There is a samba in the network configured as PDC, domain master browser, WINS server. There is also a number of sambae that are just fileserving. These broadcast a Name Query <1d> every 300 seconds. Other computers (win9x/me or 2k) don't do that. I found thins on a Microsoft doc, but I'm still confused. It's still not clear to me what purpose serves that broadcast, and what do I need to specify in the config files to eliminate it. \\domain_name[1Dh] Registered only by the Master Browser, of which there can only be one for each subnet. This name is used by the Backup Browsers to communicate with the Master Browser to retrieve the list of available servers from the Master Browser. WINS servers always return a positive registration response for domain_name[1D], even though the WINS server does not "register" this name in its database. Therefore, when a WINS server is queried for the domain_name[1D], the WINS server returns a negative response, which causes the client to broadcast to resolve the name. -- Systems and Network Administrator - Delta Romania Phone +4093-267961