We have a system with Windows 2000 server and Active Directory. Sometimes it hangs or starts some malfunctioning. Suggest some solution listing possible causes.

List of things to check:

1. Check Event Viewer for errors
2. Check Device Manager for non-functioning h/w
3. Run sigverif.exe to check Drivers
4. Update drivers
5. Check RAM
6. Check PSU, and system or CPU Fans are ok
7. Try a system diagnosis program e.g Sisoft Sandra