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AbortSystemShutdown info  Overview  Group

The AbortSystemShutdown function stops a system shutdown started by using the InitiateSystemShutdown function.

BOOL AbortSystemShutdown(

    LPTSTR lpMachineName 

// pointer to name of computer to stop shutting down



Pointer to the null-terminated string that specifies the network name of the computer where the shutdown is to be stopped. If lpMachineName is NULL or points to an empty string, the function stops the shutdown on the local computer.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.


The InitiateSystemShutdown function displays a dialog box that notifies the user that the system is shutting down. During the InitiateSystemShutdown time-out period, the AbortSystemShutdown function can prevent the system from shutting down.

To stop the local computer from shutting down, the calling process must have the SE_SHUTDOWN_NAME privilege. To stop a remote computer from shutting down, the calling process must have the SE_REMOTE_SHUTDOWN_NAME privilege on the remote computer. By default, users can enable the SE_SHUTDOWN_NAME privilege on the computer they are logged onto, and administrators can enable the SE_REMOTE_SHUTDOWN_NAME privilege on remote computers.

Failures of the AbortSystemShutdown function are typically due to an invalid computer name, an inaccessible computer, or insufficient privilege.

See Also


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