.KeyName
+            $Object['KeyDisplayName'] = $Entry.Display.Name
+            $Object['KeyDisplayUnits'] = $Entry.Display.Units
+            $Object['KeyDisplayBoolean'] = try { [bool]::Parse($Entry.Display.DisplayBoolean) } catch { $null };
+            $Object['KeyDisplayString'] = $Entry.Display.DisplayString
+            $Object['SystemAccessPolicyName'] = $Entry.SystemAccessPolicyName
+            if ($Entry.SettingString) {
+                $Object['KeyValue'] = $Entry.SettingString
+            } else {
+                $Object['KeyValue'] = $Entry.SettingNumber
+            }
+            [PSCustomObject] $Object
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($Entry in $GPO.DataSet) {
+            $CreateGPO = [ordered]@{
+                DisplayName = $GPO.DisplayName
+                DomainName  = $GPO.DomainName
+                GUID        = $GPO.GUID
+                GpoType     = $GPO.GpoType
+                #GpoCategory = $GPOEntry.GpoCategory
+                #GpoSettings = $GPOEntry.GpoSettings
+            }
+            $CreateGPO['KeyName'] = $Entry.KeyName
+            $CreateGPO['KeyDisplayName'] = $Entry.Display.Name
+            $CreateGPO['KeyDisplayUnits'] = $Entry.Display.Units
+            $CreateGPO['KeyDisplayBoolean'] = try { [bool]::Parse($Entry.Display.DisplayBoolean) } catch { $null };
+            $CreateGPO['KeyDisplayString'] = $Entry.Display.DisplayString
+            $CreateGPO['SystemAccessPolicyName'] = $Entry.SystemAccessPolicyName
+            if ($Entry.SettingString) {
+                $CreateGPO['KeyValue'] = $Entry.SettingString
+            } else {
+                $CreateGPO['KeyValue'] = $Entry.SettingNumber
+            }
+            $CreateGPO['Linked'] = $GPO.Linked
+            $CreateGPO['LinksCount'] = $GPO.LinksCount
+            $CreateGPO['Links'] = $GPO.Links
+            [PSCustomObject] $CreateGPO
+        }
+    }
+}

Private/ConvertTo-XMLSoftwareInstallation.ps1

@@ -0,0 +1,87 @@
+function ConvertTo-XMLSoftwareInstallation {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($MsiInstallerr in $GPO.DataSet) {
+            [PSCustomObject] @{
+                Identifier          = $MsiInstallerr.Identifier          #: { 10495e9e-79c1-4a32-b278-a24cd495437f }
+                Name                = $MsiInstallerr.Name                #: Local Administrator Password Solution (2)
+                Path                = $MsiInstallerr.Path                #: \\area1.local\SYSVOL\area1.local\Policies\ { 5F5042A0-008F-45E3-8657-79C87BD002E3 }\LAPS.x64.msi
+                MajorVersion        = $MsiInstallerr.MajorVersion        #: 6
+                MinorVersion        = $MsiInstallerr.MinorVersion        #: 2
+                LanguageId          = $MsiInstallerr.LanguageId          #: 1033
+                Architecture        = $MsiInstallerr.Architecture        #: 9
+                IgnoreLanguage      = if ($MsiInstallerr.IgnoreLanguage -eq 'true') { $true } else { $false }      #: false
+                Allowx86Onia64      = if ($MsiInstallerr.Allowx86Onia64 -eq 'true') { $true } else { $false }       #: true
+                SupportURL          = $MsiInstallerr.SupportURL          #:
+                AutoInstall         = if ($MsiInstallerr.AutoInstall -eq 'true') { $true } else { $false }          #: true
+                DisplayInARP        = if ($MsiInstallerr.DisplayInARP -eq 'true') { $true } else { $false }        #: true
+                IncludeCOM          = if ($MsiInstallerr.IncludeCOM -eq 'true') { $true } else { $false }          #: true
+                SecurityDescriptor  = $MsiInstallerr.SecurityDescriptor  #: SecurityDescriptor
+                DeploymentType      = $MsiInstallerr.DeploymentType      #: Assign
+                ProductId           = $MsiInstallerr.ProductId           #: { ea8cb806-c109 - 4700 - 96b4-f1f268e5036c }
+                ScriptPath          = $MsiInstallerr.ScriptPath          #: \\area1.local\SysVol\area1.local\Policies\ { 5F5042A0-008F-45E3-8657-79C87BD002E3 }\Machine\Applications\ { EAC9B821-FB4D - 457A-806F-E5B528D1E41A }.aas
+                DeploymentCount     = $MsiInstallerr.DeploymentCount     #: 0
+                InstallationUILevel = $MsiInstallerr.InstallationUILevel #: Maximum
+                Upgrades            = if ($MsiInstallerr.Upgrades.Mandatory -eq 'true') { $true } else { $false }            #: Upgrades
+                UninstallUnmanaged  = if ($MsiInstallerr.UninstallUnmanaged -eq 'true') { $true } else { $false }   #: false
+                LossOfScopeAction   = $MsiInstallerr.LossOfScopeAction   #: Unmanage
+            }
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($MsiInstallerr in $GPO.DataSet) {
+            $CreateGPO = [ordered]@{
+                DisplayName         = $GPO.DisplayName
+                DomainName          = $GPO.DomainName
+                GUID                = $GPO.GUID
+                GpoType             = $GPO.GpoType
+                #GpoCategory = $GPOEntry.GpoCategory
+                #GpoSettings = $GPOEntry.GpoSettings
+                Identifier          = $MsiInstallerr.Identifier          #: { 10495e9e-79c1-4a32-b278-a24cd495437f }
+                Name                = $MsiInstallerr.Name                #: Local Administrator Password Solution (2)
+                Path                = $MsiInstallerr.Path                #: \\area1.local\SYSVOL\area1.local\Policies\ { 5F5042A0-008F-45E3-8657-79C87BD002E3 }\LAPS.x64.msi
+                MajorVersion        = $MsiInstallerr.MajorVersion        #: 6
+                MinorVersion        = $MsiInstallerr.MinorVersion        #: 2
+                LanguageId          = $MsiInstallerr.LanguageId          #: 1033
+                Architecture        = $MsiInstallerr.Architecture        #: 9
+                IgnoreLanguage      = if ($MsiInstallerr.IgnoreLanguage -eq 'true') { $true } else { $false }      #: false
+                Allowx86Onia64      = if ($MsiInstallerr.Allowx86Onia64 -eq 'true') { $true } else { $false }       #: true
+                SupportURL          = $MsiInstallerr.SupportURL          #:
+                AutoInstall         = if ($MsiInstallerr.AutoInstall -eq 'true') { $true } else { $false }          #: true
+                DisplayInARP        = if ($MsiInstallerr.DisplayInARP -eq 'true') { $true } else { $false }        #: true
+                IncludeCOM          = if ($MsiInstallerr.IncludeCOM -eq 'true') { $true } else { $false }          #: true
+                SecurityDescriptor  = $MsiInstallerr.SecurityDescriptor  #: SecurityDescriptor
+                DeploymentType      = $MsiInstallerr.DeploymentType      #: Assign
+                ProductId           = $MsiInstallerr.ProductId           #: { ea8cb806-c109 - 4700 - 96b4-f1f268e5036c }
+                ScriptPath          = $MsiInstallerr.ScriptPath          #: \\area1.local\SysVol\area1.local\Policies\ { 5F5042A0-008F-45E3-8657-79C87BD002E3 }\Machine\Applications\ { EAC9B821-FB4D - 457A-806F-E5B528D1E41A }.aas
+                DeploymentCount     = $MsiInstallerr.DeploymentCount     #: 0
+                InstallationUILevel = $MsiInstallerr.InstallationUILevel #: Maximum
+                Upgrades            = if ($MsiInstallerr.Upgrades.Mandatory -eq 'true') { $true } else { $false }            #: Upgrades
+                UninstallUnmanaged  = if ($MsiInstallerr.UninstallUnmanaged -eq 'true') { $true } else { $false }   #: false
+                LossOfScopeAction   = $MsiInstallerr.LossOfScopeAction   #: Unmanage
+            }
+            $CreateGPO['Linked'] = $GPO.Linked
+            $CreateGPO['LinksCount'] = $GPO.LinksCount
+            $CreateGPO['Links'] = $GPO.Links
+            [PSCustomObject] $CreateGPO
+        }
+    }
+}

Private/ConvertTo-XMLSystemServices.ps1

@@ -0,0 +1,53 @@
+function ConvertTo-XMLSystemServices {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($GPOEntry in $GPO.DataSet) {
+            [PSCustomObject] @{
+                ServiceName                = $GPOEntry.Name
+                ServiceStartUpMode         = $GPOEntry.StartUpMode
+                SecurityAuditingPresent    = try { [bool]::Parse($GPOEntry.SecurityDescriptor.AuditingPresent.'#text') } catch { $null };
+                SecurityPermissionsPresent = try { [bool]::Parse($GPOEntry.SecurityDescriptor.PermissionsPresent.'#text') } catch { $null };
+                SecurityDescriptor         = $GPOEntry.SecurityDescriptor
+            }
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($GPOEntry in $GPO.DataSet) {
+            $CreateGPO = [ordered]@{
+                DisplayName                = $GPO.DisplayName
+                DomainName                 = $GPO.DomainName
+                GUID                       = $GPO.GUID
+                GpoType                    = $GPO.GpoType
+                #GpoCategory = $GPOEntry.GpoCategory
+                #GpoSettings = $GPOEntry.GpoSettings
+                ServiceName                = $GPOEntry.Name
+                ServiceStartUpMode         = $GPOEntry.StartUpMode
+                SecurityAuditingPresent    = try { [bool]::Parse($GPOEntry.SecurityDescriptor.AuditingPresent.'#text') } catch { $null };
+                SecurityPermissionsPresent = try { [bool]::Parse($GPOEntry.SecurityDescriptor.PermissionsPresent.'#text') } catch { $null };
+                SecurityDescriptor         = $GPOEntry.SecurityDescriptor
+            }
+            $CreateGPO['Linked'] = $GPO.Linked
+            $CreateGPO['LinksCount'] = $GPO.LinksCount
+            $CreateGPO['Links'] = $GPO.Links
+            [PSCustomObject] $CreateGPO
+        }
+    }
+}

Private/ConvertTo-XMLSystemServicesNT.ps1

@@ -0,0 +1,106 @@
+function ConvertTo-XMLSystemServicesNT {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($Service in $GPO.DataSet.NTService) {
+            [PSCustomObject] @{
+                GPOSettingOrder                      = $Service.GPOSettingOrder
+                #ServiceName          = $Service.Name
+                ServiceName                          = $Service.Properties.serviceName          #: AppIDSvc: AppIDSvc
+                ServiceStartupType                   = $Service.Properties.startupType          #: NOCHANGE: NOCHANGE
+                ServiceAction                        = $Service.Properties.serviceAction        #: START: START
+                Timeout                              = $Service.Properties.timeout              #: 50: 50
+                FirstFailure                         = $Service.Properties.firstFailure         #: REBOOT: REBOOT
+                SecondFailure                        = $Service.Properties.secondFailure        #: REBOOT: REBOOT
+                ThirdFailure                         = $Service.Properties.thirdFailure         #: REBOOT: REBOOT
+                ResetFailCountDelay                  = $Service.Properties.resetFailCountDelay  #: 0: 0
+                RestartComputerDelay                 = $Service.Properties.restartComputerDelay #: 60000: 60000
+                Filter                               = $Service.Filter
+                AccountName                          = $Service.Properties.accountName
+                AllowServiceToInteractWithTheDesktop = if ($Service.Properties.interact -eq 1) { 'Yes' } elseif ($Service.Properties.interact -eq 0) { 'No' } else { $null }
+                RunThisProgram                       = $Service.Properties.program
+                CommandLineParameters                = $Service.Properties.args
+                AppendFailCountToEndOfCommandLine    = if ($Service.Properties.append -eq 1) { 'Yes' } elseif ($Service.Properties.append -eq 0) { 'No' } else { $null }
+            }
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($Service in $GPO.DataSet.NTService) {
+            $CreateGPO = [ordered]@{
+                DisplayName                          = $GPO.DisplayName
+                DomainName                           = $GPO.DomainName
+                GUID                                 = $GPO.GUID
+                GpoType                              = $GPO.GpoType
+                #GpoCategory = $GPOEntry.GpoCategory
+                #GpoSettings = $GPOEntry.GpoSettings
+                GPOSettingOrder                      = $Service.GPOSettingOrder
+                #ServiceName          = $Service.Name
+                ServiceName                          = $Service.Properties.serviceName          #: AppIDSvc: AppIDSvc
+                ServiceStartupType                   = $Service.Properties.startupType          #: NOCHANGE: NOCHANGE
+                ServiceAction                        = $Service.Properties.serviceAction        #: START: START
+                Timeout                              = $Service.Properties.timeout              #: 50: 50
+                FirstFailure                         = $Service.Properties.firstFailure         #: REBOOT: REBOOT
+                SecondFailure                        = $Service.Properties.secondFailure        #: REBOOT: REBOOT
+                ThirdFailure                         = $Service.Properties.thirdFailure         #: REBOOT: REBOOT
+                ResetFailCountDelay                  = $Service.Properties.resetFailCountDelay  #: 0: 0
+                RestartComputerDelay                 = $Service.Properties.restartComputerDelay #: 60000: 60000
+                Filter                               = $Service.Filter
+                AccountName                          = $Service.Properties.accountName
+                AllowServiceToInteractWithTheDesktop = if ($Service.Properties.interact -eq 1) { 'Yes' } elseif ($Service.Properties.interact -eq 0) { 'No' } else { $null }
+                RunThisProgram                       = $Service.Properties.program
+                CommandLineParameters                = $Service.Properties.args
+                AppendFailCountToEndOfCommandLine    = if ($Service.Properties.append -eq 1) { 'Yes' } elseif ($Service.Properties.append -eq 0) { 'No' } else { $null }
+                <#$
+
+                startupType         : NOCHANGE
+                serviceName         : AudioEndpointBuilder
+                timeout             : 30
+                accountName         : LocalSystem
+                interact            : 1
+                thirdFailure        : RUNCMD
+                resetFailCountDelay : 0
+                program             : fgdfg
+                args                : dg
+                append              : 1
+
+                Service name AudioEndpointBuilder
+                Action No change
+                Startup type: No change
+                Wait timeout if service is locked: 30 seconds
+                Service AccountLog on service as: LocalSystem
+                Allow service to interact with the desktop: Yes
+
+                First failure: No change
+                Second failure: No change
+                Subsequent failures: Run a program
+                Reset fail count after: 0 days
+                Run this program: fgdfg
+                Command line parameters: dg
+                Append fail count to end of command line: Yes
+
+                #>
+            }
+            $CreateGPO['Linked'] = $GPO.Linked
+            $CreateGPO['LinksCount'] = $GPO.LinksCount
+            $CreateGPO['Links'] = $GPO.Links
+            [PSCustomObject] $CreateGPO
+        }
+    }
+}

