I received this message at the NT Server Event Viewer(System Log)
with a STOP icon beside. Anyone could give me some light of what
is happening? There were once this thing happened and me NT Server
went "Blue Screen", then I had to restart me NT Server.Thanks.

NT Server System Event Viewer Message:-
"The master browser has received a server announcement from the computer MISTRAL that believes that it is the master browser for the domain on transport Nbf_CpqNF31. The master browser is stopping or an election is being forced."