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Update-AdmPwdAdSchema - The requested attribute does not exist

· One min read

Are you attempting to update the Active Directory Schema for LAPS (Local Administrator Password Solution) and keep getting the error below?

Update-AdmPwdAdSchema: The requested attribute does not exist

Here are few things you can check:

  • Make sure you are a Schema Admin
  • Run PowerShell as Administrator
  • Run the PowerShell to update the schema directly from the Schema Master

You can use the snippet below to check which Domain Controller the Schema Master role is running from:

Get-ADDomainController -Filter * | Select-Object Name, Domain, Forest, OperationMasterRoles | Where-Object {$_.OperationMasterRoles}