Private/ConvertTo-XMLTaskScheduler.ps1

@@ -0,0 +1,243 @@
+function ConvertTo-XMLTaskScheduler {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [switch] $SingleObject
+    )
+    if ($SingleObject) {
+        $CreateGPO = [ordered]@{
+            DisplayName = $GPO.DisplayName
+            DomainName  = $GPO.DomainName
+            GUID        = $GPO.GUID
+            GpoType     = $GPO.GpoType
+            #GpoCategory = $GPOEntry.GpoCategory
+            #GpoSettings = $GPOEntry.GpoSettings
+            Count       = 0
+            Settings    = $null
+        }
+        [Array] $CreateGPO['Settings'] = foreach ($Entry in $GPO.DataSet.Drive) {
+            [PSCustomObject] @{
+                Changed         = [DateTime] $Entry.changed
+                #uid             = $Entry.uid
+                GPOSettingOrder = $Entry.GPOSettingOrder
+                Filter          = $Entry.Filter
+
+                Name            = $Entry.Name
+                Action          = $Script:Actions["$($Entry.Properties.action)"]
+                ThisDrive       = $Entry.Properties.thisDrive
+                AllDrives       = $Entry.Properties.allDrives
+                UserName        = $Entry.Properties.userName
+                Path            = $Entry.Properties.path
+                Label           = $Entry.Properties.label
+                Persistent      = if ($Entry.Properties.persistent -eq '1') { $true } elseif ($Entry.Properties.persistent -eq '0') { $false } else { $Entry.Properties.persistent };
+                UseLetter       = if ($Entry.Properties.useLetter -eq '1') { $true } elseif ($Entry.Properties.useLetter -eq '0') { $false } else { $Entry.Properties.useLetter };
+                Letter          = $Entry.Properties.letter
+            }
+        }
+        $CreateGPO['Count'] = $CreateGPO['Settings'].Count
+        $CreateGPO['Linked'] = $GPO.Linked
+        $CreateGPO['LinksCount'] = $GPO.LinksCount
+        $CreateGPO['Links'] = $GPO.Links
+        [PSCustomObject] $CreateGPO
+    } else {
+        foreach ($Type in @('TaskV2', 'Task', 'ImmediateTaskV2', 'ImmediateTask')) {
+            foreach ($Entry in $GPO.DataSet.$Type) {
+                $ListActions = foreach ($LoopAction in $Entry.Properties.Task.Actions) {
+
+                    foreach ($InternalAction in $LoopAction.Exec) {
+                        $Action = [ordered] @{
+                            ActionType       = 'Execute'
+                            Command          = $InternalAction.Command         # : cmd
+                            Arguments        = $InternalAction.Arguments       # : / c wevtutil qe security / rd:true / f:text / c:1 / q:"*[System[Provider[@Name='Microsoft-Windows-Security-Auditing'] and (EventID=4727 or EventID=4759 or EventID=4754 or EventID=4731)]]" >group-creation.txt
+                            WorkingDirectory = $InternalAction.WorkingDirectory# : % windir % \temp
+                            Server           = $Null
+                            Subject          = $Null
+                            To               = $Null
+                            From             = $Null
+                            Body             = $Null
+                            Attachments      = $Null
+                        }
+                        $Action
+                    }
+                    foreach ($InternalAction in $LoopAction.SendEmail) {
+                        $Action = [ordered] @{
+                            ActionType       = 'SendEmail'
+                            Command          = $null
+                            Arguments        = $null      # : / c wevtutil qe security / rd:true / f:text / c:1 / q:"*[System[Provider[@Name='Microsoft-Windows-Security-Auditing'] and (EventID=4727 or EventID=4759 or EventID=4754 or EventID=4731)]]" >group-creation.txt
+                            WorkingDirectory = $null # : % windir % \temp
+                            Server           = $InternalAction.Server     # : smtp-de
+                            Subject          = $InternalAction.Subject    # : AD Group creation
+                            To               = $InternalAction.To         # : gm6b@eurofins.de,RalphThomasAussem@eurofins.de,karlthomaseggert@eurofins.de
+                            From             = $InternalAction.From       # : %computername%@eurofins.local
+                            Body             = $InternalAction.Body       # : A new security group has been created. Check attachment for further details.
+                            Attachments      = $InternalAction.Attachments.File -join '; ' # : Attachments
+                        }
+                        $Action
+                    }
+                }
+
+
+                <#
+                [DBG]: PS C:\Support\GitHub\GpoZaurr> $Entry.Properties.Task.Triggers.EventTrigger
+
+                Enabled Subscription
+                ------- ------------
+                true    <QueryList><Query Id="0" Path="Security"><Select Path="Security">*[System[Provider[@Name='Microsoft-Windows-Security-Auditing'] and EventID=4727]]</Select></Query></QueryList>
+                true    <QueryList><Query Id="0" Path="Security"><Select Path="Security">*[System[Provider[@Name='Microsoft-Windows-Security-Auditing'] and EventID=4731]]</Select></Query></QueryList>
+                true    <QueryList><Query Id="0" Path="Security"><Select Path="Security">*[System[Provider[@Name='Microsoft-Windows-Security-Auditing'] and EventID=4754]]</Select></Query></QueryList>
+                false   <QueryList><Query Id="0" Path="Security"><Select Path="Security">*[System[Provider[@Name='Microsoft-Windows-Security-Auditing'] and EventID=4759]]</Select></Query></QueryList>
+                #>
+                if ($ListActions.Count -eq 0) {
+                    $ListActions = @(
+
+                        if ($Entry.Properties.appName) {
+                            # This supports Scheduled Task (legacy)
+                            $Action = [ordered] @{
+                                ActionType       = $Script:Actions["$($Entry.Properties.action)"]
+                                Command          = $Entry.Properties.appName
+                                Arguments        = $Entry.Properties.args  #
+                                WorkingDirectory = $Entry.Properties.startIn  # : % windir % \temp
+                                Server           = $null     # : smtp-de
+                                Subject          = $null    # : AD Group creation
+                                To               = $null
+                                From             = $null
+                                Body             = $null
+                                Attachments      = $null
+                            }
+                            $Action
+                        } else {
+
+                            $Action = [ordered] @{
+                                ActionType       = $Script:Actions["$($Entry.Properties.action)"]
+                                Command          = $null
+                                Arguments        = $null      #
+                                WorkingDirectory = $null # : % windir % \temp
+                                Server           = $null     # : smtp-de
+                                Subject          = $null    # : AD Group creation
+                                To               = $null
+                                From             = $null
+                                Body             = $null
+                                Attachments      = $null
+                            }
+                            $Action
+                        }
+                    )
+                }
+                foreach ($Action in $ListActions) {
+                    $CreateGPO = [ordered]@{
+                        DisplayName     = $GPO.DisplayName
+                        DomainName      = $GPO.DomainName
+                        GUID            = $GPO.GUID
+                        GpoType         = $GPO.GpoType
+                        #GpoCategory = $GPOEntry.GpoCategory
+                        #GpoSettings = $GPOEntry.GpoSettings
+                        Type            = $Type
+                        Changed         = [DateTime] $Entry.changed
+                        GPOSettingOrder = $Entry.GPOSettingOrder
+                        userContext     = ''
+
+                        Name            = $Entry.Name
+                        Status          = $Entry.status
+                        Action          = $Script:Actions["$($Entry.Properties.action)"]
+
+
+                        runAs           = $Entry.Properties.runAs     #: NT AUTHORITY\System
+                        #logonType                   = $Entry.Properties.logonType #: InteractiveToken
+                        #Task = $Entry.Properties.Task      #: Task
+
+                        Comment         = $Entry.Properties.comment
+                    }
+                    if ($Entry.Properties.startOnlyIfIdle) {
+                        # Old legacy task
+                        $Middle = [ordered] @{
+                            AllowStartOnDemand          = $null        #: true
+                            DisallowStartIfOnBatteries  = $Entry.Properties.noStartIfOnBatteries #: false
+                            StopIfGoingOnBatteries      = $Entry.Properties.stopIfGoingOnBatteries     #: false
+                            AllowHardTerminate          = $null       #: true
+                            Enabled                     = $Entry.Properties.enabled               #: true
+                            Hidden                      = $null                   #: false
+                            MultipleInstancesPolicy     = $null    #: IgnoreNew
+                            Priority                    = $null                   #: 7
+                            ExecutionTimeLimit          = $null         #: PT1H
+                            #IdleSettings                = $Entry.Properties.Task.Settings.IdleSettings               #: IdleSettings
+
+                            IdleDuration                = $Entry.Properties.deadlineMinutes      # : PT5M
+                            IdleWaitTimeout             = $null   # : PT1H
+                            IdleStopOnIdleEnd           = $Entry.Properties.stopOnIdleEnd # : false
+                            IdleRestartOnIdle           = $Entry.Properties.startOnlyIfIdle # : false
+
+                            RegistrationInfoAuthor      = $null
+                            RegistrationInfoDescription = $null
+                            deleteWhenDone              = $Entry.Properties.deleteWhenDone
+
+                            <#
+                            action                 : U
+                            name                   : Task Name
+                            appName                : Run command
+                            args                   : args for command
+                            startIn                : start me in
+                            comment                : Oops i did it again
+                            enabled                : 1
+                            deleteWhenDone         : 1
+                            maxRunTime             : 259200000
+                            startOnlyIfIdle        : 1
+                            idleMinutes            : 10
+                            deadlineMinutes        : 60
+                            stopOnIdleEnd          : 1
+                            noStartIfOnBatteries   : 1
+                            stopIfGoingOnBatteries : 1
+                            systemRequired         : 0
+                            Triggers               : Triggers
+                            #>
+                        }
+                    } else {
+                        $Middle = [ordered] @{
+                            AllowStartOnDemand          = $Entry.Properties.Task.Settings.AllowStartOnDemand         #: true
+                            DisallowStartIfOnBatteries  = $Entry.Properties.Task.Settings.DisallowStartIfOnBatteries #: false
+                            StopIfGoingOnBatteries      = $Entry.Properties.Task.Settings.StopIfGoingOnBatteries     #: false
+                            AllowHardTerminate          = $Entry.Properties.Task.Settings.AllowHardTerminate         #: true
+                            Enabled                     = $Entry.Properties.Task.Settings.Enabled                    #: true
+                            Hidden                      = $Entry.Properties.Task.Settings.Hidden                     #: false
+                            MultipleInstancesPolicy     = $Entry.Properties.Task.Settings.MultipleInstancesPolicy    #: IgnoreNew
+                            Priority                    = $Entry.Properties.Task.Settings.Priority                   #: 7
+                            ExecutionTimeLimit          = $Entry.Properties.Task.Settings.ExecutionTimeLimit         #: PT1H
+                            #IdleSettings                = $Entry.Properties.Task.Settings.IdleSettings               #: IdleSettings
+
+                            IdleDuration                = $Entry.Properties.Task.Settings.IdleSettings.Duration      # : PT5M
+                            IdleWaitTimeout             = $Entry.Properties.Task.Settings.IdleSettings.WaitTimeout   # : PT1H
+                            IdleStopOnIdleEnd           = $Entry.Properties.Task.Settings.IdleSettings.StopOnIdleEnd # : false
+                            IdleRestartOnIdle           = $Entry.Properties.Task.Settings.IdleSettings.RestartOnIdle # : false
+
+                            RegistrationInfoAuthor      = $Entry.Properties.Task.RegistrationInfo.Author
+                            RegistrationInfoDescription = $Entry.Properties.Task.RegistrationInfo.Description
+
+                            deleteWhenDone              = $Entry.Properties.deleteWhenDone
+                        }
+                    }
+                    $End = [ordered] @{
+                        id        = $Entry.Properties.Principals.Principal.id        # : Author
+                        UserId    = $Entry.Properties.Principals.Principal.UserId    # : NT AUTHORITY\System
+                        LogonType = $Entry.Properties.Principals.Principal.LogonType # : InteractiveToken
+                        RunLevel  = $Entry.Properties.Principals.Principal.RunLevel  # : HighestAvailable
+
+                        #Persistent = if ($Entry.Properties.persistent -eq '1') { $true } elseif ($Entry.Properties.persistent -eq '0') { $false } else { $Entry.Properties.persistent };
+                        #UseLetter = if ($Entry.Properties.useLetter -eq '1') { $true } elseif ($Entry.Properties.useLetter -eq '0') { $false } else { $Entry.Properties.useLetter };
+                        #Letter = $Entry.Properties.letter
+                    }
+                    $CreateGPO = $CreateGPO + $Middle + $End + $Action
+                    $Last = [ordered] @{
+                        #Uid                                   = $Group.uid             #: {8F435B0A-CD15-464E-85F3-B6A55B9E816A}: {8F435B0A-CD15-464E-85F3-B6A55B9E816A}
+                        RunInLoggedOnUserSecurityContext      = if ($Entry.userContext -eq '1') { 'Enabled' } elseif ($Entry.userContext -eq '0') { 'Disabled' } else { $Entry.userContext };
+                        RemoveThisItemWhenItIsNoLongerApplied = if ($Entry.removePolicy -eq '1') { 'Enabled' } elseif ($Entry.removePolicy -eq '0') { 'Disabled' } else { $Entry.removePolicy };
+                        Filters                               = $Group.Filters         #::
+                    }
+                    $CreateGPO = $CreateGPO + $Last
+                    $CreateGPO['Linked'] = $GPO.Linked
+                    $CreateGPO['LinksCount'] = $GPO.LinksCount
+                    $CreateGPO['Links'] = $GPO.Links
+                    [PSCustomObject] $CreateGPO
+                }
+            }
+        }
+    }
+}

Private/Get-GPOCategories.ps1

@@ -0,0 +1,62 @@
+function Get-GPOCategories {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [System.Xml.XmlElement[]] $GPOOutput,
+        [string] $Splitter,
+        [switch] $FullObjects,
+        [System.Collections.IDictionary] $CachedCategories
+    )
+    if (-not $CachedCategories) {
+        $CachedCategories = [ordered] @{}
+    }
+    $LinksInformation = Get-LinksFromXML -GPOOutput $GPOOutput -Splitter $Splitter -FullObjects:$FullObjects
+    foreach ($GpoType in @('User', 'Computer')) {
+        if ($GPOOutput.$GpoType.ExtensionData.Extension) {
+            foreach ($ExtensionType in $GPOOutput.$GpoType.ExtensionData.Extension) {
+                # It's possible that one of the ExtensionType records has value null. Weird but happend.
+                if ($ExtensionType) {
+                    $GPOSettingTypeSplit = ($ExtensionType.type -split ':')
+                    try {
+                        $KeysToLoop = $ExtensionType | Get-Member -MemberType Properties -ErrorAction Stop | Where-Object { $_.Name -notin 'type', $GPOSettingTypeSplit[0] -and $_.Name -notin @('Blocked') }
+                    } catch {
+                        Write-Warning "Get-XMLStandard - things went sideways $($_.Exception.Message)"
+                        continue
+                    }
+
+                    foreach ($GpoSettings in $KeysToLoop.Name) {
+                        $Template = [ordered] @{
+                            DisplayName = $GPO.DisplayName
+                            DomainName  = $GPO.DomainName
+                            GUID        = $GPO.Guid
+                            GpoType     = $GpoType
+                            GpoCategory = $GPOSettingTypeSplit[1]
+                            GpoSettings = $GpoSettings
+                        }
+                        $Template['Linked'] = $LinksInformation.Linked
+                        $Template['LinksCount'] = $LinksInformation.LinksCount
+                        $Template['Links'] = $LinksInformation.Links
+                        $Template['IncludeComments'] = [bool]::Parse($GPOOutput.IncludeComments)
+                        $Template['CreatedTime'] = [DateTime] $GPOOutput.CreatedTime
+                        $Template['ModifiedTime'] = [DateTime] $GPOOutput.ModifiedTime
+                        $Template['ReadTime'] = [DateTime] $GPOOutput.ReadTime
+                        $Template['SecurityDescriptor'] = $GPOOutput.SecurityDescriptor
+                        $Template['FilterDataAvailable'] = [bool]::Parse($GPOOutput.FilterDataAvailable)
+                        $Template['DataSet'] = $ExtensionType.$GpoSettings
+                        $ConvertedObject = [PSCustomObject] $Template
+
+                        if (-not $CachedCategories["$($Template.GpoCategory)"]) {
+                            $CachedCategories["$($Template.GpoCategory)"] = [ordered] @{}
+                        }
+                        if (-not $CachedCategories["$($Template.GpoCategory)"]["$($Template.GpoSettings)"]) {
+                            $CachedCategories["$($Template.GpoCategory)"]["$($Template.GpoSettings)"] = [System.Collections.Generic.List[PSCustomObject]]::new()
+                        }
+                        $CachedCategories["$($Template.GpoCategory)"]["$($Template.GpoSettings)"].Add($ConvertedObject)
+                        # return GPOCategory
+                        $ConvertedObject
+                    }
+                }
+            }
+        }
+    }
+}

Private/Get-LinksFromXML.ps1

@@ -0,0 +1,38 @@
+function Get-LinksFromXML {
+    [cmdletBinding()]
+    param(
+        [System.Xml.XmlElement[]] $GPOOutput,
+        [string] $Splitter,
+        [switch] $FullObjects
+    )
+    $Links = [ordered] @{
+        Linked     = $null
+        LinksCount = $null
+        Links      = $null
+    }
+    if ($GPOOutput.LinksTo) {
+        $Links.Linked = $true
+        $Links.LinksCount = ([Array] $GPOOutput.LinksTo).Count
+        $Links.Links = foreach ($Link in $GPOOutput.LinksTo) {
+            if ($FullObjects) {
+                [PSCustomObject] @{
+                    Path       = $Link.SOMPath
+                    Enabled    = if ($Link.Enabled -eq 'true') { $true } else { $false }
+                    NoOverride = if ($Link.NoOverride -eq 'true') { $true } else { $false }
+                }
+            } else {
+                if ($Link.Enabled) {
+                    $Link.SOMPath
+                }
+            }
+        }
+        if ($Splitter) {
+            $Links.Links = $Links.Links -join $Splitter
+        }
+    } else {
+        $Links.Linked = $false
+        $Links.LinksCount = 0
+        $Links.Links = $null
+    }
+    [PSCustomObject] $Links
+}

Private/Get-PrivGPOZaurrLInk.ps1

@@ -6,51 +6,69 @@
         [System.Collections.IDictionary] $GPOCache
     )
     if ($Object.GpLink -and $Object.GpLink.Trim() -ne '') {
-        $Object.GpLink -split { $_ -eq '[' -or $_ -eq ']' } -replace ';0' -replace 'LDAP://' | ForEach-Object -Process {
-            if ($_) {
+        #$Object.GpLink -split { $_ -eq '[' -or $_ -eq ']' } -replace ';0' -replace 'LDAP://'
+        $Object.GpLink -split '\[LDAP://' -split ';' | ForEach-Object -Process {
+            #Write-Verbose $_
+            if ($_.Length -gt 10) {
                 $DomainCN = ConvertFrom-DistinguishedName -DistinguishedName $_ -ToDomainCN
                 $Output = [ordered] @{
                     DistinguishedName = $Object.DistinguishedName
-                    CanonicalName     = $Object.CanonicalName
+                    CanonicalName     = if ($Object.CanonicalName) { $Object.CanonicalName.TrimEnd('/') } else { $Object.CanonicalName }
                     Guid              = [Regex]::Match( $_, '(?={)(.*)(?<=})').Value -replace '{' -replace '}'
                 }
                 $Search = -join ($DomainCN, $Output['Guid'])
                 if ($GPOCache -and -not $Limited) {
-                    $Output['DisplayName'] = $GPOCache[$Search].DisplayName
-                    $Output['DomainName'] = $GPOCache[$Search].DomainName
-                    $Output['Owner'] = $GPOCache[$Search].Owner
-                    $Output['GpoStatus'] = $GPOCache[$Search].GpoStatus
-                    $Output['Description'] = $GPOCache[$Search].Description
-                    $Output['CreationTime'] = $GPOCache[$Search].CreationTime
-                    $Output['ModificationTime'] = $GPOCache[$Search].ModificationTime
+                    if ($GPOCache[$Search]) {
+                        $Output['DisplayName'] = $GPOCache[$Search].DisplayName
+                        $Output['DomainName'] = $GPOCache[$Search].DomainName
+                        $Output['Owner'] = $GPOCache[$Search].Owner
+                        $Output['GpoStatus'] = $GPOCache[$Search].GpoStatus
+                        $Output['Description'] = $GPOCache[$Search].Description
+                        $Output['CreationTime'] = $GPOCache[$Search].CreationTime
+                        $Output['ModificationTime'] = $GPOCache[$Search].ModificationTime
+                        $Output['GPODomainDistinguishedName'] = ConvertFrom-DistinguishedName -DistinguishedName $_ -ToDC
+                        $Output['GPODistinguishedName'] = $_
+                        [PSCustomObject] $Output
+                    } else {
+                        Write-Warning "Get-PrivGPOZaurrLink - Couldn't find link $Search in a GPO Cache. Lack of permissions for given GPO? Are you running as admin? Skipping."
+                    }
+                } else {
+                    $Output['GPODomainDistinguishedName'] = ConvertFrom-DistinguishedName -DistinguishedName $_ -ToDC
+                    $Output['GPODistinguishedName'] = $_
+                    [PSCustomObject] $Output
                 }
-                $Output['GPODomainDistinguishedName'] = ConvertFrom-DistinguishedName -DistinguishedName $_ -ToDC
-                $Output['GPODistinguishedName'] = $_
-                [PSCustomObject] $Output
             }
         }
     } elseif ($Object.LinkedGroupPolicyObjects -and $Object.LinkedGroupPolicyObjects.Trim() -ne '') {
-        $Object.LinkedGroupPolicyObjects -split { $_ -eq '[' -or $_ -eq ']' } -replace ';0' -replace 'LDAP://' | ForEach-Object -Process {
-            if ($_) {
+        $Object.LinkedGroupPolicyObjects -split '\[LDAP://' -split ';' | ForEach-Object -Process {
+            if ($_.Length -gt 10) {
                 $DomainCN = ConvertFrom-DistinguishedName -DistinguishedName $_ -ToDomainCN
                 $Output = [ordered] @{
                     DistinguishedName = $Object.DistinguishedName
-                    CanonicalName     = $Object.CanonicalName
+                    CanonicalName     = if ($Object.CanonicalName) { $Object.CanonicalName.TrimEnd('/') } else { $Object.CanonicalName }
                     Guid              = [Regex]::Match( $_, '(?={)(.*)(?<=})').Value -replace '{' -replace '}'
                 }
                 $Search = -join ($DomainCN, $Output['Guid'])
                 if ($GPOCache -and -not $Limited) {
-                    $Output['Name'] = $GPOCache[$Search].DisplayName
-                    $Output['DomainName'] = $GPOCache[$Search].DomainName
-                    $Output['Owner'] = $GPOCache[$Search].Owner
-                    $Output['GpoStatus'] = $GPOCache[$Search].GpoStatus
-                    $Output['Description'] = $GPOCache[$Search].Description
-                    $Output['CreationTime'] = $GPOCache[$Search].CreationTime
-                    $Output['ModificationTime'] = $GPOCache[$Search].ModificationTime
+                    if ($GPOCache[$Search]) {
+                        $Output['Name'] = $GPOCache[$Search].DisplayName
+                        $Output['DomainName'] = $GPOCache[$Search].DomainName
+                        $Output['Owner'] = $GPOCache[$Search].Owner
+                        $Output['GpoStatus'] = $GPOCache[$Search].GpoStatus
+                        $Output['Description'] = $GPOCache[$Search].Description
+                        $Output['CreationTime'] = $GPOCache[$Search].CreationTime
+                        $Output['ModificationTime'] = $GPOCache[$Search].ModificationTime
+                        $Output['GPODomainDistinguishedName'] = ConvertFrom-DistinguishedName -DistinguishedName $_ -ToDC
+                        $Output['GPODistinguishedName'] = $_
+                        [PSCustomObject] $Output
+                    } else {
+                        Write-Warning "Get-PrivGPOZaurrLink - Couldn't find link $Search in a GPO Cache. Lack of permissions for given GPO? Are you running as admin? Skipping."
+                    }
+                } else {
+                    $Output['GPODomainDistinguishedName'] = ConvertFrom-DistinguishedName -DistinguishedName $_ -ToDC
+                    $Output['GPODistinguishedName'] = $_
+                    [PSCustomObject] $Output
                 }
-                $Output['GPODomainDistinguishedName'] = ConvertFrom-DistinguishedName -DistinguishedName $_ -ToDC
-                $Output['GPODistinguishedName'] = $_
-                [PSCustomObject] $Output
             }
         }
     }

Private/Get-XMLGPO.ps1

@@ -5,15 +5,33 @@
         [Microsoft.GroupPolicy.Gpo] $GPO,
         [switch] $PermissionsOnly,
         [switch] $OwnerOnly,
-        [System.Collections.IDictionary] $ADAdministrativeGroups
+        [System.Collections.IDictionary] $ADAdministrativeGroups,
+        [string] $Splitter = [System.Environment]::NewLine
     )
     if ($XMLContent.GPO.LinksTo) {
-        $Linked = $true
-        $LinksCount = ([Array] $XMLContent.GPO.LinksTo).Count
+        $LinkSplit = ([Array] $XMLContent.GPO.LinksTo).Where( { $_.Enabled -eq $true }, 'Split')
+        [Array] $LinksEnabled = $LinkSplit[0]
+        [Array] $LinksDisabled = $LinkSplit[1]
+        $LinksEnabledCount = $LinksEnabled.Count
+        $LinksDisabledCount = $LinksDisabled.Count
+        $LinksTotalCount = ([Array] $XMLContent.GPO.LinksTo).Count
+        if ($LinksEnabledCount -eq 0) {
+            $Linked = $false
+        } else {
+            $Linked = $true
+        }
     } else {
         $Linked = $false
-        $LinksCount = 0
+        $LinksEnabledCount = 0
+        $LinksDisabledCount = 0
+        $LinksTotalCount = 0
     }
+    if ($null -eq $XMLContent.GPO.Computer.ExtensionData -and $null -eq $XMLContent.GPO.User.ExtensionData) {
+        $Empty = $true
+    } else {
+        $Empty = $false
+    }
+
 
