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I need to disable UAC on a Windows Server 2008 R2 domain controller, but I can't access its settings through the usual path (Control Panel -> User Accounts -> User Accounts), because a DC doesn't have a local user database, so the "User Accounts" icon in the Control Panel simply doesn't work.

How can I access the UI for UAC settings on a domain controller?

I know I can use a GPO for this, but I'd prefer to manually configure it on this single server.

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up vote 6 down vote accepted

You could do it from a command prompt:

runas /user:DOMAIN\youraccount "REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f"
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Or through Regedit. Good. – Massimo Apr 20 '12 at 10:44

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