Make remote shutdowns a cinch

"Eventually, all of us who manage computer networks need to reboot multiple computers as part of a maintenance task. The Windows Server 2003 or Windows XP Shutdown command and the Shutdown utility from the Microsoft Windows 2000 Server Resource Kit provide basic functionality but often fall short when dealing with shutdown variations on multiple remote computers. Sysinternals' PsShutdown, one of the tools in Sysinternals' free PsTools utility suite, offers more flexibility and power than the Microsoft Shutdown tools do. Plus, PsShutdown works on Windows NT 4.0 and later, although some options require Win2K or later."

Read Mark Russinovich's article, PsShutdown