     # Find proper values for enabled/disabled user/computer settings
     if ($XMLContent.GPO.Computer.Enabled -eq 'False') {
@@ -98,8 +116,11 @@
             'DisplayName'                       = $XMLContent.GPO.Name
             'DomainName'                        = $XMLContent.GPO.Identifier.Domain.'#text'
             'GUID'                              = $XMLContent.GPO.Identifier.Identifier.InnerText -replace '{' -replace '}'
+            'Empty'                             = $Empty
             'Linked'                            = $Linked
-            'LinksCount'                        = $LinksCount
+            'LinksCount'                        = $LinksTotalCount
+            'LinksEnabledCount'                 = $LinksEnabledCount
+            'LinksDisabledCount'                = $LinksDisabledCount
             'Enabled'                           = $Enabled
             'ComputerEnabled'                   = $ComputerEnabled
             'UserEnabled'                       = $UserEnabled
@@ -111,11 +132,11 @@
             'UserSettingsStatus'                = if ($XMLContent.GPO.User.VersionDirectory -eq 0 -and $XMLContent.GPO.User.VersionSysvol -eq 0) { "NeverModified" } else { "Modified" }
             'UserSettingsVersionIdentical'      = if ($XMLContent.GPO.User.VersionDirectory -eq $XMLContent.GPO.User.VersionSysvol) { $true } else { $false }
             'UserSettings'                      = $XMLContent.GPO.User.ExtensionData.Extension
-
+            'ComputerPolicies'                  = $XMLContent.GPO.Computer.ExtensionData.Name -join ", "
+            'UserPolicies'                      = $XMLContent.GPO.User.ExtensionData.Name -join ", "
             'CreationTime'                      = [DateTime] $XMLContent.GPO.CreatedTime
             'ModificationTime'                  = [DateTime] $XMLContent.GPO.ModifiedTime
             'ReadTime'                          = [DateTime] $XMLContent.GPO.ReadTime
-
             'WMIFilter'                         = $GPO.WmiFilter.name
             'WMIFilterDescription'              = $GPO.WmiFilter.Description
             'GPODistinguishedName'              = $GPO.Path
@@ -144,7 +165,14 @@
                 }
             )
             'Auditing'                          = if ($XMLContent.GPO.SecurityDescriptor.AuditingPresent.'#text' -eq 'true') { $true } else { $false }
-            'Links'                             = $XMLContent.GPO.LinksTo | ForEach-Object -Process {
+            'Links'                             = @(
+                $XMLContent.GPO.LinksTo | ForEach-Object -Process {
+                    if ($_) {
+                        $_.SOMPath
+                    }
+                }
+            ) -join $Splitter
+            'LinksObjects'                      = $XMLContent.GPO.LinksTo | ForEach-Object -Process {
                 if ($_) {
                     [PSCustomObject] @{
                         CanonicalName = $_.SOMPath
@@ -153,15 +181,6 @@
                     }
                 }
             }
-            <#
-        SOMName SOMPath       Enabled NoOverride
-        ------- -------       ------- ----------
-        ad      ad.evotec.xyz true    false
-        #>
-
-            #| Select-Object -ExpandProperty SOMPath
-
         }
     }
-    #break
 }

Private/Get-XMLNestedRegistry.ps1

@@ -0,0 +1,147 @@
+function Get-XMLNestedRegistry {
+    [cmdletBinding()]
+    param(
+        [PSCustomObject] $GPO,
+        [System.Xml.XmlElement[]] $DataSet,
+        [string] $Collection,
+        [switch] $Limited
+    )
+    if ($DataSet.Properties) {
+        $Registry = $DataSet
+        foreach ($Registry in $DataSet) {
+            if ($Registry.Properties) {
+                if ($Limited) {
+                    [PSCustomObject] @{
+                        Collection      = $Collection
+                        Description     = $Registry.descr
+                        Changed         = try { [DateTime] $Registry.changed } catch { $Registry.changed };
+                        GPOSettingOrder = [int] $Registry.GPOSettingOrder
+                        Action          = $Script:Actions[$Registry.Properties.action]
+                        DisplayDecimal  = if ($Registry.Properties.displayDecimal -eq '1') { $true } else { $false };
+                        Default         = if ($Registry.Properties.default -eq '1') { $true } else { $false };
+                        Hive            = $Registry.Properties.hive #: HKEY_LOCAL_MACHINE
+                        Key             = $Registry.Properties.key  #: SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
+                        Name            = $Registry.Properties.name #: AutoAdminLogon
+                        Type            = $Registry.Properties.type #: REG_SZ
+                        Value           = $Registry.Properties.value #
+                        Filters         = $Registry.Filters
+                        BypassErrors    = if ($Registry.bypassErrors -eq '1') { $true } else { $false };
+                    }
+                } else {
+                    $CreateGPO = [ordered]@{
+                        DisplayName     = $GPO.DisplayName
+                        DomainName      = $GPO.DomainName
+                        GUID            = $GPO.GUID
+                        GpoType         = $GPO.GpoType
+                        #GpoCategory = $GPOEntry.GpoCategory
+                        #GpoSettings = $GPOEntry.GpoSettings
+                        Collection      = $Collection
+                        Description     = $Registry.descr
+                        Changed         = try { [DateTime] $Registry.changed } catch { $Registry.changed };
+                        GPOSettingOrder = [int] $Registry.GPOSettingOrder
+                        Action          = $Script:Actions[$Registry.Properties.action]
+                        DisplayDecimal  = if ($Registry.Properties.displayDecimal -eq '1') { $true } else { $false };
+                        Default         = if ($Registry.Properties.default -eq '1') { $true } else { $false };
+                        Hive            = $Registry.Properties.hive #: HKEY_LOCAL_MACHINE
+                        Key             = $Registry.Properties.key  #: SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
+                        Name            = $Registry.Properties.name #: AutoAdminLogon
+                        Type            = $Registry.Properties.type #: REG_SZ
+                        Value           = $Registry.Properties.value #
+                        Filters         = $Registry.Filters
+                        BypassErrors    = if ($Registry.bypassErrors -eq '1') { $true } else { $false };
+                    }
+                    $CreateGPO['Linked'] = $GPO.Linked
+                    $CreateGPO['LinksCount'] = $GPO.LinksCount
+                    $CreateGPO['Links'] = $GPO.Links
+                    [PSCustomObject] $CreateGPO
+                }
+            }
+        }
+    }
+    foreach ($Name in @('Registry', 'Collection')) {
+        foreach ($Registry in $DataSet.$Name) {
+            if ($Registry.Properties) {
+                if ($Limited) {
+                    [PSCustomObject] @{
+                        Collection      = $Collection
+                        Description     = $Registry.descr
+                        Changed         = try { [DateTime] $Registry.changed } catch { $Registry.changed };
+                        GPOSettingOrder = [int] $Registry.GPOSettingOrder
+                        Action          = $Script:Actions[$Registry.Properties.action]
+                        DisplayDecimal  = if ($Registry.Properties.displayDecimal -eq '1') { $true } else { $false };
+                        Default         = if ($Registry.Properties.default -eq '1') { $true } else { $false };
+                        Hive            = $Registry.Properties.hive #: HKEY_LOCAL_MACHINE
+                        Key             = $Registry.Properties.key  #: SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
+                        Name            = $Registry.Properties.name #: AutoAdminLogon
+                        Type            = $Registry.Properties.type #: REG_SZ
+                        Value           = $Registry.Properties.value #
+                        Filters         = $Registry.Filters
+                        BypassErrors    = if ($Registry.bypassErrors -eq '1') { $true } else { $false };
+                    }
+                } else {
+                    $CreateGPO = [ordered]@{
+                        DisplayName     = $GPO.DisplayName
+                        DomainName      = $GPO.DomainName
+                        GUID            = $GPO.GUID
+                        GpoType         = $GPO.GpoType
+                        #GpoCategory = $GPOEntry.GpoCategory
+                        #GpoSettings = $GPOEntry.GpoSettings
+                        Collection      = $Collection
+                        Description     = $Registry.descr
+                        Changed         = try { [DateTime] $Registry.changed } catch { $Registry.changed };
+                        GPOSettingOrder = [int] $Registry.GPOSettingOrder
+                        Action          = $Script:Actions[$Registry.Properties.action]
+                        DisplayDecimal  = if ($Registry.Properties.displayDecimal -eq '1') { $true } else { $false }; ;
+                        Default         = if ($Registry.Properties.default -eq '1') { $true } else { $false };
+                        Hive            = $Registry.Properties.hive #: HKEY_LOCAL_MACHINE
+                        Key             = $Registry.Properties.key  #: SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
+                        Name            = $Registry.Properties.name #: AutoAdminLogon
+                        Type            = $Registry.Properties.type #: REG_SZ
+                        Value           = $Registry.Properties.value #
+                        Filters         = $Registry.Filters
+                        BypassErrors    = if ($Registry.bypassErrors -eq '1') { $true } else { $false };
+                    }
+                    $CreateGPO['Linked'] = $GPO.Linked
+                    $CreateGPO['LinksCount'] = $GPO.LinksCount
+                    $CreateGPO['Links'] = $GPO.Links
+                    [PSCustomObject] $CreateGPO
+                }
+            } else {
+                if ($Registry.Registry) {
+                    #if ($Registry.Name.Count -gt 1) {
+                    #Write-Verbose "Registry Name count more than 1"
+                    #}
+                    $TempCollection = $Collection
+                    if ($Collection) {
+                        $Collection = "$Collection/$($Registry.name)"
+                    } else {
+                        $Collection = $Registry.name
+                    }
+                    Get-XMLNestedRegistry -GPO $GPO -DataSet $Registry.Registry -Collection $Collection
+                    $Collection = $TempCollection
+                }
+                if ($Registry.Collection) {
+                    $TempCollection = $Collection
+                    #if ($Registry.Collection.Count -gt 1) {
+                    # Write-Verbose "Registry collection count more than 1"
+                    #}
+                    foreach ($MyCollection in $Registry.Collection) {
+                        if ($Collection) {
+                            #Write-Verbose "Collection1: $Collection - $($Registry.name) - $($MyCollection.name) - $($($MyCollection.name).Count)"
+                            $Collection = "$Collection/$($Registry.name)/$($MyCollection.name)"
+                            #Write-Verbose "Collection2: $Collection"
+                        } else {
+                            #Write-Verbose "Collection3: $Collection - $($Registry.name) - $($MyCollection.name)"
+                            $Collection = "$($Registry.name)/$($MyCollection.name)"
+                            #Write-Verbose "Collection4: $Collection"
+                        }
+
+                        Get-XMLNestedRegistry -GPO $GPO -DataSet $MyCollection -Collection $Collection
+                        $Collection = $TempCollection
+                    }
+                }
+            }
+        }
+
+    }
+}

Private/New-ADForestDrives.ps1

@@ -1,56 +0,0 @@
-function New-ADForestDrives {
-    [cmdletbinding()]
-    param(
-        [string] $ForestName,
-        [string] $ObjectDN
-    )
-    if (-not $Global:ADDrivesMapped) {
-        if ($ForestName) {
-            $Forest = Get-ADForest -Identity $ForestName
-        } else {
-            $Forest = Get-ADForest
-        }
-        if ($ObjectDN) {
-            # This doesn't work because no Domain and no $Server
-            $DNConverted = (ConvertFrom-Distinguishedname -DistinguishedName $ObjectDN -ToDC) -replace '=' -replace ','
-            if (-not(Get-PSDrive -Name $DNConverted -ErrorAction SilentlyContinue)) {
-                try {
-
-                    if ($Server) {
-                        $null = New-PSDrive -Name $DNConverted -Root '' -PsProvider ActiveDirectory -Server $Server.Hostname[0] -Scope Global -WhatIf:$false
-                        Write-Verbose "New-ADForestDrives - Mapped drive $Domain / $($Server.Hostname[0])"
-                    } else {
-                        $null = New-PSDrive -Name $DNConverted -Root '' -PsProvider ActiveDirectory -Server $Domain -Scope Global -WhatIf:$false
-                    }
-                } catch {
-                    Write-Warning "New-ADForestDrives - Couldn't map new AD psdrive for $Domain / $($Server.Hostname[0])"
-                }
-            }
-        } else {
-            foreach ($Domain in $Forest.Domains) {
-                try {
-                    $Server = Get-ADDomainController -Discover -DomainName $Domain
-                    $DomainInformation = Get-ADDomain -Server $Server.Hostname[0]
-                } catch {
-                    Write-Warning "New-ADForestDrives - Can't process domain $Domain - $($_.Exception.Message)"
-                    continue
-                }
-                $ObjectDN = $DomainInformation.DistinguishedName
-                $DNConverted = (ConvertFrom-Distinguishedname -DistinguishedName $ObjectDN -ToDC) -replace '=' -replace ','
-                if (-not(Get-PSDrive -Name $DNConverted -ErrorAction SilentlyContinue)) {
-                    try {
-                        if ($Server) {
-                            $null = New-PSDrive -Name $DNConverted -Root '' -PsProvider ActiveDirectory -Server $Server.Hostname[0] -Scope Global -WhatIf:$false
-                            Write-Verbose "New-ADForestDrives - Mapped drive $Domain / $Server"
-                        } else {
-                            $null = New-PSDrive -Name $DNConverted -Root '' -PsProvider ActiveDirectory -Server $Domain -Scope Global -WhatIf:$false
-                        }
-                    } catch {
-                        Write-Warning "New-ADForestDrives - Couldn't map new AD psdrive for $Domain / $Server $($_.Exception.Message)"
-                    }
-                }
-            }
-        }
-        $Global:ADDrivesMapped = $true
-    }
-}

Private/Script.Actions.ps1

@@ -0,0 +1,6 @@
+$Script:Actions = @{
+    C = 'Create'
+    D = 'Delete'
+    U = 'Update'
+    R = 'Replace'
+}

Private/Script.GPODictionary.ps1

@@ -0,0 +1,458 @@
+$Script:GPODitionary = [ordered] @{
+    AccountPolicies         = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'SecuritySettings'
+                Settings = 'Account'
+            }
+        )
+        GPOPath    = 'Computer Configuration -> Policies -> Windows Settings -> Security Settings -> Account Policies'
+        Code       = {
+            ConvertTo-XMLAccountPolicy -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLAccountPolicy -GPO $GPO
+        }
+    }
+    Audit                   = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'SecuritySettings'
+                Settings = 'Audit'
+            }
+            @{
+                Category = 'AuditSettings'
+                Settings = 'AuditSetting'
+            }
+        )
+        GPOPath    = ''
+        Code       = {
+            ConvertTo-XMLAudit -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLAudit -GPO $GPO
+        }
+    }
+    Autologon               = [ordered] @{
+        # We want to process this based on other report called RegistrySettings
+        # This is because registry settings can be stored in Collections or nested within other registry settings
+        # The original function ConvertTo-XMLRegistryAutologon was processing it in limited ordered and potentially would skip some entries.
+        <#
+        Types      = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'RegistrySettings'
+            }
+        )
+        #>
+        ByReports  = @(
+            @{
+                Report = 'RegistrySettings'
+            }
+        )
+        <#
+        Code       = {
+            ConvertTo-XMLRegistryAutologon -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLRegistryAutologon -GPO $GPO
+        }
+        #>
+        CodeReport = {
+            ConvertTo-XMLRegistryAutologonOnReport -GPO $GPO
+        }
+    }
+    Biometrics              = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            #ConvertTo-XMLBitlocker -GPO $GPO
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Windows Components/Biometrics*'
+        }
+    }
+    Bitlocker               = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            #ConvertTo-XMLBitlocker -GPO $GPO
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Windows Components/BitLocker Drive Encryption*'
+        }
+    }
+    CredentialsDelegation   = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'System/Credentials Delegation*'
+        }
+    }
+    Desktop                 = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Desktop*'
+        }
+    }
+    DnsClient               = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Network/DNS Client*'
+        }
+    }
+    DriveMapping            = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'DriveMapSettings'
+                Settings = 'DriveMapSettings'
+            }
+        )
+        GPOPath    = ''
+        Code       = {
+            ConvertTo-XMLDriveMapSettings -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLDriveMapSettings -GPO $GPO -SingleObject
+        }
+    }
+    EventLog                = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'SecuritySettings'
+                Settings = 'EventLog'
+            }
+        )
+        GPOPath    = ''
+        Code       = {
+            ConvertTo-XMLEventLog -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLEventLog -GPO $GPO
+        }
+    }
+    FileExplorer            = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Windows Components/File Explorer*'
+        }
+    }
+    GroupPolicy             = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'System/Group Policy*'
+        }
+    }
+    InternetExplorer        = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Windows Components/Internet Explorer*'
+        }
+    }
+    LAPS                    = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            #ConvertTo-XMLLaps -GPO $GPO
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'LAPS'
+        }
+    }
+    Lithnet                 = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            #ConvertTo-XMLLithnetFilter -GPO $GPO
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Lithnet/Password Protection for Active Directory*'
+        }
+    }
+    LocalUsers              = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'LugsSettings'
+                Settings = 'LocalUsersAndGroups'
+            }
+        )
+        Code       = {
+            ConvertTo-XMLLocalUser -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLLocalUser -GPO $GPO -SingleObject
+        }
+    }
+    LocalGroups             = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'LugsSettings'
+                Settings = 'LocalUsersAndGroups'
+            }
+        )
+        Code       = {
+            ConvertTo-XMLLocalGroups -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLLocalGroups -GPO $GPO -SingleObject
+        }
+    }
+    Logon                   = @{
+        Types = @(
+            @{ Category = 'RegistrySettings'; Settings = 'Policy' }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'System/Logon*'
+        }
+    }
+    MicrosoftOutlook2010    = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Microsoft Outlook 2010*'
+        }
+    }
+    MicrosoftOutlook2016    = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Microsoft Outlook 2016*'
+        }
+    }
+    Policies                = @{
+        Types      = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code       = {
+            ConvertTo-XMLPolicies -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLPolicies -GPO $GPO -SingleObject
+        }
+    }
+    Printers                = @{
+        Types      = @(
+            @{
+                Category = 'PrintersSettings'
+                Settings = 'Printers'
+            }
+            @{
+                Category = 'PrinterConnectionSettings'
+                Settings = 'PrinterConnection'
+            }
+        )
+        Code       = {
+            ConvertTo-XMLPrinter -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLPrinter -GPO $GPO -SingleObject
+        }
+    }
+    PrintersPolicies        = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Printers*', 'Control Panel/Printers*'
+        }
+    }
+    RegistrySettings        = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'RegistrySettings'
+            }
+        )
+        Code       = {
+            ConvertTo-XMLRegistrySettings -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLRegistrySettings -GPO $GPO -SingleObject
+        }
+    }
+    RemoteDesktopServices   = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Windows Components/Remote Desktop Services*'
+        }
+    }
+    Scripts                 = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'Scripts'
+                Settings = 'Script'
+            }
+        )
+        Code       = {
+            ConvertTo-XMLScripts -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLScripts -GPO $GPO -SingleObject
+        }
+    }
+    SecurityOptions         = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'SecuritySettings'
+                Settings = 'SecurityOptions'
+            }
+        )
+        Code       = {
+            ConvertTo-XMLSecurityOptions -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLSecurityOptions -GPO $GPO -SingleObject
+        }
+    }
+    SoftwareInstallation    = [ordered] @{
+        Types      = @(
+            @{
+                Category = 'SoftwareInstallationSettings'
+                Settings = 'MsiApplication'
+            }
+        )
+        Code       = {
+            ConvertTo-XMLSoftwareInstallation -GPO $GPO
+        }
+        CodeSingle = {
+            ConvertTo-XMLSoftwareInstallation -GPO $GPO -SingleObject
+        }
+    }
+    SystemServices          = [ordered] @{
+        Types       = @(
+            @{
+                Category = 'SecuritySettings'
+                Settings = 'SystemServices'
+            }
+        )
+        Description = ''
+        GPOPath     = 'Computer Configuration -> Policies -> Windows Settings -> Security Settings -> System Services'
+        Code        = {
+            ConvertTo-XMLSystemServices -GPO $GPO
+        }
+        CodeSingle  = {
+            ConvertTo-XMLSystemServices -GPO $GPO -SingleObject
+        }
+    }
+    SystemServicesNT        = [ordered] @{
+        Types       = @(
+            @{
+                Category = 'ServiceSettings'
+                Settings = 'NTServices'
+            }
+        )
+        Description = ''
+        GPOPath     = 'Computer Configuration -> Preferences -> Control Pannel Settings -> Services'
+        Code        = {
+            ConvertTo-XMLSystemServicesNT -GPO $GPO
+        }
+        CodeSingle  = {
+            ConvertTo-XMLSystemServicesNT -GPO $GPO -SingleObject
+        }
+    }
+    TaskScheduler           = [ordered] @{
+        Types       = @(
+            @{
+                Category = 'ScheduledTasksSettings'
+                Settings = 'ScheduledTasks'
+            }
+        )
+        Description = ''
+        GPOPath     = ''
+        Code        = {
+            ConvertTo-XMLTaskScheduler -GPO $GPO
+        }
+        CodeSingle  = {
+            ConvertTo-XMLTaskScheduler -GPO $GPO -SingleObject
+        }
+    }
+    WindowsHelloForBusiness = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Windows Components/Windows Hello For Business*'
+        }
+    }
+    WindowsRemoteManagement = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Windows Components/Windows Remote Management (WinRM)*'
+        }
+    }
+    WindowsUpdate           = @{
+        Types = @(
+            @{
+                Category = 'RegistrySettings'
+                Settings = 'Policy'
+            }
+        )
+        Code  = {
+            ConvertTo-XMLGenericPolicy -GPO $GPO -Category 'Windows Components/Windows Update*', 'Windows Components/Delivery Optimization*'
+        }
+    }
+}

