samba - Nov 2004 - workgroup set in smb.conf doesn't show on w2k clients

Hello,
version samba-2.2.7-3.7.3, OS redhat 7.3
I'm trying to figure out why I can't see the workgroup I set in the
smb.conf file, when using a windows 2K client. I see other workgroups but not
the samba one. Plus it was there at first, then over time it disappears.If I add
a pc to the workgroup, then I see everything including the linux boxes.
Thanks

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