MRXMB & Computer browser errors

I have a server where this seems to be an ongoing issue and have been unable to resolve the issue. can anyone help? Explain what this means.

The server is a 2003 DC, File, Application and DNS roles installed.

the error in the event log is event 8032.

The browser service has failed to retrieve the backup list too many times on transport \Device\NetBT_Tcpip_{26E6A403-30A3-4EE5-9207-24A4233CC725}. The backup browser is stopping.
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Hypercat (Deb)Commented:
This indicates that the server is trying to act as a backup browse master on your network. For some reason it is unable to contact the master browser (the computer that holds the PDC Emulator role on your network) to retrieve the browse list. Here's a link to an page that has a good concise explanation as well as a number of possible solutions for this issue: 

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