Private/Script.GPOPropertiesComputers.ps1

@@ -1,52 +0,0 @@
-$Script:GPOPropetiesComputers = [ordered] @{
-    'Account'                       = ''
-    'Audit'                         = ''
-    'AuditSetting'                  = ''
-    'AutoEnrollmentSettings'        = ''
-    'Blocked'                       = ''
-    'certSettingsTrustedPublishers' = ''
-    'DataSourcesSettings'           = ''
-    'DomainProfile'                 = ''
-    'Dot3SvcSetting'                = ''
-    'EFSRecoveryAgent'              = ''
-    'EFSSettings'                   = ''
-    'EnvironmentVariables'          = ''
-    'EventLog'                      = ''
-    'File'                          = ''
-    'FilesSettings'                 = ''
-    'Folders'                       = ''
-    'General'                       = ''
-    'Global'                        = ''
-    'GlobalSettings'                = ''
-    'InboundFirewallRules'          = ''
-    'IntermediateCACertificate'     = ''
-    'InternetZoneRule'              = ''
-    'LocalUsersAndGroups'           = ''
-    'MsiApplication'                = ''
-    'NetworkOptions'                = ''
-    'NetworkShares'                 = ''
-    'NTServices'                    = ''
-    'OutboundFirewallRules'         = ''
-    'PathRule'                      = ''
-    'Policy'                        = ''
-    'PowerOptions'                  = ''
-    'PrinterConnection'             = ''
-    'Printers'                      = ''
-    'PrivateProfile'                = ''
-    'PublicProfile'                 = ''
-    'Registry'                      = ''
-    'RegistrySetting'               = ''
-    'RegistrySettings'              = ''
-    'RestrictedGroups'              = ''
-    'RootCertificate'               = ''
-    'RootCertificateSettings'       = ''
-    'ScheduledTasks'                = ''
-    'Script'                        = ''
-    'SecurityOptions'               = ''
-    'ShortcutSettings'              = ''
-    'SystemServices'                = ''
-    'TrustedPublishersCertificate'  = ''
-    'type'                          = ''
-    'UserRightsAssignment'          = ''
-    'WLanSvcSetting'                = ''
-}

Private/Script.GPOPropertiesUsers.ps1

@@ -1,54 +0,0 @@
-$Script:GPOPropertiesUsers = [ordered] @{
-    'AutoDetectConfigSettings'     = ''
-    'AutoEnrollmentSettings'       = ''
-    'AutomaticConfiguration'       = ''
-    'AutoSetupSetting'             = ''
-    'Blocked'                      = ''
-    'BrowserTitle'                 = ''
-    'CustomSetupSetting'           = ''
-    'DataSourcesSettings'          = ''
-    'DefinesConnectionSettings'    = ''
-    'DefinesEscOffSettings'        = ''
-    'DefinesEscOnSettings'         = ''
-    'DeleteChannels'               = ''
-    'DriveMapSettings'             = ''
-    'EscOffLocalSites'             = ''
-    'EscOffSecurityZoneAndPrivacy' = ''
-    'EscOffTrustedSites'           = ''
-    'EscOnLocalSites'              = ''
-    'EscOnSecurityZoneAndPrivacy'  = ''
-    'EscOnTrustedSites'            = ''
-    'FavoriteURL'                  = ''
-    'FilesSettings'                = ''
-    'Folder'                       = ''
-    'FolderOptions'                = ''
-    'Folders'                      = ''
-    'General'                      = ''
-    'HomePage'                     = ''
-    'ImportedContentRatings'       = ''
-    'InternetOptions'              = ''
-    'LocalUsersAndGroups'          = ''
-    'MsiApplication'               = ''
-    'NetworkOptions'               = ''
-    'PathRule'                     = ''
-    'PlaceFavoritesAtTop'          = ''
-    'Policy'                       = ''
-    'PowerOptions'                 = ''
-    'PreferenceMode'               = ''
-    'PrinterConnection'            = ''
-    'Printers'                     = ''
-    'Programs'                     = ''
-    'ProxySettings'                = ''
-    'RegionalOptionsSettings'      = ''
-    'RegistrySetting'              = ''
-    'RegistrySettings'             = ''
-    'RestartSetupSetting'          = ''
-    'ScheduledTasks'               = ''
-    'Script'                       = ''
-    'SearchBar'                    = ''
-    'ShortcutSettings'             = ''
-    'StartMenuSettings'            = ''
-    'ToolsSetting'                 = ''
-    'TrustedPublisherLockdown'     = ''
-    'type'                         = ''
-}

Public/Add-GPOPermission.ps1

@@ -3,7 +3,7 @@
     param(
         [validateset('WellKnownAdministrative', 'Administrative', 'AuthenticatedUsers', 'Default')][string] $Type = 'Default',
         [Microsoft.GroupPolicy.GPPermissionType] $IncludePermissionType,
-        [alias('Trustee')][Array] $Principal,
+        [alias('Trustee')][string] $Principal,
         [alias('TrusteeType')][validateset('DistinguishedName', 'Name', 'Sid')][string] $PrincipalType = 'DistinguishedName',
         [validateSet('Allow', 'Deny')][string] $PermitType = 'Allow'
     )

Public/Add-GPOZaurrPermission.ps1

@@ -79,6 +79,12 @@
                 # We are looking for administrative but we need to make sure we got correct administrative
                 if ($GPOPermission.Permission -eq $PermissionType) {
                     $AdministrativeGroup = $ADAdministrativeGroups['BySID'][$GPOPermission.SID]
+                    if ($AdministrativeGroup.SID -like '*-519') {
+                        $AdministrativeExists['EnterpriseAdmins'] = $true
+                    } elseif ($AdministrativeGroup.SID -like '*-512') {
+                        $AdministrativeExists['DomainAdmins'] = $true
+                    }
+                    <#
                     if ($AdministrativeGroup) {
                         $DomainAdminsSID = -join ($ForestInformation['DomainsExtended'][$GPOPermission.DomainName].DomainSID, '-512')
                         $EnterpriseAdminsSID = -join ($ForestInformation['DomainsExtended'][$GPOPermission.DomainName].DomainSID, '-519')
@@ -88,6 +94,7 @@
                             $AdministrativeExists['EnterpriseAdmins'] = $true
                         }
                     }
+                    #>
                 }
             } elseif ($Type -eq 'WellKnownAdministrative') {
                 # this is for SYSTEM account

Public/Clear-GPOZaurrSysvolDFSR.ps1

@@ -0,0 +1,37 @@
+function Clear-GPOZaurrSysvolDFSR {
+    [cmdletBinding(SupportsShouldProcess)]
+    param(
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation
+    )
+    # Based on https://techcommunity.microsoft.com/t5/ask-the-directory-services-team/manually-clearing-the-conflictanddeleted-folder-in-dfsr/ba-p/395711
+    $StatusCodes = @{
+        '0' = 'Success' # MONITOR_STATUS_SUCCESS
+        '1' = 'Generic database error' #MONITOR_STATUS_GENERIC_DB_ERROR
+        '2' = 'ID record not found' # MONITOR_STATUS_IDRECORD_NOT_FOUND
+        '3' = 'Volume not found' # MONITOR_STATUS_VOLUME_NOT_FOUND
+        '4' = 'Access denied' #MONITOR_STATUS_ACCESS_DENIED
+        '5' = 'Generic error' #MONITOR_STATUS_GENERIC_ERROR
+    }
+
+    #WMIC.EXE /namespace:\\root\microsoftdfs path dfsrreplicatedfolderconfig get replicatedfolderguid, replicatedfoldername
+    #WMIC.EXE /namespace:\\root\microsoftdfs path dfsrreplicatedfolderinfo where "replicatedfolderguid='<RF GUID>'" call cleanupconflictdirectory
+    #WMIC.EXE /namespace:\\root\microsoftdfs path dfsrreplicatedfolderinfo where "replicatedfolderguid='70bebd41-d5ae-4524-b7df-4eadb89e511e'" call cleanupconflictdirectory
+
+    # https://docs.microsoft.com/en-us/previous-versions/windows/desktop/dfsr/dfsrreplicatedfolderinfo
+    $ForestInformation = Get-WinADForestDetails -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
+    foreach ($Domain in $ForestInformation.Domains) {
+        Write-Verbose "Clear-GPOZaurrSysvolDFSR - Processing $Domain"
+        $QueryServer = $ForestInformation['QueryServers']["$Domain"].HostName[0]
+        $DFSR = Get-GPOZaurrSysvolDFSR -IncludeDomains $Domain -ExtendedForestInformation $ForestInformation
+        $Executed = Invoke-CimMethod -InputObject $DFSR.DFSR -MethodName 'cleanupconflictdirectory' -CimSession $QueryServer
+        if ($Executed) {
+            [PSCustomObject] @{
+                Status       = $StatusCodes["$($Executed.ReturnValue)"]
+                ComputerName = $Executed.PSComputerName
+            }
+        }
+    }
+}

Public/Get-GPOZaurrAD.ps1

@@ -50,19 +50,24 @@
             }
             Get-ADObject @Splat -Properties DisplayName, Name, Created, Modified, gPCFileSysPath, gPCFunctionalityVersion, gPCWQLFilter, gPCMachineExtensionNames, Description, CanonicalName, DistinguishedName | ForEach-Object -Process {
                 $DomainCN = ConvertFrom-DistinguishedName -DistinguishedName $_.DistinguishedName -ToDomainCN
-                $Output = [ordered]@{ }
-                $Output['DisplayName'] = $_.DisplayName
-                $Output['DomainName'] = $DomainCN
-                $Output['Description'] = $_.Description
-                $Output['GUID'] = $_.Name -replace '{' -replace '}'
-                $Output['Path'] = $_.gPCFileSysPath
-                $Output['FunctionalityVersion'] = $_.gPCFunctionalityVersion
-                $Output['Created'] = $_.Created
-                $Output['Modified'] = $_.Modified
-                $Output['GPOCanonicalName'] = $_.CanonicalName
-                $Output['GPODomainDistinguishedName'] = ConvertFrom-DistinguishedName -DistinguishedName $_.DistinguishedName -ToDC
-                $Output['GPODistinguishedName'] = $_.DistinguishedName
-                [PSCustomObject] $Output
+                $GUID = $_.Name -replace '{' -replace '}'
+                if (($GUID).Length -ne 36) {
+                    Write-Warning "Get-GPOZaurrAD - GPO GUID ($($($GUID.Replace("`n",' ')))) is incorrect. Skipping $($_.DisplayName) / Domain: $($DomainCN)"
+                } else {
+                    $Output = [ordered]@{ }
+                    $Output['DisplayName'] = $_.DisplayName
+                    $Output['DomainName'] = $DomainCN
+                    $Output['Description'] = $_.Description
+                    $Output['GUID'] = $GUID
+                    $Output['Path'] = $_.gPCFileSysPath
+                    $Output['FunctionalityVersion'] = $_.gPCFunctionalityVersion
+                    $Output['Created'] = $_.Created
+                    $Output['Modified'] = $_.Modified
+                    $Output['GPOCanonicalName'] = $_.CanonicalName
+                    $Output['GPODomainDistinguishedName'] = ConvertFrom-DistinguishedName -DistinguishedName $_.DistinguishedName -ToDC
+                    $Output['GPODistinguishedName'] = $_.DistinguishedName
+                    [PSCustomObject] $Output
+                }
             }
         }
     }

Public/Get-GPOZaurrFiles.ps1

@@ -0,0 +1,312 @@
+function Get-GPOZaurrFiles {
+    [cmdletbinding()]
+    param(
+        [ValidateSet('All', 'Netlogon', 'Sysvol')][string[]] $Type = 'All',
+        [ValidateSet('None', 'MACTripleDES', 'MD5', 'RIPEMD160', 'SHA1', 'SHA256', 'SHA384', 'SHA512')][string] $HashAlgorithm = 'None',
+        [switch] $Signature,
+        [switch] $Limited,
+        [switch] $AsHashTable,
+        [switch] $Extended,
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation
+    )
+    $GPOCache = @{}
+    $ForestInformation = Get-WinADForestDetails -Extended -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
+    $GPOList = Get-GPOZaurrAD -ExtendedForestInformation $ForestInformation
+    foreach ($GPO in $GPOList) {
+        if (-not $GPOCache[$GPO.DomainName]) {
+            $GPOCache[$GPO.DomainName] = @{}
+        }
+        $GPOCache[$($GPO.DomainName)][($GPO.GUID)] = $GPO
+    }
+    foreach ($Domain in $ForestInformation.Domains) {
+        $Path = @(
+            if ($Type -contains 'All') {
+                "\\$Domain\SYSVOL\$Domain"
+            }
+            if ($Type -contains 'Sysvol') {
+                "\\$Domain\SYSVOL\$Domain\policies"
+            }
+            if ($Type -contains 'NetLogon') {
+                "\\$Domain\NETLOGON"
+            }
+        )
+        # Order does matter
+        $Folders = [ordered] @{
+            "\\$Domain\SYSVOL\$Domain\policies\PolicyDefinitions" = @{
+                Name = 'SYSVOL PolicyDefinitions'
+            }
+            "\\$Domain\SYSVOL\$Domain\policies"                   = @{
+                Name = 'SYSVOL Policies'
+            }
+            "\\$Domain\SYSVOL\$Domain\scripts"                    = @{
+                Name = 'NETLOGON Scripts'
+            }
+            "\\$Domain\SYSVOL\$Domain\StarterGPOs"                = @{
+                Name = 'SYSVOL GPO Starters'
+            }
+            "\\$Domain\NETLOGON"                                  = @{
+                Name = 'NETLOGON Scripts'
+            }
+            "\\$Domain\SYSVOL\$Domain\DfsrPrivate"                = @{
+                Name = 'DfsrPrivate'
+            }
+            "\\$Domain\SYSVOL\$Domain"                            = @{
+                Name = 'SYSVOL Root'
+            }
+        }
+        Get-ChildItem -Path $Path -ErrorAction SilentlyContinue -Recurse -ErrorVariable err -File -Force | ForEach-Object {
+            # Lets reset values just to be sure those are empty
+            $GPO = $null
+            $BelongsToGPO = $false
+            $GPODisplayName = $null
+            $SuggestedAction = $null
+            $SuggestedActionComment = $null
+            $FileType = foreach ($Key in $Folders.Keys) {
+                if ($_.FullName -like "$Key*") {
+                    $Folders[$Key]
+                    break
+                }
+            }
+            if ($FileType.Name -eq 'SYSVOL Policies') {
+                $FoundGUID = $_.FullName -match '[\da-zA-Z]{8}-([\da-zA-Z]{4}-){3}[\da-zA-Z]{12}'
+                if ($FoundGUID) {
+                    $GPO = $GPOCache[$Domain][$matches[0]]
+                    if ($GPO) {
+                        $BelongsToGPO = $true
+                        $GPODisplayName = $GPO.DisplayName
+                    }
+                }
+                $Correct = @(
+                    [System.IO.Path]::Combine($GPO.Path, 'GPT.INI')
+                    [System.IO.Path]::Combine($GPO.Path, 'GPO.cmt')
+                    [System.IO.Path]::Combine($GPO.Path, 'Group Policy', 'GPE.ini')
+                    foreach ($TypeM in @('Machine', 'User')) {
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Registry.pol')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'comment.cmtx')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\Registry\Registry.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\Printers\Printers.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\ScheduledTasks\ScheduledTasks.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\Services\Services.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\Groups\Groups.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\RegionalOptions\RegionalOptions.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\FolderOptions\FolderOptions.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\Drives\Drives.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\InternetSettings\InternetSettings.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\Folders\Folders.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\PowerOptions\PowerOptions.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\Shortcuts\Shortcuts.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\Files\Files.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\EnvironmentVariables\EnvironmentVariables.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\NetworkOptions\NetworkOptions.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\DataSources\DataSources.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\NetworkShares\NetworkShares.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Preferences\StartMenuTaskbar\StartMenuTaskbar.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Applications\Microsoft\TBLayout.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Applications\Microsoft\DefaultApps.xml')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Applications\ADE.CFG')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Scripts\scripts.ini')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Scripts\psscripts.ini')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Documents & Settings\fdeploy.ini')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Documents & Settings\fdeploy1.ini')
+                        [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Documents & Settings\fdeploy2.ini')
+                        if ($_.Extension -eq '.aas') {
+                            [System.IO.Path]::Combine($GPO.Path, $TypeM, 'Applications', $_.Name)
+                        }
+                    }
+                    [System.IO.Path]::Combine($GPO.Path, 'Machine\Microsoft\Windows NT\SecEdit\GptTmpl.inf')
+                    [System.IO.Path]::Combine($GPO.Path, 'Machine\Microsoft\Windows NT\Audit\audit.csv')
+                )
+                if ($GPO) {
+                    if ($_.FullName -in $Correct) {
+                        $SuggestedAction = 'Skip assesment'
+                        $SuggestedActionComment = 'Correctly placed in SYSVOL'
+                    } elseif ($_.FullName -like '*_NTFRS_*') {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'Most likely replication error'
+                    } elseif ($_.Extension -eq '.adm') {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'Most likely legacy ADM files'
+                    }
+                    if (-not $SuggestedAction) {
+                        $FullPathAdmFiles = [System.IO.Path]::Combine($GPO.Path, 'Adm\admfiles.ini')
+                        if ($_.FullName -eq $FullPathAdmFiles) {
+                            $SuggestedAction = 'Consider deleting'
+                            $SuggestedActionComment = 'Most likely legacy ADM files settings file'
+                        }
+                    }
+                    if (-not $SuggestedAction) {
+                        foreach ($Ext in @('*old*', '*bak*', '*bck', '.new')) {
+                            if ($_.Extension -like $Ext) {
+                                $SuggestedAction = 'Consider deleting'
+                                $SuggestedActionComment = 'Most likely backup files'
+                                break
+                            }
+                        }
+                    }
+                    if (-not $SuggestedAction) {
+                        <#
+                        $IEAK = @(
+                            'microsoft\IEAK\install.ins'
+                            'MICROSOFT\IEAK\BRANDING\cs\connect.ras'
+                            'microsoft\IEAK\BRANDING\cs\connect.set'
+                            'microsoft\IEAK\BRANDING\cs\cs.dat'
+                            'microsoft\IEAK\BRANDING\ADM\inetcorp.iem'
+                            'microsoft\IEAK\BRANDING\ADM\inetcorp.inf'
+                            'microsoft\IEAK\install.ins'
+                            'microsoft\IEAK\BRANDING\favs\Outlook.ico'
+                            'microsoft\IEAK\BRANDING\favs\Bio.ico'
+                            'MICROSOFT\IEAK\BRANDING\favs\$fi380.ico'
+                            'microsoft\IEAK\BRANDING\PROGRAMS\programs.inf'
+                            'MICROSOFT\IEAK\BRANDING\RATINGS\ratings.inf'
+                            'MICROSOFT\IEAK\BRANDING\RATINGS\ratrsop.inf'
+                            'microsoft\IEAK\BRANDING\ZONES\seczones.inf'
+                            'microsoft\IEAK\BRANDING\ZONES\seczrsop.inf'
+                            'microsoft\IEAK\BRANDING\ZONES\seczrsop.inf'
+                        )
+                        #>
+                        if ($_.FullName -like '*microsoft\IEAK*') {
+                            # https://docs.microsoft.com/en-us/internet-explorer/ie11-deploy-guide/missing-internet-explorer-maintenance-settings-for-ie11#:~:text=The%20Internet%20Explorer%20Maintenance%20(IEM,Internet%20Explorer%2010%20or%20newer.
+                            $SuggestedAction = 'GPO requires cleanup'
+                            $SuggestedActionComment = 'Internet Explorer Maintenance (IEM) is deprecated for IE 11'
+                        }
+                    }
+                } else {
+                    <#
+                    $FullPathAdmFiles = [System.IO.Path]::Combine($GPO.Path, 'Adm\admfiles.ini')
+                    if ($_.FullName -in $Correct) {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'Most likely orphaned SYSVOL GPO'
+                    } elseif ($_.Extension -eq '.adm') {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'Most likely orphaned SYSVOL GPO (legacy ADM files)'
+                    } elseif ($_.FullName -eq $FullPathAdmFiles) {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'Most likely orphaned SYSVOL GPO (legacy ADM files)'
+                    }
+                    #>
+                    $SuggestedAction = 'Consider deleting'
+                    $SuggestedActionComment = 'Most likely orphaned SYSVOL GPO'
+                }
+            } elseif ($FileType.Name -eq 'NETLOGON Scripts') {
+                foreach ($Ext in @('*old*', '*bak*', '*bck', '.new')) {
+                    if ($_.Extension -like $Ext) {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'Most likely backup files'
+                        break
+                    }
+                }
+                if (-not $SuggestedAction) {
+                    # We didn't find it in earlier check, lets go deeper
+                    if ($_.Extension.Length -gt 6 -and $_.Extension -notin @('.config', '.sites', '.ipsec')) {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'Extension longer then 5 chars'
+                    } elseif ($_.Extension -eq '') {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'No extension'
+                    }
+                }
+                if (-not $SuggestedAction) {
+                    foreach ($Name in @('*old*', '*bak*', '*bck*', '*Copy', '*backup*')) {
+                        if ($_.BaseName -like $Name) {
+                            $SuggestedAction = 'Consider deleting'
+                            $SuggestedActionComment = "FileName contains backup related names ($Name)"
+                            break
+                        }
+                    }
+                }
+                if (-not $SuggestedAction) {
+                    foreach ($FullName in @('*backup*', '*Delete*', '*Obsoleet*', '*Obsolete*', '*Archive*')) {
+                        if ($_.FullName -like $FullName) {
+                            $SuggestedAction = 'Consider deleting'
+                            $SuggestedActionComment = "Fullname contains backup related names ($FullName)"
+                            break
+                        }
+                    }
+                }
+                if (-not $SuggestedAction) {
+                    # We replace all letters leaving only numbers
+                    # We want to find if there is a date possibly
+                    $StrippedNumbers = $_.Name -replace "[^0-9]" , ''
+                    if ($StrippedNumbers.Length -gt 5) {
+                        $SuggestedAction = 'Consider deleting'
+                        $SuggestedActionComment = 'FileName contains over 5 numbers (date?)'
+                    }
+                }
+            } elseif ($FileType.Name -eq 'SYSVOL PolicyDefinitions') {
+                if ($_.Extension -in @('.admx', '.adml')) {
+                    $SuggestedAction = 'Skip assesment'
+                    $SuggestedActionComment = 'Most likely ADMX templates'
+                }
+            } elseif ($FileType.Name -eq 'SYSVOL GPO Starters') {
+                $FoundGUID = $_.FullName -match '[\da-zA-Z]{8}-([\da-zA-Z]{4}-){3}[\da-zA-Z]{12}'
+                if ($FoundGUID) {
+                    $GUID = $matches[0]
+                    $TemporaryStarterPath = "\\$Domain\SYSVOL\$Domain\StarterGPOs\{$GUID}"
+                    $Correct = @(
+                        [System.IO.Path]::Combine($TemporaryStarterPath, 'StarterGPO.tmplx')
+                        [System.IO.Path]::Combine($TemporaryStarterPath, 'en-US', 'StarterGPO.tmpll')
+                        foreach ($TypeM in @('Machine', 'User')) {
+                            [System.IO.Path]::Combine($TemporaryStarterPath, $TypeM, 'Registry.pol')
+                            [System.IO.Path]::Combine($TemporaryStarterPath, $TypeM, 'comment.cmtx')
+                        }
+                    )
+                    if ($_.FullName -in $Correct) {
+                        $SuggestedAction = 'Skip assesment'
+                        $SuggestedActionComment = 'Correctly placed in SYSVOL'
+                    }
+                }
+            } else {
+
+            }
+            if (-not $SuggestedAction) {
+                $SuggestedAction = 'Requires verification'
+                $SuggestedActionComment = 'Not able to auto asses'
+            }
+            if ($Limited) {
+                $MetaData = [ordered] @{
+                    LocationType           = $FileType.Name
+                    FullName               = $_.FullName
+                    #Name                   = $_.Name
+                    Extension              = $_.Extension
+                    SuggestedAction        = $SuggestedAction
+                    SuggestedActionComment = $SuggestedActionComment
+                    BelongsToGPO           = $BelongsToGPO
+                    GPODisplayName         = $GPODisplayName
+                    Attributes             = $_.Attributes
+                    CreationTime           = $_.CreationTime
+                    LastAccessTime         = $_.LastAccessTime
+                    LastWriteTime          = $_.LastWriteTime
+                }
+            } else {
+                $MetaData = Get-FileMetaData -File $_ -AsHashTable
+            }
+            if ($Signature) {
+                $DigitalSignature = Get-AuthenticodeSignature -FilePath $_.Fullname
+                $MetaData['SignatureStatus'] = $DigitalSignature.Status
+                $MetaData['IsOSBinary'] = $DigitalSignature.IsOSBinary
+                $MetaData['SignatureCertificateSubject'] = $DigitalSignature.SignerCertificate.Subject
+                if ($Extended) {
+                    $MetaData['SignatureCertificateIssuer'] = $DigitalSignature.SignerCertificate.Issuer
+                    $MetaData['SignatureCertificateSerialNumber'] = $DigitalSignature.SignerCertificate.SerialNumber
+                    $MetaData['SignatureCertificateNotBefore'] = $DigitalSignature.SignerCertificate.NotBefore
+                    $MetaData['SignatureCertificateNotAfter'] = $DigitalSignature.SignerCertificate.NotAfter
+                    $MetaData['SignatureCertificateThumbprint'] = $DigitalSignature.SignerCertificate.Thumbprint
+                }
+            }
+            if ($HashAlgorithm -ne 'None') {
+                $MetaData['ChecksumSHA256'] = (Get-FileHash -LiteralPath $_.FullName -Algorithm $HashAlgorithm).Hash
+            }
+            if ($AsHashTable) {
+                $MetaData
+            } else {
+                [PSCustomObject] $MetaData
+            }
+        }
+        foreach ($e in $err) {
+            Write-Warning "Get-GPOZaurrFiles - $($e.Exception.Message) ($($e.CategoryInfo.Reason))"
+        }
+    }
+}

