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You can use the standard Computer Management which is included in W2K-Pro and W2K-Server.
Right-click My Computer on the Desktop, choose Manage
or
Start/Control Panel/Administrative Tools/Computer Management
or
type compmgmt.msc at a command prompt.
In the console Tree, right-click Computer Management (Local) and choose "Connect to Another Computer"
Provided you have Admin-rights on that computer, you can start messing around on the other PC
I have to admit that I have this knowledge from an excellent book:
Microsoft Windows 2000: Professional Expert Companion,
written by Craig Stinson and Carl Siechert
Published by Microsoft Press $39.99
ISBN 0-7356-0855-5