Disable UAC using registry editor

If you would like to turn on/off User Access Control feature in Windows Server 2008 or Windows Vista, you can go to Control Panel > User Accounts. Beside going to control panel, you can also turn it off/on using registry editor, you can find the UAC key in HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

EnableLUA (DWORD)= change the value to 1 (On) or 0 (Off)

By the way, try not to disable UAC feature, as this will reduce the security enhancement to protect your workstation and servers in the future