Public/Get-GPOZaurrFilesPolicyDefinition.ps1

@@ -0,0 +1,96 @@
+function Get-GPOZaurrFilesPolicyDefinitions {
+    [cmdletbinding()]
+    param(
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation,
+
+        [switch] $Signature
+    )
+    $Output = [ordered] @{
+        FilesToDelete = [System.Collections.Generic.List[Object]]::new()
+    }
+    $ForestInformation = Get-WinADForestDetails -Extended -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
+    $FilesCache = @{}
+    foreach ($Domain in $ForestInformation.Domains) {
+        $Output[$Domain] = [ordered] @{}
+        $FilesCache[$Domain] = [ordered] @{}
+        $Directories = Get-ChildItem -Path "\\$Domain\SYSVOL\$Domain\policies\PolicyDefinitions" -Directory -ErrorAction SilentlyContinue -ErrorVariable err
+        [Array] $Languages = foreach ($Directory in $Directories) {
+            if ($Directory.BaseName.Length -eq 5) {
+                $Directory.BaseName
+            }
+        }
+        $Files = Get-ChildItem -Path "\\$Domain\SYSVOL\$Domain\policies\PolicyDefinitions" -ErrorAction SilentlyContinue -ErrorVariable +err -File #| Select-Object Name, FullName, CreationTime, LastWriteTime, Attributes
+        foreach ($File in $Files) {
+            $FilesCache[$Domain][$($File.BaseName)] = [ordered] @{
+                Name           = $File.BaseName
+                FullName       = $File.FullName
+                IsReadOnly     = $File.IsReadOnly
+                CreationTime   = $File.CreationTime
+                LastAccessTime = $File.LastAccessTime
+                LastWriteTime  = $File.LastWriteTime
+                IsConsistent   = $false
+            }
+            foreach ($Language in $Languages) {
+                $FilesCache[$Domain][$($File.BaseName)][$Language] = $false
+            }
+            if ($Signature) {
+                $DigitalSignature = Get-AuthenticodeSignature -FilePath $File.FullName
+                $FilesCache[$Domain][$($File.BaseName)]['SignatureStatus'] = $DigitalSignature.Status
+                $FilesCache[$Domain][$($File.BaseName)]['SignatureCertificateSubject'] = $DigitalSignature.SignerCertificate.Subject
+                $FilesCache[$Domain][$($File.BaseName)]['SignatureCertificateIssuer'] = $DigitalSignature.SignerCertificate.Issuer
+                $FilesCache[$Domain][$($File.BaseName)]['SignatureCertificateSerialNumber'] = $DigitalSignature.SignerCertificate.SerialNumber
+                $FilesCache[$Domain][$($File.BaseName)]['SignatureCertificateNotBefore'] = $DigitalSignature.SignerCertificate.NotBefore
+                $FilesCache[$Domain][$($File.BaseName)]['SignatureCertificateNotAfter'] = $DigitalSignature.SignerCertificate.NotAfter
+                $FilesCache[$Domain][$($File.BaseName)]['SignatureCertificateThumbprint'] = $DigitalSignature.SignerCertificate.Thumbprint
+                $FilesCache[$Domain][$($File.BaseName)]['IsOSBinary'] = $DigitalSignature.IsOSBinary
+            }
+        }
+        foreach ($Directory in $Directories) {
+            $FilesLanguage = Get-ChildItem -Path $Directory.FullName -ErrorAction SilentlyContinue -ErrorVariable +err
+            foreach ($FileLanguage in $FilesLanguage) {
+                if ($FileLanguage.Extension -eq '.adml') {
+                    if ($FilesCache[$Domain][$FileLanguage.BaseName]) {
+                        $FilesCache[$Domain][$FileLanguage.BaseName][$Directory.Name] = $true
+                    } else {
+                        #Write-Warning "Get-GPOZaurrFilesPolicyDefinitions - File $($FileLanguage.FullName) doesn't have a match."
+                        $Output.FilesToDelete.Add(
+                            [PSCustomobject] @{
+                                Name           = $FileLanguage.BaseName
+                                FullName       = $FileLanguage.FullName
+                                IsReadOnly     = $FileLanguage.IsReadOnly
+                                CreationTime   = $FileLanguage.CreationTime
+                                LastAccessTime = $FileLanguage.LastAccessTime
+                                LastWriteTime  = $FileLanguage.LastWriteTime
+                            }
+                        )
+                    }
+                } else {
+
+                }
+            }
+        }
+
+        foreach ($e in $err) {
+            Write-Warning "Get-GPOZaurrLegacy - $($e.Exception.Message) ($($e.CategoryInfo.Reason))"
+        }
+        $ExcludeProperty = @(
+            'Name', 'FullName', 'IsReadOnly', 'CreationTime', 'LastAccessTime', 'LastWriteTime', 'IsConsistent'
+            'SignatureCertificateSubject', 'SignatureCertificateIssuer', 'SignatureCertificateSerialNumber', 'SignatureCertificateNotBefore'
+            'SignatureCertificateNotAfter', 'SignatureCertificateThumbprint', 'SignatureStatus', 'IsOSBinary'
+        )
+        $Properties = Select-Properties -Objects $FilesCache[$Domain][0] -ExcludeProperty $ExcludeProperty
+        $Output[$Domain] = foreach ($File in $FilesCache[$Domain].Keys) {
+            $Values = foreach ($Property in $Properties) {
+                $FilesCache[$Domain][$File][$Property]
+            }
+            if ($Values -notcontains $false) {
+                $FilesCache[$Domain][$File]['IsConsistent'] = $true
+            }
+            [PSCustomObject] $FilesCache[$Domain][$File]
+        }
+    }
+    $Output
+}

Public/Get-GPOZaurrFolders.ps1

@@ -0,0 +1,140 @@
+function Get-GPOZaurrFolders {
+    [cmdletBinding()]
+    param(
+        [ValidateSet('All', 'Netlogon', 'Sysvol')][string[]] $Type = 'All',
+        [ValidateSet('All', 'NTFRS', 'Empty')][string] $FolderType = 'All',
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation,
+        [switch] $AsHashTable
+    )
+    $ForestInformation = Get-WinADForestDetails -Extended -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
+    foreach ($Domain in $ForestInformation.Domains) {
+        $Path = @(
+            if ($Type -contains 'All') {
+                "\\$Domain\SYSVOL\$Domain"
+            }
+            if ($Type -contains 'Sysvol') {
+                "\\$Domain\SYSVOL\$Domain\policies"
+            }
+            if ($Type -contains 'NetLogon') {
+                "\\$Domain\NETLOGON"
+            }
+        )
+        # Order does matter
+        $Folders = [ordered] @{
+            "\\$Domain\SYSVOL\$Domain\policies\PolicyDefinitions" = @{
+                Name = 'SYSVOL PolicyDefinitions'
+            }
+            "\\$Domain\SYSVOL\$Domain\policies"                   = @{
+                Name = 'SYSVOL Policies'
+            }
+            "\\$Domain\SYSVOL\$Domain\scripts"                    = @{
+                Name = 'NETLOGON Scripts'
+            }
+            "\\$Domain\SYSVOL\$Domain\StarterGPOs"                = @{
+                Name = 'SYSVOL GPO Starters'
+            }
+            "\\$Domain\NETLOGON"                                  = @{
+                Name = 'NETLOGON Scripts'
+            }
+            "\\$Domain\SYSVOL\$Domain\DfsrPrivate"                = @{
+                Name = 'DfsrPrivate'
+            }
+            "\\$Domain\SYSVOL\$Domain"                            = @{
+                Name = 'SYSVOL Root'
+            }
+        }
+        $Exclusions = @{
+            DfsrPrivate                = @{
+                ConflictAndDeleted = $true
+                Deleted            = $true
+                Installing         = $true
+            }
+            'SYSVOL Policies'          = @{
+                User    = $true
+                Machine = $true
+            }
+            'NETLOGON Scripts'         = @{
+
+            }
+            'SYSVOL Root'              = @{
+
+            }
+            'SYSVOL GPO Starters'      = @{
+
+            }
+            'SYSVOL PolicyDefinitions' = @{
+
+            }
+        }
+
+        Get-ChildItem -Path $Path -ErrorAction SilentlyContinue -Recurse -ErrorVariable +err -Force -Directory | ForEach-Object {
+            $FileType = foreach ($Key in $Folders.Keys) {
+                if ($_.FullName -like "$Key*") {
+                    $Folders[$Key]
+                    break
+                }
+            }
+            $RootFolder = $Folders["$($_.FullName)"]
+            if ($RootFolder) {
+                $IsRootFolder = $true
+            } else {
+                $IsRootFolder = $false
+            }
+
+            $IsExcluded = $Exclusions["$($FileType.Name)"]["$($_.Name)"] -is [bool]
+            if ($IsRootFolder -and $IsExcluded -eq $false) {
+                $IsExcluded = $true
+            }
+
+            $FullFolder = Test-Path -Path "$($_.FullName)\*"
+            $BrokenReplicationRoot = $_.Name -like '*_NTFRS_*'
+            $BrokenReplicationChild = $_.FullName -like '*_NTFRS_*' -and $_.Name -notlike '*_NTFRS_*'
+            $BrokenReplication = $_.FullName -like '*_NTFRS_*'
+
+            $Object = [ordered] @{
+                FolderType               = $FileType.Name
+                FullName                 = $_.FullName
+                IsEmptyFolder            = -not $FullFolder
+                IsBrokenReplication      = $BrokenReplication
+                IsBrokenReplicationRoot  = $BrokenReplicationRoot
+                IsBrokenReplicationChild = $BrokenReplicationChild
+                IsRootFolder             = $IsRootFolder
+                IsExcluded               = $IsExcluded
+                Name                     = $_.Name
+                Root                     = $_.Root
+                Parent                   = $_.Parent
+                CreationTime             = $_.CreationTime
+                LastWriteTime            = $_.LastWriteTime
+                Attributes               = $_.Attributes
+                DomainName               = $Domain
+            }
+            if (-not $Object.IsExcluded) {
+                if ($FolderType -eq 'Empty' -and $Object.IsEmptyFolder -eq $true) {
+                    if ($AsHashTable) {
+                        $Object
+                    } else {
+                        [PSCustomObject] $Object
+                    }
+                } elseif ($FolderType -eq 'NTFRS' -and $Object.IsBrokenReplicationRoot -eq $true) {
+                    if ($AsHashTable) {
+                        $Object
+                    } else {
+                        [PSCustomObject] $Object
+                    }
+                } elseif ($FolderType -eq 'All') {
+                    if ($AsHashTable) {
+                        $Object
+                    } else {
+                        [PSCustomObject] $Object
+                    }
+                }
+            }
+        }
+    }
+    foreach ($e in $err) {
+        Write-Warning "Get-GPOZaurrFolders - $($e.Exception.Message) ($($e.CategoryInfo.Reason))"
+    }
+}

Public/Get-GPOZaurrLegacyFiles.ps1

@@ -8,7 +8,17 @@
     )
     $ForestInformation = Get-WinADForestDetails -Extended -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
     foreach ($Domain in $ForestInformation.Domains) {
-        Get-ChildItem -Path "\\$Domain\SYSVOL\$Domain\policies" -ErrorAction SilentlyContinue -Recurse -Include '*.adm' -ErrorVariable err | Select-Object Name, FullName, CreationTime, LastWriteTime, Attributes
+        Get-ChildItem -Path "\\$Domain\SYSVOL\$Domain\policies" -ErrorAction SilentlyContinue -Recurse -Include '*.adm', 'admfiles.ini' -ErrorVariable err -Force | ForEach-Object {
+            [PSCustomObject] @{
+                Name          = $_.Name
+                FullName      = $_.FullName
+                CreationTime  = $_.CreationTime
+                LastWriteTime = $_.LastWriteTime
+                Attributes    = $_.Attributes
+                DomainName    = $Domain
+                DirectoryName = $_.DirectoryName
+            }
+        }
         foreach ($e in $err) {
             Write-Warning "Get-GPOZaurrLegacy - $($e.Exception.Message) ($($e.CategoryInfo.Reason))"
         }

Public/Get-GPOZaurrLink.ps1

@@ -14,6 +14,11 @@
         [parameter(ParameterSetName = 'Linked')]
         [switch] $Limited,
 
+        [parameter(ParameterSetName = 'Filter')]
+        [parameter(ParameterSetName = 'ADObject')]
+        [parameter(ParameterSetName = 'Linked')]
+        [switch] $SkipDuplicates,
+
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
@@ -40,10 +45,13 @@
         [System.Collections.IDictionary] $ExtendedForestInformation
     )
     Begin {
+        $CacheReturnedGPOs = [ordered] @{}
         $ForestInformation = Get-WinADForestDetails -Extended -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
         if (-not $GPOCache -and -not $Limited) {
             $GPOCache = @{ }
-            foreach ($Domain in $ForestInformation.Domains) {
+            # While initially we used $ForestInformation.Domains but the thing is GPOs can be linked to other domains so we need to get them all so we can use cache of it later on even if we're processing just one domain
+            # That's why we use $ForestInformation.Forest.Domains instead
+            foreach ($Domain in $ForestInformation.Forest.Domains) {
                 $QueryServer = $ForestInformation['QueryServers'][$Domain]['HostName'][0]
                 Get-GPO -All -DomainName $Domain -Server $QueryServer | ForEach-Object {
                     $GPOCache["$Domain$($_.ID.Guid)"] = $_
@@ -69,8 +77,24 @@
                         #}
                         $Splat['Filter'] = "(objectClass -eq 'organizationalUnit')"
                         $Splat['SearchBase'] = $SearchBase
-                        Get-ADObject @Splat | ForEach-Object -Process {
-                            Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
+                        try {
+                            $ADObjectGPO = Get-ADObject @Splat
+                        } catch {
+                            Write-Warning "Get-GPOZaurrLink - Get-ADObject error $($_.Exception.Message)"
+                        }
+                        foreach ($_ in $ADObjectGPO) {
+                            $OutputGPOs = Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
+                            foreach ($OutputGPO in $OutputGPOs) {
+                                if (-not $SkipDuplicates) {
+                                    $OutputGPO
+                                } else {
+                                    $UniqueGuid = -join ($OutputGPO.DomainName, $OutputGPO.Guid)
+                                    if (-not $CacheReturnedGPOs[$UniqueGuid]) {
+                                        $CacheReturnedGPOs[$UniqueGuid] = $OutputGPO
+                                        $OutputGPO
+                                    }
+                                }
+                            }
                         }
                     }
                     if ($Linked -contains 'Root') {
@@ -81,8 +105,24 @@
                         # }
                         $Splat['Filter'] = "objectClass -eq 'domainDNS'"
                         $Splat['SearchBase'] = $SearchBase
-                        Get-ADObject @Splat | ForEach-Object -Process {
-                            Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
+                        try {
+                            $ADObjectGPO = Get-ADObject @Splat
+                        } catch {
+                            Write-Warning "Get-GPOZaurrLink - Get-ADObject error $($_.Exception.Message)"
+                        }
+                        foreach ($_ in $ADObjectGPO) {
+                            $OutputGPOs = Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
+                            foreach ($OutputGPO in $OutputGPOs) {
+                                if (-not $SkipDuplicates) {
+                                    $OutputGPO
+                                } else {
+                                    $UniqueGuid = -join ($OutputGPO.DomainName, $OutputGPO.Guid)
+                                    if (-not $CacheReturnedGPOs[$UniqueGuid]) {
+                                        $CacheReturnedGPOs[$UniqueGuid] = $OutputGPO
+                                        $OutputGPO
+                                    }
+                                }
+                            }
                         }
                     }
                     if ($Linked -contains 'Site') {
@@ -95,7 +135,12 @@
                             #}
                             $Splat['Filter'] = "(objectClass -eq 'site')"
                             $Splat['SearchBase'] = $SearchBase
-                            Get-ADObject @Splat | ForEach-Object -Process {
+                            try {
+                                $ADObjectGPO = Get-ADObject @Splat
+                            } catch {
+                                Write-Warning "Get-GPOZaurrLink - Get-ADObject error $($_.Exception.Message)"
+                            }
+                            foreach ($_ in $ADObjectGPO) {
                                 Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
                             }
                         }
@@ -108,13 +153,29 @@
                         #}
                         $Splat['Filter'] = "(objectClass -eq 'organizationalUnit')"
                         $Splat['SearchBase'] = $SearchBase
-                        Get-ADObject @Splat | ForEach-Object -Process {
+                        try {
+                            $ADObjectGPO = Get-ADObject @Splat
+                        } catch {
+                            Write-Warning "Get-GPOZaurrLink - Get-ADObject error $($_.Exception.Message)"
+                        }
+                        foreach ($_ in $ADObjectGPO) {
                             if ($_.DistinguishedName -eq $ForestInformation['DomainsExtended'][$Domain]['DistinguishedName']) {
                                 # other skips Domain Root
                             } elseif ($_.DistinguishedName -eq $ForestInformation['DomainsExtended'][$Domain]['DomainControllersContainer']) {
                                 # other skips Domain Controllers
                             } else {
-                                Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
+                                $OutputGPOs = Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
+                                foreach ($OutputGPO in $OutputGPOs) {
+                                    if (-not $SkipDuplicates) {
+                                        $OutputGPO
+                                    } else {
+                                        $UniqueGuid = -join ($OutputGPO.DomainName, $OutputGPO.Guid)
+                                        if (-not $CacheReturnedGPOs[$UniqueGuid]) {
+                                            $CacheReturnedGPOs[$UniqueGuid] = $OutputGPO
+                                            $OutputGPO
+                                        }
+                                    }
+                                }
                             }
                         }
                     }
@@ -129,7 +190,8 @@
                     }
                     if ($PSBoundParameters.ContainsKey('SearchBase')) {
                         $DomainDistinguishedName = $ForestInformation['DomainsExtended'][$Domain]['DistinguishedName']
-                        if ($SearchBase -notlike "*$DomainDistinguishedName") {
+                        $SearchBaseDC = ConvertFrom-DistinguishedName -DistinguishedName $SearchBase -ToDC
+                        if ($SearchBaseDC -ne $DomainDistinguishedName) {
                             # we check if SearchBase is part of domain distinugishname. If it isn't we skip
                             continue
                         }
@@ -141,11 +203,23 @@
                     }
 
                     try {
-                        Get-ADObject @Splat | ForEach-Object {
-                            Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
-                        }
+                        $ADObjectGPO = Get-ADObject @Splat
                     } catch {
-                        Write-Warning "Get-GPOZaurrLink - Processing error $($_.Exception.Message)"
+                        Write-Warning "Get-GPOZaurrLink - Get-ADObject error $($_.Exception.Message)"
+                    }
+                    foreach ($_ in $ADObjectGPO) {
+                        $OutputGPOs = Get-PrivGPOZaurrLink -Object $_ -Limited:$Limited.IsPresent -GPOCache $GPOCache
+                        foreach ($OutputGPO in $OutputGPOs) {
+                            if (-not $SkipDuplicates) {
+                                $OutputGPO
+                            } else {
+                                $UniqueGuid = -join ($OutputGPO.DomainName, $OutputGPO.Guid)
+                                if (-not $CacheReturnedGPOs[$UniqueGuid]) {
+                                    $CacheReturnedGPOs[$UniqueGuid] = $OutputGPO
+                                    $OutputGPO
+                                }
+                            }
+                        }
                     }
                 }
             }

