You can do this with a Group Policy in Windows 2003.
If you run W2K, you'll have to use a 3th party freeware utility like
LockSingleUser from http://thethin.net/r25b.zip
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.