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Event ID: 8015 Source: BROWSER

Source
Level
Description
The browser has forced an election on network <network> because a Windows 2000 Server (or domain master) browser is started.
Comments
 
See ME219017 for information on this event.
Self-explanatory. Whenever a computer that thinks that it can become Master Browser is started, it forces a browser election.
If you administer a large network and you receive lots of election events, you may judge that this can degrade network performance. You can avoid election initiations by clients (for example, NT Workstation / Win2000 Professional users) by setting the following key to 0 (zero) in the registry:
HKLM\CurrentControlSet\Services\Browser\Parameters\MaintainServerList.1
This is a perfectly normal message if a domain controller was started/rebooted.
When is caused by a member server or a workstation it is not normal. I would recommend having only 2 computers with the Computer Browser service running for each network segment, domain controllers if exists or member servers. There is no reason to have all Windows machines with Computer Browser service started.

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