Public/Get-GPOZaurrLinkSummary.ps1

@@ -0,0 +1,164 @@
+function Get-GPOZaurrLinkSummary {
+    [cmdletBinding()]
+    param(
+        [ValidateSet('All', 'MultipleLinks', 'OneLink', 'LinksSummary')][string[]] $Report = 'All',
+        [switch] $UnlimitedProperties,
+
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation
+    )
+    $HighestCount = 0 # to keep number of depth
+    $CacheSummaryLinks = [ordered] @{} # cache
+
+    # Get all links
+    $Links = Get-GPOZaurrLink -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
+    foreach ($Link in $Links) {
+        if (-not $CacheSummaryLinks["$($Link.DomainName)$($Link.Guid)"]) {
+            $CacheSummaryLinks["$($Link.DomainName)$($Link.Guid)"] = [System.Collections.Generic.List[System.Object]]::new()
+        }
+        $CacheSummaryLinks["$($Link.DomainName)$($Link.Guid)"].Add($Link)
+    }
+
+    $ReturnObject = [ordered] @{
+        MultipleLinks = [System.Collections.Generic.List[System.Object]]::new()
+        OneLink       = [System.Collections.Generic.List[System.Object]]::new()
+        LinksSummary  = [System.Collections.Generic.List[System.Object]]::new()
+    }
+
+    foreach ($Key in $CacheSummaryLinks.Keys) {
+        $GPOs = $CacheSummaryLinks[$Key]
+
+        [Array] $LinkingSummary = foreach ($GPO in $GPOs) {
+            $SplitttedOU = ($GPO.DistinguishedName -split ',')
+            [Array] $Clean = foreach ($_ in $SplitttedOU) {
+                if ($_ -notlike 'DC=*') { $_ -replace 'OU=' }
+            }
+            if ($Clean.Count -gt $HighestCount) {
+                $HighestCount = $Clean.Count
+            }
+            if ($Clean) {
+                $Test = [ordered] @{
+                    DisplayName = $GPO.DisplayName
+                    Guid        = $GPO.Guid
+                    DomainName  = $GPO.DomainName
+                    Level0      = ConvertFrom-DistinguishedName -DistinguishedName $GPO.DistinguishedName -ToDomainCN
+                }
+                for ($i = 1; $i -le 10; $i++) {
+                    $Test["Level$i"] = $Clean[ - $i]
+                }
+                [PSCustomobject] $Test
+            } else {
+                $Test = [ordered] @{
+                    DisplayName = $GPO.DisplayName
+                    Guid        = $GPO.Guid
+                    DomainName  = $GPO.DomainName
+                    Level0      = $GPO.CanonicalName
+                }
+                for ($i = 1; $i -le 10; $i++) {
+                    $Test["Level$i"] = $null
+                }
+                [PSCustomobject] $Test
+            }
+        }
+        if ($Report -contains 'MultipleLinks' -or $Report -contains 'All') {
+            foreach ($Link in $LinkingSummary) {
+                $ReturnObject.MultipleLinks.Add($Link)
+            }
+            #continue
+        }
+        if ($Report -eq 'OneLink' -or $Report -contains 'All') {
+            $List = [ordered] @{
+                DisplayName = $GPOs[0].DisplayName
+                Guid        = $GPOs[0].Guid
+                DomainName  = $GPOs[0].DomainName
+                LinksCount  = $GPOs.Count
+            }
+            for ($i = 0; $i -le 10; $i++) {
+                $List["Level$i"] = ($LinkingSummary."Level$i" | Select-Object -Unique).Count
+                $List["Level$($i)List"] = ($LinkingSummary."Level$i" | Select-Object -Unique)
+            }
+            $List.LinksDistinguishedName = $GPOs.DistinguishedName          # = Computers, OU = ITR02, DC = ad, DC = evotec, DC = xyz
+            $List.LinksCanonicalName = $GPOs.CanonicalName
+
+            $List.Owner = $GPOs[0].Owner                      #: EVOTEC\Domain Admins
+            $List.GpoStatus = $GPOs[0].GpoStatus                  #: AllSettingsEnabled
+            $List.Description = $GPOs[0].Description                #:
+            $List.CreationTime = $GPOs[0].CreationTime               #: 16.12.2019 21:25:32
+            $List.ModificationTime = $GPOs[0].ModificationTime           #: 30.05.2020 19:12:58
+            $List.GPODomainDistinguishedName = $GPOs[0].GPODomainDistinguishedName #: DC = ad, DC = evotec, DC = xyz
+            $List.GPODistinguishedName = $GPOs[0].GPODistinguishedName       #: cn = { AA782787 - 002B-4B8C-886F-05873F2DC0CA }, cn = policies, cn = system, DC = ad, DC = evotec, DC = xy
+
+            $ReturnObject.OneLink.Add( [PSCustomObject] $List)
+        }
+        if ($Report -eq 'LinksSummary' -or $Report -contains 'All') {
+            $Output = [PSCustomObject] @{
+                DisplayName                = $GPOs[0].DisplayName                #: COMPUTERS | LAPS
+                Guid                       = $GPOs[0].Guid                       #: AA782787 - 002B-4B8C-886F-05873F2DC0CA
+                DomainName                 = $GPOs[0].DomainName                 #: ad.evotec.xyz
+                LinksCount                 = $GPOs.Count
+                LinksDistinguishedName     = $GPOs.DistinguishedName          # = Computers, OU = ITR02, DC = ad, DC = evotec, DC = xyz
+                LinksCanonicalName         = $GPOs.CanonicalName              #: ad.evotec.xyz / ITR02 / Computers
+                Owner                      = $GPOs[0].Owner                      #: EVOTEC\Domain Admins
+                GpoStatus                  = $GPOs[0].GpoStatus                  #: AllSettingsEnabled
+                Description                = $GPOs[0].Description                #:
+                CreationTime               = $GPOs[0].CreationTime               #: 16.12.2019 21:25:32
+                ModificationTime           = $GPOs[0].ModificationTime           #: 30.05.2020 19:12:58
+                GPODomainDistinguishedName = $GPOs[0].GPODomainDistinguishedName #: DC = ad, DC = evotec, DC = xyz
+                GPODistinguishedName       = $GPOs[0].GPODistinguishedName       #: cn = { AA782787 - 002B-4B8C-886F-05873F2DC0CA }, cn = policies, cn = system, DC = ad, DC = evotec, DC = xy
+            }
+            $ReturnObject.LinksSummary.Add($Output)
+        }
+    }
+    # Processing output
+    if (-not $UnlimitedProperties) {
+        if ($Report -contains 'MultipleLinks' -or $Report -contains 'All') {
+            $Properties = @(
+                'DisplayName'
+                'DomainName'
+                'GUID'
+                for ($i = 0; $i -le $HighestCount; $i++) {
+                    "Level$i"
+                }
+                'Owner'
+                'GpoStatus'
+                'Description'
+                'CreationTime'
+                'ModificationTime'
+                'GPODomainDistinguishedName'
+                'GPODistinguishedName'
+            )
+            $ReturnObject.MultipleLinks = $ReturnObject.MultipleLinks | Select-Object -Property $Properties
+        }
+        if ($Report -contains 'OneLink' -or $Report -contains 'All') {
+            $Properties = @(
+                'DisplayName'
+                'DomainName'
+                'GUID'
+                for ($i = 0; $i -le $HighestCount; $i++) {
+                    "Level$i"
+                    "Level$($i)List"
+                }
+                'LinksDistinguishedName'
+                'LinksCanonicalName'
+                'Owner'
+                'GpoStatus'
+                'Description'
+                'CreationTime'
+                'ModificationTime'
+                'GPODomainDistinguishedName'
+                'GPODistinguishedName'
+            )
+            $ReturnObject.OneLink = $ReturnObject.OneLink | Select-Object -Property $Properties
+        }
+        #if ($Report -contains 'LinksSummary' -or $Report -contains 'All') {
+        # Not needed because there's no dynamic properties, but if there would be we need to uncomment and fix it
+        #}
+    }
+    if ($Report.Count -eq 1 -and $Report -notcontains 'All') {
+        $ReturnObject["$Report"]
+    } else {
+        $ReturnObject
+    }
+}

Public/Get-GPOZaurrPermission.ps1

@@ -71,6 +71,7 @@
                     Server      = $QueryServer
                     ErrorAction = 'SilentlyContinue'
                 }
+                $TextForError = "Error running Get-GPO (QueryServer: $QueryServer / Domain: $Domain / Name: $GPOName) with:"
             } elseif ($GPOGuid) {
                 $getGPOSplat = @{
                     Guid        = $GPOGuid
@@ -78,6 +79,7 @@
                     Server      = $QueryServer
                     ErrorAction = 'SilentlyContinue'
                 }
+                $TextForError = "Error running Get-GPO (QueryServer: $QueryServer / Domain: $Domain / GUID: $GPOGuid) with:"
             } else {
                 $getGPOSplat = @{
                     All         = $true
@@ -85,48 +87,58 @@
                     Server      = $QueryServer
                     ErrorAction = 'SilentlyContinue'
                 }
+                $TextForError = "Error running Get-GPO (QueryServer: $QueryServer / Domain: $Domain / All: $True) with:"
             }
-            Get-GPO @getGPOSplat | ForEach-Object -Process {
-                $GPOSecurity = $_.GetSecurityInfo()
-                $getPrivPermissionSplat = @{
-                    Principal                 = $Principal
-                    PrincipalType             = $PrincipalType
-                    PermitType                = $PermitType
-                    Accounts                  = $Accounts
-                    Type                      = $Type
-                    GPO                       = $_
-                    SkipWellKnown             = $SkipWellKnown.IsPresent
-                    SkipAdministrative        = $SkipAdministrative.IsPresent
-                    IncludeOwner              = $IncludeOwner.IsPresent
-                    IncludeGPOObject          = $IncludeGPOObject.IsPresent
-                    IncludePermissionType     = $IncludePermissionType
-                    ExcludePermissionType     = $ExcludePermissionType
-                    ExcludePrincipal          = $ExcludePrincipal
-                    ExcludePrincipalType      = $ExcludePrincipalType
-                    ADAdministrativeGroups    = $ADAdministrativeGroups
-                    ExtendedForestInformation = $ForestInformation
-                    SecurityRights            = $GPOSecurity
-                }
-                $Output = Get-PrivPermission @getPrivPermissionSplat
-                if (-not $Output) {
-                    if ($ReturnSecurityWhenNoData) {
-                        # there is no data to return, but we need to have GPO information to process ADD permissions.
-                        $ReturnObject = [PSCustomObject] @{
-                            DisplayName      = $_.DisplayName #      : ALL | Enable RDP
-                            GUID             = $_.ID
-                            DomainName       = $_.DomainName  #      : ad.evotec.xyz
-                            Enabled          = $_.GpoStatus
-                            Description      = $_.Description
-                            CreationDate     = $_.CreationTime
-                            ModificationTime = $_.ModificationTime
-                            GPOObject        = $_
-                            GPOSecurity      = $GPOSecurity
-                        }
-                        $ReturnObject
+            Try {
+                Get-GPO @getGPOSplat | ForEach-Object -Process {
+                    $GPOSecurity = $_.GetSecurityInfo()
+                    $getPrivPermissionSplat = @{
+                        Principal                 = $Principal
+                        PrincipalType             = $PrincipalType
+                        PermitType                = $PermitType
+                        Accounts                  = $Accounts
+                        Type                      = $Type
+                        GPO                       = $_
+                        SkipWellKnown             = $SkipWellKnown.IsPresent
+                        SkipAdministrative        = $SkipAdministrative.IsPresent
+                        IncludeOwner              = $IncludeOwner.IsPresent
+                        IncludeGPOObject          = $IncludeGPOObject.IsPresent
+                        IncludePermissionType     = $IncludePermissionType
+                        ExcludePermissionType     = $ExcludePermissionType
+                        ExcludePrincipal          = $ExcludePrincipal
+                        ExcludePrincipalType      = $ExcludePrincipalType
+                        ADAdministrativeGroups    = $ADAdministrativeGroups
+                        ExtendedForestInformation = $ForestInformation
+                        SecurityRights            = $GPOSecurity
+                    }
+                    try {
+                        $Output = Get-PrivPermission @getPrivPermissionSplat
+                    } catch {
+                        $Output = $null
+                        Write-Warning "Get-GPOZaurrPermission - Error running Get-PrivPermission: $($_.Exception.Message)"
+                    }
+                    if (-not $Output) {
+                        if ($ReturnSecurityWhenNoData) {
+                            # there is no data to return, but we need to have GPO information to process ADD permissions.
+                            $ReturnObject = [PSCustomObject] @{
+                                DisplayName      = $_.DisplayName #      : ALL | Enable RDP
+                                GUID             = $_.ID
+                                DomainName       = $_.DomainName  #      : ad.evotec.xyz
+                                Enabled          = $_.GpoStatus
+                                Description      = $_.Description
+                                CreationDate     = $_.CreationTime
+                                ModificationTime = $_.ModificationTime
+                                GPOObject        = $_
+                                GPOSecurity      = $GPOSecurity
+                            }
+                            $ReturnObject
+                        }
+                    } else {
+                        $Output
                     }
-                } else {
-                    $Output
                 }
+            } catch {
+                Write-Warning "Get-GPOZaurrPermission - $TextForError $($_.Exception.Message)"
             }
         }
     }

Public/Get-GPOZaurrSysvolDFSR.ps1

@@ -0,0 +1,34 @@
+function Get-GPOZaurrSysvolDFSR {
+    [cmdletBinding()]
+    param(
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation,
+        [string] $SearchDFSR = 'SYSVOL Share'
+    )
+    $ForestInformation = Get-WinADForestDetails -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
+    foreach ($Domain in $ForestInformation.Domains) {
+        Write-Verbose "Get-GPOZaurrSysvolDFSR - Processing $Domain"
+        $QueryServer = $ForestInformation['QueryServers']["$Domain"].HostName[0]
+
+        $DFSRConfig = Get-CimInstance -Namespace 'root\microsoftdfs' -Class 'dfsrreplicatedfolderconfig' -ComputerName $QueryServer | Where-Object { $_.ReplicatedFolderName -eq $SearchDFSR }
+        $DFSR = Get-CimInstance -Namespace 'root\microsoftdfs' -Class 'dfsrreplicatedfolderinfo' -ComputerName $QueryServer | Where-Object { $_.ReplicatedFolderName -eq $SearchDFSR }
+        if ($DFSR -and $DFSRConfig -and ($DFSR.ReplicatedFolderGuid -eq $DFSRConfig.ReplicatedFolderGuid)) {
+            [PSCustomObject] @{
+                ComputerName             = $DFSR.PSComputerName
+                DomainName               = $Domain
+                ConflictPath             = $DFSRConfig.ConflictPath
+                LastConflictCleanupTime  = $DFSR.LastConflictCleanupTime
+                CurrentConflictSizeInMb  = $DFSR.CurrentConflictSizeInMb
+                MaximumConflictSizeInMb  = $DFSRConfig.ConflictSizeInMb
+                LastErrorCode            = $DFSR.LastErrorCode
+                LastErrorMessageId       = $DFSR.LastErrorMessageId
+                LastTombstoneCleanupTime = $DFSR.LastTombstoneCleanupTime
+                ReplicatedFolderGuid     = $DFSR.ReplicatedFolderGuid
+                DFSRConfig               = $DFSRConfig
+                DFSR                     = $DFSR
+            }
+        }
+    }
+}

Public/Get-GPOZaurrWmi.ps1

@@ -1,11 +1,4 @@
-function Get-WMIFilter {
-    param(
-
-    )
-
-}
-
-function Get-GPOZaurrWMI {
+function Get-GPOZaurrWMI {
     [cmdletBinding()]
     Param(
         [Guid[]] $Guid,
@@ -15,7 +8,7 @@ function Get-GPOZaurrWMI {
         [alias('Domain', 'Domains')][string[]] $IncludeDomains,
         [System.Collections.IDictionary] $ExtendedForestInformation
     )
-    $wmiFilterAttr = "msWMI-Name", "msWMI-Parm1", "msWMI-Parm2", "msWMI-Author", "msWMI-ID", 'CanonicalName', 'Created', 'Modified'
+    $wmiFilterAttr = 'msWMI-Name', 'msWMI-Parm1', 'msWMI-Parm2', 'msWMI-Author', 'msWMI-ID', 'CanonicalName', 'Created', 'Modified'
 
     $ForestInformation = Get-WinADForestDetails -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
     foreach ($Domain in $ForestInformation.Domains) {
@@ -41,7 +34,7 @@ function Get-GPOZaurrWMI {
                 }
             } else {
                 try {
-                    $ldapFilter = "(objectClass=msWMI-Som)"
+                    $ldapFilter = '(objectClass=msWMI-Som)'
                     Get-ADObject -LDAPFilter $ldapFilter -Properties $wmiFilterAttr -Server $QueryServer
                 } catch {
                     Write-Warning "Get-GPOZaurrWMI - Error processing WMI for $Domain`: $($_.Error.Exception)"
@@ -66,7 +59,7 @@ function Get-GPOZaurrWMI {
                 #NameSpace         = $WMI[$i + 5]
                 #Query             = $WMI[$i + 6]
                 QueryCount        = $Data.Count
-                Query             = $Data -join ","
+                Query             = $Data -join ','
                 Author            = $_.'msWMI-Author'
                 ID                = $_.'msWMI-ID'
                 Created           = $_.Created

