Having a MAC OS X Server on a network for all windows computer,how to do the Remote Shutdown for another computer on the network.
shutdown /m \\Computername /s /t 0 is not working
You need to have Samba installed on your OS X server, and then you can run:
Note that these tools are not installed as a part of OS X 10.7 (and I assume higher, when there is higher) by default. For more details, see this Super User post.