Get list of un protected OU's

To get locating OUs that isn't protected from accidental deletion in AD

Get-ADOrganizationalUnit -filter * -Properties ProtectedFromAccidentalDeletion | where {$_.ProtectedFromAccidentalDeletion -eq $false}

Active Directory – SID Filtering

Run Powershell as Enterprise Administrator:

to Deactivate Sid Filter:

Netdom trust <TrustingDomainName> /domain:<TrustedDomainName> /quarantine:No

to Activate:

Netdom trust <TrustingDomainName> /domain:<TrustedDomainName> /enablesidhistory:Yes

Source