function Get-GPOZaurrPermissionRoot { [cmdletBinding()] param( [ValidateSet('GpoRootCreate', 'GpoRootOwner')][string[]] $IncludePermissionType, [ValidateSet('GpoRootCreate', 'GpoRootOwner')][string[]] $ExcludePermissionType, [alias('ForestName')][string] $Forest, [string[]] $ExcludeDomains, [alias('Domain', 'Domains')][string[]] $IncludeDomains, [System.Collections.IDictionary] $ExtendedForestInformation, [switch] $SkipNames ) Begin { $ForestInformation = Get-WinADForestDetails -Forest $Forest -IncludeDomains $IncludeDomains -ExcludeDomains $ExcludeDomains -ExtendedForestInformation $ExtendedForestInformation -Extended } Process { foreach ($Domain in $ForestInformation.Domains) { $DomainDistinguishedName = $ForestInformation['DomainsExtended'][$Domain].DistinguishedName $QueryServer = $ForestInformation['QueryServers'][$Domain].HostName[0] $getADACLSplat = @{ ADObject = "CN=Policies,CN=System,$DomainDistinguishedName" IncludeActiveDirectoryRights = 'GenericAll', 'CreateChild', 'WriteOwner', 'WriteDACL' IncludeObjectTypeName = 'All', 'Group-Policy-Container' IncludeInheritedObjectTypeName = 'All', 'Group-Policy-Container' ADRightsAsArray = $true ResolveTypes = $true } $GPOPermissionsGlobal = Get-ADACL @getADACLSplat -Verbose:$false $GPOs = Get-ADObject -SearchBase "CN=Policies,CN=System,$DomainDistinguishedName" -SearchScope OneLevel -Filter * -Properties DisplayName -Server $QueryServer -Verbose:$false foreach ($Permission in $GPOPermissionsGlobal) { $CustomPermission = foreach ($_ in $Permission.ActiveDirectoryRights) { if ($_ -in 'WriteDACL', 'WriteOwner', 'GenericAll' ) { 'GpoRootOwner' } if ($_ -in 'CreateChild', 'GenericAll') { 'GpoRootCreate' } } $CustomPermission = $CustomPermission | Sort-Object -Unique foreach ($SinglePermission in $CustomPermission) { if ($SinglePermission -in $ExcludePermissionType) { continue } if ($IncludePermissionType.Count -gt 0 -and $SinglePermission -notin $IncludePermissionType) { continue } $OutputEntry = [ordered] @{ PrincipalName = $Permission.Principal Permission = $SinglePermission PermissionType = $Permission.AccessControlType PrincipalSidType = $Permission.PrincipalType PrincipalObjectClass = $Permission.PrincipalObjectType PrincipalDomainName = $Permission.PrincipalObjectDomain PrincipalSid = $Permission.PrincipalObjectSid DomainName = $Domain GPOCount = $GPOs.Count } if (-not $SkipNames) { $OutputEntry['GPONames'] = $GPOs.DisplayName } [PSCustomObject] $OutputEntry } } } } End {} }