internal/functions/groupPolicy/Get-LinkedPolicy.ps1
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function Get-LinkedPolicy { <# .SYNOPSIS Scans all managed OUs and returns linked GPOs. .DESCRIPTION Scans all managed OUs and returns linked GPOs. Use Set-DMContentMode to define what OUs are considered "managed". .PARAMETER Server The server / domain to work with. .PARAMETER Credential The credentials to use for this operation. .EXAMPLE PS C:\> Get-LinkedPolicy @parameters Returns all group policy objects that are linked to OUs under management. #> [CmdletBinding()] param ( [string] $Server, [PSCredential] $Credential ) begin { $parameters = $PSBoundParameters | ConvertTo-PSFHashtable -Include Server, Credential $parameters['Debug'] = $false # OneLevel needs to be converted to base, as searching for OUs with "OneLevel" would return unmanaged OUs. # This search however is targeted at GPOs linked to managed OUs only. $translateScope = @{ 'Subtree' = 'Subtree' 'OneLevel' = 'Base' 'Base' = 'Base' } $gpoProperties = 'DisplayName', 'Description', 'DistinguishedName', 'CN', 'Created', 'Modified', 'gPCFileSysPath', 'ObjectGUID', 'isCriticalSystemObject', 'VersionNumber' } process { $adObjects = foreach ($searchBase in (Resolve-ContentSearchBase @parameters)) { Get-ADObject @parameters -LDAPFilter '(gPLink=*)' -SearchBase $searchBase.SearchBase -SearchScope $translateScope[$searchBase.SearchScope] -Properties gPLink } foreach ($adObject in $adObjects) { Add-Member -InputObject $adObject -MemberType NoteProperty -Name LinkedGroupPolicyObjects -Value ($adObject.gPLink | Split-GPLink) -Force } foreach ($adPolicyObject in ($adObjects.LinkedGroupPolicyObjects | Select-Object -Unique | Get-ADObject @parameters -Properties $gpoProperties)) { [PSCustomObject]@{ PSTypeName = 'DomainManagement.GroupPolicy.Linked' DisplayName = $adPolicyObject.DisplayName Description = $adPolicyObject.Description DistinguishedName = $adPolicyObject.DistinguishedName LinkedTo = $adObjects | Where-Object LinkedGroupPolicyObjects -Contains $adPolicyObject.DistinguishedName CN = $adPolicyObject.CN Created = $adPolicyObject.Created Modified = $adPolicyObject.Modified Path = $adPolicyObject.gPCFileSysPath ObjectGUID = $adPolicyObject.ObjectGUID IsCritical = $adPolicyObject.isCriticalSystemObject ADVersion = $adPolicyObject.VersionNumber ExportID = $null ImportTime = $null Version = -1 State = "Unknown" } } } } |