Master browser problem...

Getting this error in our domain controller from the ISA server that thinks it's the master browser

The master browser has received a server announcement from the computer ISASERVER that believes that it is the master browser for the domain on transport NetBT_Tcpip_{54BBEA32-9A77-4EDA-. The master browser is stopping or an election is being forced.

Read a few things but still not sure why this is happening and how to fix it...
CRNeoAsked:
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Giuseppe "Pino" De FrancescoSenior Solution ArchitectCommented:
ISASERVER is w2003? and, has a VPN access configured?
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Giuseppe "Pino" De FrancescoSenior Solution ArchitectCommented:
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TheCleanerCommented:
My standard "post" in these questions:

See here:

http://www.howtonetworking.com/Windows/computerbrowser.htm

http://www.windowsnetworking.com/kbase/WindowsTips/WindowsNT/RegistryTips/Network/PreferredMasterBrowser.html


http://technet2.microsoft.com/WindowsServer/en/Library/e1cc4f8c-04f5-4b98-a04c-1ba601fb5d421033.mspx

The second link, click on the link for "How computer browser service works"

cut/paste of some of the text:

Browser elections occur to select a new master browse server under the following circumstances:

• When a computer cannot locate a master browse server.
 
• When a preferred master browse server comes online.
 
• When a Windows-based domain controller starts.
 
• When a back-up browse server cannot contact the master browse server to obtain updates to the browse list.
 


Browser Election Criteria

Election Criteria Value Windows Election Field
Windows 98
 0x01000000
 
Windows XP Professional, Windows 2000
 0x10000000
 
Windows Server 2003, Windows 2000 Server
 0x20000000
 
Election version
 0x00FFFF00
 
Version-specific criteria
 0x000000FF
 
PDC
 0x00000080
 
WINS system
 0x00000020
 
Preferred master
 0x00000008
 
Running master
 0x00000004
 
MaintainServerList = Yes
 0x00000002
 
Running backup browse server
 0x00000001
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CRNeoAuthor Commented:
So basically i just need to make sure that the IsDomainMaster value on the domain controller is set to TRUE then that should be ok ?
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TheCleanerCommented:
That will force the DC to be the Domain Master browser...yes.

However, that won't necessarily stop the ISA server from starting a browse election, but it will lose the election.

On the ISA server, go here:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters\

And make sure that MaintainServerList is set to No

This will prevent it from even wanting to be a browser list server.


My "personal" way of doing things is to disable the computer browser service on all workstations and member servers, and only let the DC's hold browser lists, but don't do this unless you are certain that's how you want things setup and that you don't need the browser service running on those other servers.
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Windows Server 2003

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