Shutdown command becomes more powerful and automated when used from the command prompt or batch file.
Go to -> run -> cmd
In the command prompt type
cd\ press enter
shutdown /s /f /t 240 /m \\Server_Name_Or_Ip /c "comment"
Go to -> run -> cmd
In the command prompt type
cd\ press enter
shutdown /s /f /t 240 /m \\Server_Name_Or_Ip /c "comment"