Tag Archives: Local Administrators Group

How to control Local Administrators group membership on a DC

Reasons and security ramifications aside this is just a quick note on how to control Local Administrators group membership on a DC. So if you try to use lusrmgr.msc on a DC you it will open you Local Users and Groups console with a red cross and warning in central pane:

“The computer %DC_NAME% is a domain controller. This snap-in cannot be used on a domain controller. Domain accounts are managed with the Active Directory Users and Computers snap-in.”

Well thanks for letting me know, but I need to manage this anyway ­čÖé So to command prompt.

Issuing this:

net localgroup Administrators

will list current local Administrators group membership.

And using following syntax we can add members to local Administrators group:

net localgroup Administrators /add domainuser_name

There used to be nice video on YouTube showing all this, but this one seems to be no longer available.

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