Public/Invoke-GPOZaurr.ps1

@@ -0,0 +1,221 @@
+function Invoke-GPOZaurr {
+    [alias('Find-GPO')]
+    [cmdletBinding(DefaultParameterSetName = 'Default')]
+    param(
+        [Parameter(ParameterSetName = 'Default')][alias('ForestName')][string] $Forest,
+        [Parameter(ParameterSetName = 'Default')][string[]] $ExcludeDomains,
+        [Parameter(ParameterSetName = 'Default')][alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [Parameter(ParameterSetName = 'Default')][System.Collections.IDictionary] $ExtendedForestInformation,
+
+        [Parameter(ParameterSetName = 'Local')][string] $GPOPath,
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [string[]] $Type,
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [string] $Splitter = [System.Environment]::NewLine,
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [switch] $FullObjects,
+
+        <#
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [ValidateSet('HTML', 'Object', 'Excel')][string[]] $OutputType = 'Object',
+
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [string] $OutputPath,
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [switch] $Open,
+        #>
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [switch] $CategoriesOnly,
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [switch] $SingleObject,
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [switch] $SkipNormalize,
+
+        [Parameter(ParameterSetName = 'Default')]
+        [Parameter(ParameterSetName = 'Local')]
+        [switch] $SkipCleanup
+    )
+    if ($Type.Count -eq 0) {
+        $Type = $Script:GPODitionary.Keys
+    }
+    if ($GPOPath) {
+        if (Test-Path -LiteralPath $GPOPath) {
+            $GPOFiles = Get-ChildItem -LiteralPath $GPOPath -Recurse -File -Filter *.xml
+            [Array] $GPOs = foreach ($File in $GPOFiles) {
+                if ($File.Name -ne 'GPOList.xml') {
+                    try {
+                        [xml] $GPORead = Get-Content -LiteralPath $File.FullName
+                    } catch {
+                        Write-Warning "Invoke-GPOZaurr - Couldn't process $($File.FullName) error: $($_.Exception.message)"
+                        continue
+                    }
+                    [PSCustomObject] @{
+                        DisplayName = $GPORead.GPO.Name
+                        DomainName  = $GPORead.GPO.Identifier.Domain.'#text'
+                        GUID        = $GPORead.GPO.Identifier.Identifier.'#text' -replace '{' -replace '}'
+                        GPOOutput   = $GPORead
+                    }
+                }
+            }
+        } else {
+            Write-Warning "Invoke-GPOZaurr - $GPOPath doesn't exists."
+            return
+        }
+    } else {
+        [Array] $GPOs = Get-GPOZaurrAD -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
+    }
+    # This caches single reports.
+    $TemporaryCachedSingleReports = [ordered] @{}
+    $TemporaryCachedSingleReports['ReportsSingle'] = [ordered] @{}
+    # This will be returned
+    $Output = [ordered] @{}
+    $Output['Reports'] = [ordered] @{}
+    $Output['CategoriesFull'] = [ordered] @{}
+
+    [Array] $GPOCategories = foreach ($GPO in $GPOs) {
+        if ($GPOPath) {
+            $GPOOutput = $GPO.GPOOutput
+        } else {
+            [xml] $GPOOutput = Get-GPOReport -Guid $GPO.GUID -Domain $GPO.DomainName -ReportType Xml
+        }
+        Get-GPOCategories -GPO $GPO -GPOOutput $GPOOutput.GPO -Splitter $Splitter -FullObjects:$FullObjects -CachedCategories $Output['CategoriesFull']
+    }
+    $Output['Categories'] = $GPOCategories | Select-Object -Property * -ExcludeProperty DataSet
+    if ($CategoriesOnly) {
+        # Return Categories only
+        return $Output['Categories']
+    }
+    # We check our dictionary for reports that are based on reports to make sure we run CodeSingle separatly
+    [Array] $FindRequiredSingle = foreach ($Key in $Script:GPODitionary.Keys) {
+        $Script:GPODitionary[$Key].ByReports.Report
+    }
+    # Build reports based on categories
+    if ($Output['CategoriesFull'].Count -gt 0) {
+        foreach ($Report in $Type) {
+            foreach ($CategoryType in $Script:GPODitionary[$Report].Types) {
+                $Category = $CategoryType.Category
+                $Settings = $CategoryType.Settings
+                # Those are checks for making sure we have data to be even able to process it
+                if (-not $Output['CategoriesFull'][$Category]) {
+                    continue
+                }
+                if (-not $Output['CategoriesFull'][$Category][$Settings]) {
+                    continue
+                }
+                # Translation
+                $CategorizedGPO = $Output['CategoriesFull'][$Category][$Settings]
+                foreach ($GPO in $CategorizedGPO) {
+                    if (-not $Output['Reports'][$Report]) {
+                        $Output['Reports'][$Report] = [System.Collections.Generic.List[PSCustomObject]]::new()
+                    }
+                    # Create temporary storage for "single gpo" reports
+                    # it's required if we want to base reports on other reports later on
+                    if (-not $TemporaryCachedSingleReports['ReportsSingle'][$Report]) {
+                        $TemporaryCachedSingleReports['ReportsSingle'][$Report] = [System.Collections.Generic.List[PSCustomObject]]::new()
+                    }
+                    # Make sure translated gpo is null
+                    $TranslatedGpo = $null
+                    if ($SingleObject -or ($Report -in $FindRequiredSingle)) {
+                        # We either create 1 GPO with multiple settings to return it as user requested it
+                        # Or we process it only because we need to base it for reports based on other reports
+                        if (-not $Script:GPODitionary[$Report]['CodeSingle']) {
+                            # sometimes code and code single are identical. To not define things two times, one can just skip it
+                            If ($Script:GPODitionary[$Report]['Code']) {
+                                $Script:GPODitionary[$Report]['CodeSingle'] = $Script:GPODitionary[$Report]['Code']
+                            }
+                        }
+                        if ($Script:GPODitionary[$Report]['CodeSingle']) {
+                            $TranslatedGpo = Invoke-Command -ScriptBlock $Script:GPODitionary[$Report]['CodeSingle']
+                            if ($Report -in $FindRequiredSingle) {
+                                foreach ($T in $TranslatedGpo) {
+                                    $TemporaryCachedSingleReports['ReportsSingle'][$Report].Add($T)
+                                }
+                            }
+                            if ($SingleObject) {
+                                foreach ($T in $TranslatedGpo) {
+                                    $Output['Reports'][$Report].Add($T)
+                                }
+                            }
+                        }
+                    }
+                    if (-not $SingleObject) {
+                        # We want each GPO to be listed multiple times if it makes sense for reporting
+                        # think drive mapping - showing 1 mapping of a drive per object even if there are 50 drive mappings within 1 gpo
+                        # this would result in 50 objects created
+                        if ($Script:GPODitionary[$Report]['Code']) {
+                            $TranslatedGpo = Invoke-Command -ScriptBlock $Script:GPODitionary[$Report]['Code']
+                            foreach ($T in $TranslatedGpo) {
+                                $Output['Reports'][$Report].Add($T)
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    # Those reports are based on other reports (for example already processed registry settings)
+    # This is useful where going thru registry collections may not be efficient enough to try and read it directly again
+    foreach ($Report in $Type) {
+        foreach ($ReportType in $Script:GPODitionary[$Report].ByReports) {
+            if (-not $Output['Reports'][$Report]) {
+                $Output['Reports'][$Report] = [System.Collections.Generic.List[PSCustomObject]]::new()
+            }
+            $FindReport = $ReportType.Report
+            foreach ($GPO in $TemporaryCachedSingleReports['ReportsSingle'][$FindReport]) {
+                $TranslatedGpo = Invoke-Command -ScriptBlock $Script:GPODitionary[$Report]['CodeReport']
+                foreach ($T in $TranslatedGpo) {
+                    $Output['Reports'][$Report].Add($T)
+                }
+            }
+        }
+    }
+    # Normalize - meaning that before we return each GPO report we make sure that each entry has the same column names regardless which one is first.
+    # Normally if you would have a GPO with just 2 entries for given subject (say LAPS), and then another GPO having 5 settings for the same type
+    # and you would display them one after another - all entries would be shown using first object which has less properties then 2nd or 3rd object
+    # to make sure all objects are having same (even empty) properties we "normalize" it
+    if (-not $SkipNormalize) {
+        foreach ($Report in [string[]] $Output['Reports'].Keys) {
+            $Properties = $Output['Reports'][$Report] | Select-Properties -ExcludeProperty DisplayName, DomainName, GUID, GpoType, Linked, LinksCount, Links -AllProperties -WarningAction SilentlyContinue
+            $DisplayProperties = @(
+                'DisplayName', 'DomainName', 'GUID', 'GpoType'
+                foreach ($Property in $Properties) {
+                    $Property
+                }
+                'Linked', 'LinksCount', 'Links'
+            )
+            $Output['Reports'][$Report] = $Output['Reports'][$Report] | Select-Object -Property $DisplayProperties
+        }
+    }
+
+    $Output['PoliciesTotal'] = $Output.Reports.Policies.PolicyCategory | Group-Object | Select-Object Name, Count | Sort-Object -Property Name #-Descending
+    #$Output['PoliciesTotal'] = $Output.Reports.Policies.PolicyCategory | Group-Object | Select-Object Name, Count | Sort-Object -Property Count -Descending
+
+    if (-not $SkipCleanup) {
+        Remove-EmptyValue -Hashtable $Output -Recursive
+    }
+    return $Output
+}
+
+[scriptblock] $SourcesAutoCompleter = {
+    param($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameters)
+
+    $Script:GPODitionary.Keys | Sort-Object | Where-Object { $_ -like "*$wordToComplete*" }
+}
+Register-ArgumentCompleter -CommandName Invoke-GPOZaurr -ParameterName Type -ScriptBlock $SourcesAutoCompleter

Public/Invoke-GPOZaurrPermission.ps1

@@ -6,27 +6,38 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [parameter(Position = 0)]
         [scriptblock] $PermissionRules,
 
+        # ParameterSet1
         [Parameter(ParameterSetName = 'GPOName')][string] $GPOName,
 
+        # ParameterSet2
         [Parameter(ParameterSetName = 'GPOGUID')][alias('GUID', 'GPOID')][string] $GPOGuid,
 
+        # ParameterSet3
+        [parameter(ParameterSetName = 'Level', Mandatory)][int] $Level,
+        [parameter(ParameterSetName = 'Level', Mandatory)][int] $Limit,
 
+        # ParameterSet4
         [parameter(ParameterSetName = 'Linked', Mandatory)][validateset('Root', 'DomainControllers', 'Site', 'Other')][string] $Linked,
 
+        # ParameterSet5
         [parameter(ParameterSetName = 'ADObject', ValueFromPipeline, ValueFromPipelineByPropertyName, Mandatory)][Microsoft.ActiveDirectory.Management.ADObject[]] $ADObject,
 
+        # ParameterSet6
         [parameter(ParameterSetName = 'Filter')][string] $Filter = "(objectClass -eq 'organizationalUnit' -or objectClass -eq 'domainDNS' -or objectClass -eq 'site')",
         [parameter(ParameterSetName = 'Filter')][string] $SearchBase,
         [parameter(ParameterSetName = 'Filter')][Microsoft.ActiveDirectory.Management.ADSearchScope] $SearchScope,
 
+        # All other paramerrs are for for all parametersets
         [Parameter(ParameterSetName = 'GPOGUID')]
         [Parameter(ParameterSetName = 'GPOName')]
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [validateSet('Unknown', 'NotWellKnown', 'NotWellKnownAdministrative', 'NotAdministrative', 'All')][string[]] $Type,
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -34,6 +45,7 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [Array] $ApprovedGroups,
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -41,6 +53,7 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [alias('Principal')][Array] $Trustee,
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -48,6 +61,7 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [Microsoft.GroupPolicy.GPPermissionType] $TrusteePermissionType,
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -55,6 +69,7 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [alias('PrincipalType')][validateset('DistinguishedName', 'Name', 'Sid')][string] $TrusteeType = 'DistinguishedName',
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -62,6 +77,7 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [System.Collections.IDictionary] $GPOCache,
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -69,6 +85,7 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [alias('ForestName')][string] $Forest,
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -76,6 +93,7 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [string[]] $ExcludeDomains,
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -83,6 +101,7 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
         [alias('Domain', 'Domains')][string[]] $IncludeDomains,
 
         [Parameter(ParameterSetName = 'GPOGUID')]
@@ -90,7 +109,23 @@
         [parameter(ParameterSetName = 'Filter')]
         [parameter(ParameterSetName = 'ADObject')]
         [parameter(ParameterSetName = 'Linked')]
-        [System.Collections.IDictionary] $ExtendedForestInformation
+        [parameter(ParameterSetName = 'Level')]
+        [System.Collections.IDictionary] $ExtendedForestInformation,
+
+        [Parameter(ParameterSetName = 'GPOGUID')]
+        [Parameter(ParameterSetName = 'GPOName')]
+        [parameter(ParameterSetName = 'Filter')]
+        [parameter(ParameterSetName = 'ADObject')]
+        [parameter(ParameterSetName = 'Linked')]
+        [parameter(ParameterSetName = 'Level')]
+        [switch] $LimitAdministrativeGroupsToDomain,
+
+        [Parameter(ParameterSetName = 'GPOGUID')]
+        [Parameter(ParameterSetName = 'GPOName')]
+        [parameter(ParameterSetName = 'Filter')]
+        [parameter(ParameterSetName = 'ADObject')]
+        [parameter(ParameterSetName = 'Linked')]
+        [switch] $SkipDuplicates
     )
     if ($PermissionRules) {
         $Rules = & $PermissionRules
@@ -99,77 +134,145 @@
         return
     }
     $ForestInformation = Get-WinADForestDetails -Extended -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
-    $ADAdministrativeGroups = Get-ADADministrativeGroups -Type DomainAdmins, EnterpriseAdmins -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ForestInformation
-
-    $Splat = @{
-        Forest                    = $Forest
-        IncludeDomains            = $IncludeDomains
-        ExcludeDomains            = $ExcludeDomains
-        ExtendedForestInformation = $ForestInformation
-    }
-    if ($ADObject) {
-        $Splat['ADObject'] = $ADObject
-    } elseif ($Linked) {
-        $Splat['Linked'] = $Linked
-    } elseif ($GPOName) {
-
-    } elseif ($GPOGuid) {
-
+    if ($LimitAdministrativeGroupsToDomain) {
+        # This will get administrative based on IncludeDomains if given. It means that if GPO has Domain admins added from multiple domains it will only find one, and remove all other Domain Admins (if working with Domain Admins that is)
+        $ADAdministrativeGroups = Get-ADADministrativeGroups -Type DomainAdmins, EnterpriseAdmins -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ForestInformation
     } else {
-        if ($Filter) {
-            $Splat['Filter'] = $Filter
-        }
-        if ($SearchBase) {
-            $Splat['SearchBase'] = $SearchBase
-        }
-        if ($SearchScope) {
-            $Splat['SearchScope'] = $SearchScope
-        }
+        $ADAdministrativeGroups = Get-ADADministrativeGroups -Type DomainAdmins, EnterpriseAdmins -Forest $Forest #-IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ForestInformation
     }
+    if ($PSCmdlet.ParameterSetName -ne 'Level') {
+        $Splat = @{
+            Forest                    = $Forest
+            IncludeDomains            = $IncludeDomains
+            ExcludeDomains            = $ExcludeDomains
+            ExtendedForestInformation = $ForestInformation
+            SkipDuplicates            = $SkipDuplicates.IsPresent
+        }
+        if ($ADObject) {
+            $Splat['ADObject'] = $ADObject
+        } elseif ($Linked) {
+            $Splat['Linked'] = $Linked
+        } elseif ($GPOName) {
 
-    Get-GPOZaurrLink @Splat | ForEach-Object -Process {
-        $GPO = $_
-        foreach ($Rule in $Rules) {
-            if ($Rule.Action -eq 'Owner') {
-                if ($Rule.Type -eq 'Administrative') {
-                    $AdministrativeGroup = $ADAdministrativeGroups['ByNetBIOS']["$($GPO.Owner)"]
-                    if (-not $AdministrativeGroup) {
-                        $DefaultPrincipal = $ADAdministrativeGroups["$($GPO.DomainName)"]['DomainAdmins']
-                        Write-Verbose "Invoke-GPOZaurrPermission - Changing GPO: $($GPO.DisplayName) from domain: $($GPO.DomainName) from owner $($GPO.Owner) to $DefaultPrincipal"
-                        #Set-ADACLOwner -ADObject $GPO.GPODistinguishedName -Principal $DefaultPrincipal -Verbose:$false -WhatIf:$WhatIfPreference
-                        Set-GPOZaurrOwner -GPOGuid $GPO.Guid -IncludeDomains $GPO.Domain -Principal $DefaultPrincipal -WhatIf:$WhatIfPreference
-                    }
-                } elseif ($Rule.Type -eq 'Default') {
-                    Write-Verbose "Invoke-GPOZaurrPermission - Changing GPO: $($GPO.DisplayName) from domain: $($GPO.DomainName) from owner $($GPO.Owner) to $($Rule.Principal)"
-                    #Set-ADACLOwner -ADObject $GPO.GPODistinguishedName -Principal $Rule.Principal -Verbose:$false -WhatIf:$WhatIfPreference
-                    Set-GPOZaurrOwner -GPOGuid $GPO.Guid -IncludeDomains $GPO.Domain -Principal $Rule.Principal -WhatIf:$WhatIfPreference
-                }
-            } elseif ($Rule.Action -eq 'Remove') {
-                $GPOPermissions = Get-GPOZaurrPermission -GPOGuid $GPO.GUID -IncludeDomains $GPO.DomainName -IncludePermissionType $Rule.IncludePermissionType -ExcludePermissionType $Rule.ExcludePermissionType -Type $Rule.Type -IncludeGPOObject -PermitType $Rule.PermitType -Principal $Rule.Principal -PrincipalType $Rule.PrincipalType -ExcludePrincipal $Rule.ExcludePrincipal -ExcludePrincipalType $Rule.ExcludePrincipalType
-                foreach ($Permission in $GPOPermissions) {
-                    Remove-PrivPermission -Principal $Permission.Sid -PrincipalType Sid -GPOPermission $Permission -IncludePermissionType $Permission.Permission
-                }
-            } elseif ($Rule.Action -eq 'Add') {
+        } elseif ($GPOGuid) {
 
-                $SplatPermissions = @{
-                    Forest                    = $Forest
-                    IncludeDomains            = $IncludeDomains
-                    ExcludeDomains            = $ExcludeDomains
-                    ExtendedForestInformation = $ForestInformation
-
-                    GPOGuid                   = $GPO.GUID
-                    IncludePermissionType     = $Rule.IncludePermissionType
-                    Type                      = $Rule.Type
-                    PermitType                = $Rule.PermitType
-                    Principal                 = $Rule.Principal
-                    ADAdministrativeGroups    = $ADAdministrativeGroups
-                }
-                if ($Rule.PrincipalType) {
-                    $SplatPermissions.PrincipalType = $Rule.PrincipalType
-                }
-                Add-GPOZaurrPermission @SplatPermissions
+        } else {
+            if ($Filter) {
+                $Splat['Filter'] = $Filter
+            }
+            if ($SearchBase) {
+                $Splat['SearchBase'] = $SearchBase
+            }
+            if ($SearchScope) {
+                $Splat['SearchScope'] = $SearchScope
             }
         }
-    }
 
