What Are the Implications of Removing Built-in Administrators group and BUILTIN\Administrator from act as part of the operating system ?

Hi,

We are currently using Windows Server 2019 in our domain controller environment.

If I remove the Built-in Administrators group and the BUILTIN\Administrator accounts as part of the operating system GPO, will there be any negative effects?

We are seeking insights or experiences related to these concerns. Any guidance or advice on this matter would be highly appreciated.

Posted Dec 9, 2025, 9:46 AM UTC

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