>>Did you install the latest service pack (SP3)?
>
>Thanks Sergey,
>Did you mean Win2k SP3? I am not sure, it is one of my client's machine, I think I should check it out. Can I find this problem in Microsoft Knowledge Base?
Yes, Win2k SP3. Also take a look at
Server Optimization in RFCB Caching mskb #
Q126026.
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