Activate protection on a specific OU and all sub OUs
Get-ADOrganizationalUnit -SearchBase ‘OU=myOU,DC=domain,DC=net’ -filter * -Properties ProtectedFromAccidentalDeletion | Set-ADOrganizationalUnit -ProtectedFromAccidentalDeletion $true
Deactivate protection on a specific OU and all sub OUs
Get-ADOrganizationalUnit -SearchBase ‘OU=myOU,DC=domain,DC=net’ -filter * -Properties ProtectedFromAccidentalDeletion | Set-ADOrganizationalUnit -ProtectedFromAccidentalDeletion $false