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Event ID: 8020 Source: Browser

Source
Level
Description
The browser was unable to promote itself to master browser. The computer that currently believes it is the master browser is unknown.
Comments
 
As per Microsoft: "In any workgroup or domain, only one computer is allowed to be the master browser. Another computer in the workgroup or domain is functioning incorrectly as the master browser, but the computer is not recognized". See MSW2KDB for additional information about this event.
This event occurs when a WinNT server machine boots up, and it does not have connectivity with the PDC. Restore the connectivity and it will not occur again.

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