Racer's Lounge - who's good with windows server 2003?

i'm trying to setup a server to train some people on, and what i want to do is create a batch file that will corrupt an important file, and immediately restart it. what is an important file i can rename that isn't protected by windows during normal operations?

i have the batch file ready to go with the shutdown command, just need something else before that.

Try Google, bet you find some answers there.

Youre working on training people on server and dont know any important files in the OS? What is the server acting as? File server, domain controller, dhcp, dns???