if you fire up MMC (microsoft management console), and snap-in the computer management, then you can shut it down by:
a) connect to forign machine (must know username/password of someone with permission), by right-clicking "Computer Management (Local)" and selecting "connect to another computer".
b) right click "Computer Management (Forign Machine)" properties.
c) Advanced
d) Startup & Recovery
e) Shutdown button
f) choose what you want to do: Log off user, Shut down, Restart, Powerdown, and you can force apps to close.