How to shut down all PCs on a network at a specific time, with a few exceptions.

I have a need to power down all PCs on the network (across two physical sites) that are still on after 10pm nightly.
There are about 40 PCs (out of 500+) that need to be kept on to run overnight processes or for remote connection for troubleshooting issues.

We have Windows Server 2000 and Windows Server 2003 for most of our servers. We also have Altiris for remote software deployment and remote control purposes.

How would I use either of these systems (Windows Server or Altiris) to power down the PCs, with some exclusions??Start Free Trial