There are two options for your case:
To fix this configure the WINS in my DC. But you can resolve this error with lmhosts on the network for netbios name resolution. If you do not want to configure WINS on your server, Microsoft has related information about this problem and how to resolve this with your network Routers. Just make sure the routers on the network are not forwarding UDP broadcasts. See Q190930.
or
Maybe the subnet mask of the Windows 2000 client computer is incorrect or is different from the primary domain controller. The client computer has attempted to promote itself to the master browser of the subnet and has failed.
To Fix: Change the TCP/IP protocol configuration to the correct subnet mask. See Q143153 and Microsoft Messages links.