Master browser problem...

Posted on 2006-03-20
Last Modified: 2012-05-05
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...
Question by:CRNeo
    LVL 6

    Expert Comment

    by:Giuseppe De Francesco
    ISASERVER is w2003? and, has a VPN access configured?
    LVL 6

    Expert Comment

    by:Giuseppe De Francesco
    LVL 23

    Expert Comment

    My standard "post" in these questions:

    See here:

    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
    Windows XP Professional, Windows 2000
    Windows Server 2003, Windows 2000 Server
    Election version
    Version-specific criteria
    WINS system
    Preferred master
    Running master
    MaintainServerList = Yes
    Running backup browse server

    Author Comment

    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 ?
    LVL 23

    Accepted Solution

    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:


    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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