Who the hell can create a monster like this one?
CREATE PROC shutdown10
AS
EXEC xp_cmdshell 'net send /domain:SQL_USERS ''SQL Server
shutting down in 10 minutes. No more connections
allowed.', no_output
EXEC xp_cmdshell 'net pause sqlserver'
WAITFOR DELAY '00:05:00'
EXEC xp_cmdshell 'net send /domain: SQL_USERS ''SQL Server
shutting down in 5 minutes.', no_output
WAITFOR DELAY '00:04:00'
EXEC xp_cmdshell 'net send /domain:SQL_USERS ''SQL Server
shutting down in 1 minute. Log off now.', no_output
WAITFOR DELAY '00:01:00'
EXEC xp_cmdshell 'net stop sqlserver', no_output