private/removeOrphanSIDs.ps1
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function removeOrphanSIDs { $domainFacts = get-addomain $DOMAINSID = $domainFacts.domainSID.toString() $basePath = $domainFacts.DistinguishedName $indent = " |--> " get-childItem -path "AD:$basePath" -recurse | where-object {$_.objectClass -like "organizationalUnit"} | foreach-object { $path = $_ $ACL = get-acl -path "AD:$path" $OrphanList = $ACL.access | where-object {$_.identityReference -like "$DOMAINSID*" -and $_.isInherited -eq $false} if ($orphanList) { write-host "-> $path" $orphanList | foreach-object { $identity = $_.identityReference.value.toString() #Double-check that this object really does not exist $thisObject = get-adobject -filter "objectSID -eq '$identity' -or samaccountName -eq '$identity'" if ( $thisObject) { Write-host ("{0}{1,-10} {2,-48} : {3}" -f $indent, "Orphan: ", $identity, $_.ActiveDirectoryRights) $ACL.removeAccessRuleSpecific($_) } } #now set the ACL set-ACL -path "AD:$Path" -AclObject $ACL } } } |