it's a .cmd file and I use shutdown.exe from the Resource Kit, though I'll be switching that to psshutdown because it honors the power down as well. It's manually executed by an administrator if needed.
K. Brian Kelley
http://www.truthsolutions.com/
Author: Start to Finish Guide to SQL Server Performance Monitoring
http://www.netimpress.com/shop/product.asp?ProductID=NI-SQL1
K. Brian Kelley
@kbriankelley