Event Message:

The browser was unable to promote itself to master browser. The computer that currently believes it is the master browser is computer name.

Source Event Log Event ID Event Type
Browser System 8009 Error


In a 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.

User Action:

Contact your network administrator to stop the specified computer by exiting Windows. The network administrator can change the TCP/IP protocol configuration to the correct subnet mask.