Powershell: Protect from accidental deletion script

Hello All,

I have the following oneliner script:

Get-ADOrganizationalUnit -server abc.com -SearchBase "$domaindn" -Searchscope 1 -filter * -properties ProtectedFromAccidentalDeletion | set-adobject  -ProtectedFromAccidentalDeletion:$true

I am getting the following error:
"This access control list is not in canonical form and therefore cannot be modified"

Please help.

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David Johnson, CD, MVPRetiredCommented:
try this.
Get-ADObject -SearchBase $domaindn -filter * -properties CanonicalName | set-adobject  -ProtectedFromAccidentalDeletion:$true

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When I try your (Parity123) code I get a different error because Set-ADObject cannot take pipeline input from Get-ADOrganizationalUnit.  The way around it is shown below.
Get-ADOrganizationalUnit -server "abc.com" -SearchBase $domaindn -Searchscope 1 -filter * -properties ProtectedFromAccidentalDeletion | % { Set-ADObject $_.distinguishedname -ProtectedFromAccidentalDeletion $true }

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If you try that and still get your error, then maybe it's telling the truth and there is something up with your permissions (not PS code) that's blocking.

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