When you use the 'net view' command to view the resources of another computer in the domain, Windows 2000 issues 'An extended error has occurred'?
You could possibly have time synchronization issues on the client computer.
Verify that the time on the client is synchronized with the server. Verify that the time, date, and time zone are correct.
To force synchronization, open a CMD prompt and type:
net time \\ServerName /set