Master browser issue...

Posted on 2006-04-17
Last Modified: 2012-05-05
I have a laptop on a small Win2003 SBS domain..... When saving data to the server it fails to write the data to the share. I noticed that it looks like my Laptop thinks it is  the master browser  ( With a lot of great help from venom96737 and star_trek ) and events on the server verify that:

vent Type:      Error
Event Source:      MRxSmb
Event Category:      None
Event ID:      8003
Date:            4/17/2006
Time:            11:23:21 AM
User:            N/A
Computer:      NAT-LAW-1
The master browser has received a server announcement from the computer COBLENS that believes that it is the master browser for the domain on transport NetBT_Tcpip_{0D0B8B4A-0BD1-42C3-9. The master browser is stopping or an election is being forced.

For more information, see Help and Support Center at
0000: 00 00 00 00 03 00 4e 00   ......N.
0008: 00 00 00 00 43 1f 00 c0   ....C..À
0010: 00 00 00 00 00 00 00 00   ........
0018: 00 00 00 00 00 00 00 00   ........
0020: 00 00 00 00 00 00 00 00   ........

So I set the registry entry HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters\Maintainseverlist from TRUE to NO ( is NO correct or should it be FALSE ). and verified that the servers entry was TRUE.

My question is under the servers entry in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters\isDomainMaster should that be FALSE as it is or should it be TRUE?

Question by:rcoblens
    LVL 23

    Expert Comment

    Here's my canned answer on master browser issues:

    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
    LVL 23

    Expert Comment

    ***My question is under the servers entry in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters\isDomainMaster should that be FALSE as it is or should it be TRUE?

    It shoudl be set to TRUE if you want that server to be the domain master browser.  Every other server should be set to false.
    LVL 57

    Expert Comment

    by:Pete Long
    XP Has forced a browser election

    Usually the above gets logged on the domain controller it will aslso give you the name of the offending machine.

    GO to the client machine and

    Start > run > regedit {enter}
    Navigate to

    Modify the MaintainServerList and/or the IsDomainMaster key to a value explained here:

    MaintainServerList No This PC will not participate as a browser.

    Make sure the following DOES NOT exist

    IsDomainMaster True Designate this PC as the preferred master browser.

    Author Comment

    Alrighty, I did so I will see how it goes.

    This should not effect my VPN connect when going remote correct?

    Also to make absolutely sure: the laptop entry HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters\Maintainseverlist  ( is NO correct or should it be FALSE )
    LVL 23

    Accepted Solution

    MaintainServerList should be set to either YES or NO.  If set to NO, then the server will not be a browselist server.

    It will not effect VPN.
    LVL 23

    Expert Comment

    Thanks for the points!

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