Event ID 8003 Source: mrxsmb - The Master Browser Has Received a Server Announcement that believes it is the master Browser

Event ID 8003 contains description as below and it mostly comes on Domain Controller’s and it must be on your Primary Domain Controller or at least a Server holding PDC Emulator role. I am getting this error because of an Microsoft ISA Server 2006.

“The master browser has received a server announcement from the computer <MAC-ISA> that believes that it is the master browser for the domain on transport NetBT_Tcpip_{07365139-D064-41C7-B. The master browser is stopping or an election is being forced.”

As per Microsoft "This computer is a master browser, and another computer has announced that it is the master browser. There can be only one master browser on a subnet at any given time. This message is logged for informational purposes only”.

Solutions:

Identify Culprit First: Look at the System Event log on your server and look for the error 8003. Within that log, identify the “computer” that is announcing itself as a master browser.
  1. If your identified computer is an [Read More .. ]

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