NT Domain

[Dennis Prather]

We have a Freebsd 3.5 server running samba 2.03. This samba server is our
Domain controller. At one point we where able to go into a Windows NT 4.0
box and add user names from the domain. Now all of a sudden when I try to
add a name from the domain I get this message " Unable to browse the
selected domain because the following error occurred: The tag is invalid.
Can anyone help solve this problem?