To turn off the UAC on a Windows Server 2008 or Windows Server 2008 R2 machine:
Click > .
In the Control Panel, click .
In the User Accounts window, click .
In the User Accounts tasks window, click .
(Conditional) If UAC is currently configured in Admin Approval Mode, the User Account Control message is displayed. Click .
Clear the check box, and click .
Click to immediately apply the change, or click and close the User Accounts tasks window to apply the change the next time you restart your system.