I've got a curious phenomenon here: all my servers, which used to be visible in Network Neighborhood, have vanished there! Although they are still accessible using \\servername.
I'm not totally sure but it might be since I've plugged a Mac Snow Leopard server (10.6) into the network? I've tried to disable all non-essential services on it though (we use it as fileserver for the graphics department mostly). I've also added the Mac server to our Windows (2003) domain.
So any help to make my servers visible again would be greatly appreciated ...