+
+
+        Get-GPOZaurrLink @Splat | ForEach-Object -Process {
+            $GPO = $_
+            foreach ($Rule in $Rules) {
+                if ($Rule.Action -eq 'Owner') {
+                    if ($Rule.Type -eq 'Administrative') {
+                        # We check for Owner (sometimes it can be empty)
+                        if ($GPO.Owner) {
+                            $AdministrativeGroup = $ADAdministrativeGroups['ByNetBIOS']["$($GPO.Owner)"]
+                        } else {
+                            $AdministrativeGroup = $null
+                        }
+                        if (-not $AdministrativeGroup) {
+                            $DefaultPrincipal = $ADAdministrativeGroups["$($GPO.DomainName)"]['DomainAdmins']
+                            Write-Verbose "Invoke-GPOZaurrPermission - Changing GPO: $($GPO.DisplayName) from domain: $($GPO.DomainName) from owner $($GPO.Owner) to $DefaultPrincipal"
+                            #Set-ADACLOwner -ADObject $GPO.GPODistinguishedName -Principal $DefaultPrincipal -Verbose:$false -WhatIf:$WhatIfPreference
+                            Set-GPOZaurrOwner -GPOGuid $GPO.Guid -IncludeDomains $GPO.Domain -Principal $DefaultPrincipal -WhatIf:$WhatIfPreference
+                        }
+                    } elseif ($Rule.Type -eq 'Default') {
+                        Write-Verbose "Invoke-GPOZaurrPermission - Changing GPO: $($GPO.DisplayName) from domain: $($GPO.DomainName) from owner $($GPO.Owner) to $($Rule.Principal)"
+                        #Set-ADACLOwner -ADObject $GPO.GPODistinguishedName -Principal $Rule.Principal -Verbose:$false -WhatIf:$WhatIfPreference
+                        Set-GPOZaurrOwner -GPOGuid $GPO.Guid -IncludeDomains $GPO.Domain -Principal $Rule.Principal -WhatIf:$WhatIfPreference
+                    }
+                } elseif ($Rule.Action -eq 'Remove') {
+                    $GPOPermissions = Get-GPOZaurrPermission -GPOGuid $GPO.GUID -IncludeDomains $GPO.DomainName -IncludePermissionType $Rule.IncludePermissionType -ExcludePermissionType $Rule.ExcludePermissionType -Type $Rule.Type -IncludeGPOObject -PermitType $Rule.PermitType -Principal $Rule.Principal -PrincipalType $Rule.PrincipalType -ExcludePrincipal $Rule.ExcludePrincipal -ExcludePrincipalType $Rule.ExcludePrincipalType -ADAdministrativeGroups $ADAdministrativeGroups
+                    foreach ($Permission in $GPOPermissions) {
+                        Remove-PrivPermission -Principal $Permission.Sid -PrincipalType Sid -GPOPermission $Permission -IncludePermissionType $Permission.Permission
+                    }
+                } elseif ($Rule.Action -eq 'Add') {
+                    # Initially we were askng for same domain as user requested, but in fact we need to apply GPODomain as it can be linked to different domain
+                    $SplatPermissions = @{
+                        #Forest                    = $Forest
+                        IncludeDomains         = $GPO.DomainName
+                        #ExcludeDomains            = $ExcludeDomains
+                        #ExtendedForestInformation = $ForestInformation
+
+                        GPOGuid                = $GPO.GUID
+                        IncludePermissionType  = $Rule.IncludePermissionType
+                        Type                   = $Rule.Type
+                        PermitType             = $Rule.PermitType
+                        Principal              = $Rule.Principal
+                        ADAdministrativeGroups = $ADAdministrativeGroups
+                    }
+                    if ($Rule.PrincipalType) {
+                        $SplatPermissions.PrincipalType = $Rule.PrincipalType
+                    }
+                    Add-GPOZaurrPermission @SplatPermissions
+                }
+            }
+        }
+    } else {
+        # This is special case based on different command
+        $Report = Get-GPOZaurrLinkSummary -Report OneLink
+        $AffectedGPOs = foreach ($GPO in $Report) {
+            $Property = "Level$($Level)"
+            if ($GPO."$Property" -gt $Limit) {
+                foreach ($Rule in $Rules) {
+                    if ($Rule.Action -eq 'Owner') {
+                        if ($Rule.Type -eq 'Administrative') {
+                            # We check for Owner (sometimes it can be empty)
+                            if ($GPO.Owner) {
+                                $AdministrativeGroup = $ADAdministrativeGroups['ByNetBIOS']["$($GPO.Owner)"]
+                            } else {
+                                $AdministrativeGroup = $null
+                            }
+                            if (-not $AdministrativeGroup) {
+                                $DefaultPrincipal = $ADAdministrativeGroups["$($GPO.DomainName)"]['DomainAdmins']
+                                Write-Verbose "Invoke-GPOZaurrPermission - Changing GPO: $($GPO.DisplayName) from domain: $($GPO.DomainName) from owner $($GPO.Owner) to $DefaultPrincipal"
+                                #Set-ADACLOwner -ADObject $GPO.GPODistinguishedName -Principal $DefaultPrincipal -Verbose:$false -WhatIf:$WhatIfPreference
+                                Set-GPOZaurrOwner -GPOGuid $GPO.Guid -IncludeDomains $GPO.Domain -Principal $DefaultPrincipal -WhatIf:$WhatIfPreference
+                            }
+                        } elseif ($Rule.Type -eq 'Default') {
+                            Write-Verbose "Invoke-GPOZaurrPermission - Changing GPO: $($GPO.DisplayName) from domain: $($GPO.DomainName) from owner $($GPO.Owner) to $($Rule.Principal)"
+                            #Set-ADACLOwner -ADObject $GPO.GPODistinguishedName -Principal $Rule.Principal -Verbose:$false -WhatIf:$WhatIfPreference
+                            Set-GPOZaurrOwner -GPOGuid $GPO.Guid -IncludeDomains $GPO.Domain -Principal $Rule.Principal -WhatIf:$WhatIfPreference
+                        }
+                    } elseif ($Rule.Action -eq 'Remove') {
+                        $GPOPermissions = Get-GPOZaurrPermission -GPOGuid $GPO.GUID -IncludeDomains $GPO.DomainName -IncludePermissionType $Rule.IncludePermissionType -ExcludePermissionType $Rule.ExcludePermissionType -Type $Rule.Type -IncludeGPOObject -PermitType $Rule.PermitType -Principal $Rule.Principal -PrincipalType $Rule.PrincipalType -ExcludePrincipal $Rule.ExcludePrincipal -ExcludePrincipalType $Rule.ExcludePrincipalType -ADAdministrativeGroups $ADAdministrativeGroups
+                        foreach ($Permission in $GPOPermissions) {
+                            Remove-PrivPermission -Principal $Permission.Sid -PrincipalType Sid -GPOPermission $Permission -IncludePermissionType $Permission.Permission
+                        }
+                    } elseif ($Rule.Action -eq 'Add') {
+                        # Initially we were askng for same domain as user requested, but in fact we need to apply GPODomain as it can be linked to different domain
+                        $SplatPermissions = @{
+                            #Forest                    = $Forest
+                            IncludeDomains         = $GPO.DomainName
+                            #ExcludeDomains            = $ExcludeDomains
+                            #ExtendedForestInformation = $ForestInformation
+
+                            GPOGuid                = $GPO.GUID
+                            IncludePermissionType  = $Rule.IncludePermissionType
+                            Type                   = $Rule.Type
+                            PermitType             = $Rule.PermitType
+                            Principal              = $Rule.Principal
+                            ADAdministrativeGroups = $ADAdministrativeGroups
+                        }
+                        if ($Rule.PrincipalType) {
+                            $SplatPermissions.PrincipalType = $Rule.PrincipalType
+                        }
+                        Add-GPOZaurrPermission @SplatPermissions
+                    }
+                }
+            }
+        }
+        $AffectedGPOs
+    }
 }

Public/Remove-GPOZaurrFolders.ps1

@@ -0,0 +1,62 @@
+function Remove-GPOZaurrFolders {
+    [cmdletBinding(SupportsShouldProcess)]
+    param(
+        [string] $BackupPath,
+        [switch] $BackupDated,
+        [ValidateSet('All', 'Netlogon', 'Sysvol')][string[]] $Type = 'All',
+        [Parameter(Mandatory)][ValidateSet('NTFRS', 'Empty')][string] $FolderType,
+        [string[]] $FolderName,
+        [int] $LimitProcessing = [int32]::MaxValue,
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation
+    )
+    if ($BackupPath) {
+        if ($BackupDated) {
+            $BackupFinalPath = "$BackupPath\$((Get-Date).ToString('yyyy-MM-dd_HH_mm_ss'))"
+        } else {
+            $BackupFinalPath = $BackupPath
+        }
+    } else {
+        $BackupFinalPath = ''
+    }
+
+    Get-GPOZaurrFolders -Type $Type -FolderType $FolderType -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation | Where-Object {
+        if ($FolderName) {
+            foreach ($Folder in $FolderName) {
+                if ($_.Name -eq $Folder) {
+                    $_
+                }
+            }
+        } else {
+            $_
+        }
+    } | Select-Object | Select-Object -First $LimitProcessing | ForEach-Object {
+        if ($BackupFinalPath) {
+            $SYSVOLRoot = "\\$($_.DomainName)\SYSVOL\$($_.DomainName)\"
+            $DestinationFile = ($_.FullName).Replace($SYSVOLRoot, '')
+            #$DestinationMissingFolder = $DestinationFile.Replace($DestinationFile, '')
+            $DestinationFilePath = [system.io.path]::Combine($BackupFinalPath, $DestinationFile)
+            #$DestinationFolderPath = [system.io.path]::Combine($BackupFinalPath, $DestinationMissingFolder)
+
+            Write-Verbose "Remove-GPOZaurrFolders - Backing up $($_.FullName)"
+            Try {
+                Copy-Item -LiteralPath $_.FullName -Recurse -Destination $DestinationFilePath -ErrorAction Stop -Force
+                $BackupWorked = $true
+            } catch {
+                Write-Warning "Remove-GPOZaurrFolders - Error backing up error: $($_.Exception.Message)"
+                $BackupWorked = $false
+            }
+
+        }
+        if ($BackupWorked -or $BackupFinalPath -eq '') {
+            try {
+                Write-Verbose "Remove-GPOZaurrFolders - Removing $($_.FullName)"
+                Remove-Item -Path $_.FullName -Force -Recurse
+            } catch {
+                Write-Warning "Remove-GPOZaurrFolders - Failed to remove directory $($_.FullName): $($_.Exception.Message)."
+            }
+        }
+    }
+}

Public/Remove-GPOZaurrLegacyFiles.ps1

@@ -1,12 +1,24 @@
 function Remove-GPOZaurrLegacyFiles {
     [cmdletBinding(SupportsShouldProcess)]
     param(
+        [string] $BackupPath,
+        [switch] $BackupDated,
+        [switch] $RemoveEmptyFolders,
         [alias('ForestName')][string] $Forest,
         [string[]] $ExcludeDomains,
         [alias('Domain', 'Domains')][string[]] $IncludeDomains,
 
         [int] $LimitProcessing = [int32]::MaxValue
     )
+    if ($BackupPath) {
+        if ($BackupDated) {
+            $BackupFinalPath = "$BackupPath\$((Get-Date).ToString('yyyy-MM-dd_HH_mm_ss'))"
+        } else {
+            $BackupFinalPath = $BackupPath
+        }
+    } else {
+        $BackupFinalPath = ''
+    }
     $Splat = @{
         Forest                    = $Forest
         IncludeDomains            = $IncludeDomains
@@ -14,12 +26,63 @@
         ExtendedForestInformation = $ExtendedForestInformation
         Verbose                   = $VerbosePreference
     }
-    Get-GPOZaurrLegacyFiles @Splat | Select-Object -First $LimitProcessing | ForEach-Object {
-        try {
-            Remove-Item -Path $_.FullName -ErrorAction Stop
-        } catch {
-            $ErrorMessage = $_.Exception.Message
-            Write-Warning "Remove-GPOZaurrLegacyFiles - Failed to remove file $($_.FullName): $($ErrorMessage)."
+    [Array] $Deleted = Get-GPOZaurrLegacyFiles @Splat | Select-Object -First $LimitProcessing | ForEach-Object {
+        Write-Verbose "Remove-GPOZaurrLegacyFiles - Processing $($_.FullName)"
+        if ($BackupFinalPath) {
+            $SYSVOLRoot = "\\$($_.DomainName)\SYSVOL\$($_.DomainName)\policies\"
+            $DestinationFile = ($_.FullName).Replace($SYSVOLRoot, '')
+            #$DestinationMissingFolder = $DestinationFile.Replace($DestinationFile, '')
+            $DestinationFilePath = [system.io.path]::Combine($BackupFinalPath, $DestinationFile)
+            #$DestinationFolderPath = [system.io.path]::Combine($BackupFinalPath, $DestinationMissingFolder)
+
+            Write-Verbose "Remove-GPOZaurrLegacyFiles - Backing up $($_.FullName)"
+            $Created = New-Item -ItemType File -Path $DestinationFilePath -Force
+            if ($Created) {
+                Try {
+                    Copy-Item -LiteralPath $_.FullName -Recurse -Destination $DestinationFilePath -ErrorAction Stop -Force
+                    $BackupWorked = $true
+                } catch {
+                    Write-Warning "Remove-GPOZaurrLegacyFiles - Error backing up error: $($_.Exception.Message)"
+                    $BackupWorked = $false
+                }
+            } else {
+                $BackupWorked = $false
+            }
+        }
+        if ($BackupWorked -or $BackupFinalPath -eq '') {
+            try {
+                Write-Verbose "Remove-GPOZaurrLegacyFiles - Deleting $($_.FullName)"
+                Remove-Item -Path $_.FullName -ErrorAction Stop -Force
+                $_
+            } catch {
+                Write-Warning "Remove-GPOZaurrLegacyFiles - Failed to remove file $($_.FullName): $($_.Exception.Message)."
+            }
+        }
+    }
+    if ($Deleted.Count -gt 0) {
+        if ($RemoveEmptyFolders) {
+            $FoldersToCheck = $Deleted.DirectoryName | Sort-Object -Unique
+            foreach ($Folder in $FoldersToCheck) {
+                $FolderName = $Folder.Substring($Folder.Length - 4)
+                if ($FolderName -eq '\Adm') {
+                    try {
+                        $MeasureCount = Get-ChildItem -LiteralPath $Folder -Force -ErrorAction Stop | Select-Object -First 1 | Measure-Object
+                    } catch {
+                        Write-Warning "Remove-GPOZaurrLegacyFiles - Couldn't verify if folder $Folder is empty. Skipping. Error: $($_.Exception.Message)."
+                        continue
+                    }
+                    if ($MeasureCount.Count -eq 0) {
+                        Write-Verbose "Remove-GPOZaurrLegacyFiles - Deleting empty folder $($Folder)"
+                        try {
+                            Remove-Item -LiteralPath $Folder -Force -Recurse:$false
+                        } catch {
+                            Write-Warning "Remove-GPOZaurrLegacyFiles - Failed to remove folder $($Folder): $($_.Exception.Message)."
+                        }
+                    } else {
+                        Write-Verbose "Remove-GPOZaurrLegacyFiles - Skipping not empty folder from deletion $($Folder)"
+                    }
+                }
+            }
         }
     }
 }

Public/Remove-GPOZaurrOrphanedSysvolFolders.ps1

@@ -1,13 +1,48 @@
 function Remove-GPOZaurrOrphanedSysvolFolders {
     [cmdletBinding(SupportsShouldProcess)]
     param(
-        [int] $LimitProcessing = [int32]::MaxValue
+        [string] $BackupPath,
+        [switch] $BackupDated,
+        [int] $LimitProcessing = [int32]::MaxValue,
+
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation
     )
-    Get-GPOZaurrSysvol | Where-Object {
+    if ($BackupPath) {
+        if ($BackupDated) {
+            $BackupFinalPath = "$BackupPath\$((Get-Date).ToString('yyyy-MM-dd_HH_mm_ss'))"
+        } else {
+            $BackupFinalPath = $BackupPath
+        }
+    } else {
+        $BackupFinalPath = ''
+    }
+    Get-GPOZaurrSysvol -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation | Where-Object {
         if ($_.Status -eq 'Orphaned GPO') {
             $_
         }
     } | Select-Object | Select-Object -First $LimitProcessing | ForEach-Object {
-        Remove-Item -Recurse -Force -LiteralPath $_.Path
+        Write-Verbose "Remove-GPOZaurrOrphanedSysvolFolders - Processing $($_.Path)"
+        if ($BackupFinalPath) {
+            Try {
+                Write-Verbose "Remove-GPOZaurrOrphanedSysvolFolders - Backing up $($_.Path)"
+                Copy-Item -LiteralPath $_.Path -Recurse -Destination $BackupFinalPath -ErrorAction Stop
+                $BackupWorked = $true
+            } catch {
+                Write-Warning "Remove-GPOZaurrOrphanedSysvolFolders - Error backing up error: $($_.Exception.Message)"
+                $BackupWorked = $false
+            }
+        }
+        if ($BackupWorked -or $BackupFinalPath -eq '') {
+            Write-Verbose "Remove-GPOZaurrOrphanedSysvolFolders - Deleting $($_.Path)"
+            try {
+                Remove-Item -Recurse -Force -LiteralPath $_.Path
+            } catch {
+                $ErrorMessage = $_.Exception.Message
+                Write-Warning "Remove-GPOZaurrOrphanedSysvolFolders - Failed to remove file $($_.Path): $($ErrorMessage)."
+            }
+        }
     }
 }

Public/Save-GPOZaurrFiles.ps1

@@ -9,12 +9,6 @@
         [switch] $DeleteExisting
     )
     if ($GPOPath) {
-        if (-not $ExtendedForestInformation) {
-            $ForestInformation = Get-WinADForestDetails -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains
-        } else {
-            $ForestInformation = $ExtendedForestInformation
-        }
-
         if ($DeleteExisting) {
             $Test = Test-Path -LiteralPath $GPOPath
             if ($Test) {
@@ -22,16 +16,18 @@
                 Remove-Item -LiteralPath $GPOPath -Recurse
             }
         }
-
         $null = New-Item -ItemType Directory -Path $GPOPath -Force
-        foreach ($Domain in $ForestInformation.Domains) {
-            Write-Verbose "Save-GPOZaurrFiles - Processing GPO for $Domain"
-            Get-GPO -All -Server $ForestInformation.QueryServers[$Domain].HostName[0] -Domain $Domain | ForEach-Object {
-                $XMLContent = Get-GPOReport -ID $_.ID.Guid -ReportType XML -Server $ForestInformation.QueryServers[$Domain].HostName[0] -Domain $Domain
-                $Path = [io.path]::Combine($GPOPath, "$($_.ID.Guid).xml")
-
-                $XMLContent | Set-Content -LiteralPath $Path -Force -Encoding Unicode
+        $GPOs = Get-GPOZaurrAD -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation
+        foreach ($GPO in $GPOS) {
+            $XMLContent = Get-GPOReport -ID $GPO.Guid -ReportType XML -Domain $GPO.DomainName
+            $GPODOmainFolder = [io.path]::Combine($GPOPath, $GPO.DomainName)
+            if (-not (Test-Path -Path $GPODOmainFolder)) {
+                $null = New-Item -ItemType Directory -Path $GPODOmainFolder -Force
             }
+            $Path = [io.path]::Combine($GPODOmainFolder, "$($GPO.Guid).xml")
+            $XMLContent | Set-Content -LiteralPath $Path -Force -Encoding Unicode
         }
+        $GPOListPath = [io.path]::Combine($GPOPath, "GPOList.xml")
+        $GPOs | Export-Clixml -Depth 5 -Path $GPOListPath
     }
 }

README.md

@@ -39,5 +39,50 @@ That's it. Whenever there's a new version, you run the command, and you can enjo
 
 ## Changelog
 
-- 0.0.1 - Unreleased
+- 0.0.51 - 2.08.2020
+  - Updates to `Invoke-GPOZaurr` - still work in progress
+  - Added `Get-GPOZaurrSysvolDFSR`
+  - Added `Clear-GPOZaurrSysvolDFSR` (requires testing)
+- 0.0.50 - 29.07.2020
+  - Updates to couple of commands
+- 0.0.49 - 23.07.2020
+  - Hidden files were skipped - and people do crazy things with them
+- 0.0.48 - 21.07.2020
+  - Added `Get-GPOZaurrFilesPolicyDefinitions`
+  - Updates to `Invoke-GPOZaurr` - still work in progress
+  - Updates to `Get-GPOZaurrFiles` - still work in progress
+  - Updates to `Remove-GPOZaurrOrphanedSysvolFolders` with backup and support for domains
+  - Module will now be signed
+- 0.0.47 - 29.06.2020
+  - Update to `Get-GPOZaurrAD` for better error reporting
+  - Updates to `Invoke-GPOZaurr` - still work in progress
+- 0.0.46 - 28.06.2020
+  - Additional protection for `Get-GPOZaurrAD` for CNF duplicates
+  - Update to `Save-GPOZaurrFiles`
+  - Added `Invoke-GPOZaurr` (alias: `Find-GPO`) (heavy work in progress)
+- 0.0.45 - 26.06.2020
+  - During publishing ADEssentials required functions are now merged to prevent cyclic dependency bug [Using ModuleSpec syntax in RequiredModules causes incorrect "cyclic dependency" failures](https://github.com/PowerShell/PowerShell/issues/2607)
+- 0.0.44 - 24.06.2020
+  - Improvement to `Get-GPOZaurrLinkSummary`
+- 0.0.43 - 21.06.2020
+  - Added `Get-GPOZaurrFiles` to list files on NETLOGON/SYSVOL shares with a lot of details
+- 0.0.42 - 19.06.2020
+  - Fix for `Get-GPOZaurrLink` and `SearchBase` parameter
+  - Fix for `Get-GPOZaurrLink` - canonical link Trim() throwing errors if empty
+- 0.0.41 - 18.06.2020
+  - Added paramerter `SkipDuplicates` to `Invoke-GPOZaurrPermission` which prevents applying permissions over and over again if 1 GPO is linked to a multiple OU's within another OU
+- 0.0.40 - 18.06.2020
+  - Fix for error `Get-GPOZaurrLink` - same issue as described on my [earlier blog - Get-ADObject : The server has returned the following error: invalid enumeration context.](https://evotec.xyz/get-adobject-the-server-has-returned-the-following-error-invalid-enumeration-context/).
+    - `WARNING: Get-GPOZaurrLink - Processing error The server has returned the following error: invalid enumeration context.`
+    - `WARNING: Get-GPOZaurrLink - Processing error A referral was returned from the server`
+  - Added `SkipDuplicates` for `Get-GPOZaurrLink`
+- 0.0.39 - 17.06.2020
+  - Updates to `Invoke-GPOZaurrPermission` with new parameter `LimitAdministrativeGroupsToDomain`
+    - This will get administrative based on IncludeDomains if given. It means that if GPO has Domain admins added from multiple domains it will only find one, and remove all other Domain Admins (if working with Domain Admins that is)
+- 0.0.38 - 17.06.2020
+  - Update to Get-PrivGPOZaurrLink which would cause problems to `Invoke-GPOZaurrPermission` if it would be run without Administrative permission and GPO wouldn't be accessible for that user
+- 0.0.37 - 16.06.2020
+  - Updates to `Invoke-GPOZaurrPermission` with new parameterset `Level`
+  - Updates to `Get-GPOZaurrLinkSummary`
+- 0.0.36 - 15.06.2020
   - Initial release