How To Shut Down All Pc(s) On the Network

Right click my computer, choose manage (computer management opens).In the left column it says Computer Management (local)
Right click it and choose: Connect to another computer
Select your computer you wish to shut down
Right click (where it used to say computer managment (local)....Then you get the computer information Goto the advanced tab and at the bottom choose Startup and Recovery and click the (mighty) shutdown button.its the super mighty Shut button by Faraz i guess(JK).LOL


or


if that aint work try looking at this Video
Quote
http://www.metacafe.com/watch/375517/how_to_remotely_shutdown_other_pcs_on_the_network/

Usage:

SHUTDOWN [-i | -l | -s | -r | -a] [-f] [-m \\computername] [-t xx] [-c "comment"] [-d upx:yy]


-i Display GUI interface, must be the first option

-l Log off (cannot be used with -m option)

-s Shutdown the computer

-r Shutdown and restart the computer

-a Abort a system shutdown

-m \\computername Remote computer to shutdown/restart/abort

-t xx Set timeout for shutdown to xx seconds

-c "comment" Shutdown comment (maximum of 127 characters)

-f Forces running applications to close without warning

-d [p]x:yy The reason code for the shutdown
u is the user code
p is a planned shutdown code
xx is the major reason code (positive integer less than 256)
yy is the minor reason code (positive integer less than 65536)