Prevents users from shutting down or restarting Windows. This setting removes the Shut Down option from the Start menu and ...

Windows Server 2003

"Prevents users from shutting down or restarting Windows.

This setting removes the Shut Down option from the Start menu and disables the Shut Down button on the Windows Security dialog box, which appears when you press CTRL+ALT+DEL.

This setting prevents users from using the Windows user interface to shut down the system, although it does not prevent them from running programs that shut down Windows. 

If you disable this setting or do not configure it, the Shut Down menu option appears, and the Shut Down button is enabled.

Note: It is a requirement for third-party applications with Windows 2000 or later certification to adhere to this setting."

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