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When you try to open a computer folder on a NetWare-based (or compatible) network from a Windows 2000 computer that is running Microsoft's Client Service for Netware, you may experience a delay of 20-30 seconds.
This problem can occur when the Windows Explorer program tries to open the remote registry to determine if the computer supports a Task Scheduler to display the Scheduled Tasks folder. The API that performs this operation takes a long time to time out and not work.
You can get more information about this issue from this page on Microsoft's Support Site.