Update

GPOZaurr.psd1

@@ -6,9 +6,9 @@
     CompatiblePSEditions = @('Desktop')
     Copyright            = '(c) 2011 - 2020 Przemyslaw Klys @ Evotec. All rights reserved.'
     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', 'ConvertFrom-CSExtension', 'Find-CSExtension', 'Get-GPOZaurr', 'Get-GPOZaurrAD', 'Get-GPOZaurrBackupInformation', 'Get-GPOZaurrBroken', 'Get-GPOZaurrDictionary', 'Get-GPOZaurrFiles', 'Get-GPOZaurrFilesPolicyDefinition', 'Get-GPOZaurrFolders', 'Get-GPOZaurrInheritance', 'Get-GPOZaurrLegacyFiles', 'Get-GPOZaurrLink', 'Get-GPOZaurrLinkSummary', 'Get-GPOZaurrNetLogon', 'Get-GPOZaurrOwner', 'Get-GPOZaurrPassword', 'Get-GPOZaurrPermission', 'Get-GPOZaurrPermissionConsistency', 'Get-GPOZaurrPermissionRoot', 'Get-GPOZaurrPermissionSummary', 'Get-GPOZaurrSysvolDFSR', 'Get-GPOZaurrWMI', 'Invoke-GPOZaurr', 'Invoke-GPOZaurrContent', 'Invoke-GPOZaurrPermission', 'Invoke-GPOZaurrSupport', 'New-GPOZaurrWMI', 'Remove-GPOPermission', 'Remove-GPOZaurr', 'Remove-GPOZaurrBroken', 'Remove-GPOZaurrFolders', 'Remove-GPOZaurrLegacyFiles', 'Remove-GPOZaurrPermission', 'Remove-GPOZaurrWMI', 'Repair-GPOZaurrNetLogonOwner', 'Repair-GPOZaurrPermissionConsistency', 'Restore-GPOZaurr', 'Save-GPOZaurrFiles', 'Set-GPOOwner', 'Set-GPOZaurrOwner')
+    FunctionsToExport    = @('Add-GPOPermission', 'Add-GPOZaurrPermission', 'Backup-GPOZaurr', 'Clear-GPOZaurrSysvolDFSR', 'ConvertFrom-CSExtension', 'Find-CSExtension', 'Get-GPOZaurr', 'Get-GPOZaurrAD', 'Get-GPOZaurrBackupInformation', 'Get-GPOZaurrBroken', 'Get-GPOZaurrDictionary', 'Get-GPOZaurrDuplicateObject', 'Get-GPOZaurrFiles', 'Get-GPOZaurrFilesPolicyDefinition', 'Get-GPOZaurrFolders', 'Get-GPOZaurrInheritance', 'Get-GPOZaurrLegacyFiles', 'Get-GPOZaurrLink', 'Get-GPOZaurrLinkSummary', 'Get-GPOZaurrNetLogon', 'Get-GPOZaurrOwner', 'Get-GPOZaurrPassword', 'Get-GPOZaurrPermission', 'Get-GPOZaurrPermissionConsistency', 'Get-GPOZaurrPermissionRoot', 'Get-GPOZaurrPermissionSummary', 'Get-GPOZaurrSysvolDFSR', 'Get-GPOZaurrWMI', 'Invoke-GPOZaurr', 'Invoke-GPOZaurrContent', 'Invoke-GPOZaurrPermission', 'Invoke-GPOZaurrSupport', 'New-GPOZaurrWMI', 'Remove-GPOPermission', 'Remove-GPOZaurr', 'Remove-GPOZaurrBroken', 'Remove-GPOZaurrDuplicateObject', 'Remove-GPOZaurrFolders', 'Remove-GPOZaurrLegacyFiles', 'Remove-GPOZaurrPermission', 'Remove-GPOZaurrWMI', 'Repair-GPOZaurrNetLogonOwner', 'Repair-GPOZaurrPermissionConsistency', 'Restore-GPOZaurr', 'Save-GPOZaurrFiles', 'Set-GPOOwner', 'Set-GPOZaurrOwner')
     GUID                 = 'f7d4c9e4-0298-4f51-ad77-e8e3febebbde'
-    ModuleVersion        = '0.0.69'
+    ModuleVersion        = '0.0.70'
     PowerShellVersion    = '5.1'
     PrivateData          = @{
         PSData = @{

Private/Script.GPOZaurrEmptyUnlinked.ps1

@@ -0,0 +1,3 @@
+$Script:GpoZaurrEmptyUnlinked = @{
+
+}

Public/Get-GPOZaurrDuplicateObject.ps1

@@ -0,0 +1,21 @@
+function Get-GPOZaurrDuplicateObject {
+    [cmdletBinding()]
+    param(
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation
+    )
+
+    $getWinADDuplicateObjectSplat = @{
+        Forest                        = $Forest
+        IncludeDomains                = $IncludeDomains
+        ExcludeDomains                = $ExcludeDomains
+        ExtendedForestInformation     = $ExtendedForestInformation
+        PartialMatchDistinguishedName = "*,CN=Policies,CN=System,DC=*"
+        Extended                      = $true
+    }
+
+    $DuplicateObjects = Get-WinADDuplicateObject @getWinADDuplicateObjectSplat
+    $DuplicateObjects
+}

Public/Remove-GPOZaurrDuplicateObject.ps1

@@ -0,0 +1,25 @@
+function Remove-GPOZaurrDuplicateObject {
+    [cmdletBinding(SupportsShouldProcess)]
+    param(
+        [alias('ForestName')][string] $Forest,
+        [string[]] $ExcludeDomains,
+        [alias('Domain', 'Domains')][string[]] $IncludeDomains,
+        [System.Collections.IDictionary] $ExtendedForestInformation
+    )
+
+    $getGPOZaurrDuplicateObjectSplat = @{
+        Forest                    = $Forest
+        IncludeDomains            = $IncludeDomains
+        ExcludeDomains            = $ExcludeDomains
+        ExtendedForestInformation = $ExtendedForestInformation
+    }
+
+    $DuplicateGpoObjects = Get-GPOZaurrDuplicateObject @getGPOZaurrDuplicateObjectSplat
+    foreach ($Duplicate in $DuplicateGpoObjects) {
+        try {
+            Remove-ADObject -Identity $_.ObjectGUID -Recursive -ErrorAction Stop -Server $Duplicate.DomainName
+        } catch {
+            Write-Warning "Remove-GPOZaurrDuplicateObject - Deleting $($Duplicate.ConflictDN) / $($Duplicate.DomainName) via GUID: $($Duplicate.ObjectGUID) failed with error: $($_.Exception.Message)"
+        }
+    }
+}

README.md

@@ -49,12 +49,14 @@ That's it. Whenever there's a new version, you run the command, and you can enjo
 
 ## Changelog
 
-- 0.0.70
+- 0.0.70 - 29.10.2020
+  - Added `Get-GPOZaurrDuplicateObject`
+  - Added `Remove-GPOZaurrDuplicateObject`
+- 0.0.69 - 29.10.2020
   - Improved `Invoke-GPOZaurr` (WIP)
   - Improved `Get-GPOZaurrNetLogon`
   - Improved `Get-GPOZaurrOwner`
   - Improved `Set-GPOZaurrOwner`
-- 0.0.69 - 28.10.2020
   - Added `Repair-GPOZaurrNetLogonOwner`
   - Improved `Invoke-GPOZaurr` (WIP)
 - 0.0.68 - 28.10.2020