NetDiag Warns about NetBT Errors Because Messenger Service Not Running

Mark Berry September 11, 2007

System and Configuration

I manage a server running Windows 2003 R2. This is a single-server network.
The server acts as an Active Directory controller and as a DNS server. There is one NIC with a fixed IP. The NIC is connected to a switch, which is connected to a router for
Internet access.

The Workstation service starts automatically and is running.

The Messenger service is disabled.

In TCP/IP Properties, WINS tab, there are no WINS addresses listed. LMHOSTS lookup is enabled. NETBIOS over TCP/IP is also enabled.

NetBT Warnings

A few weeks ago, I re-installed the NIC while trying to resolve another issue. That issue is gone, but I still have these NetBT warnings in my NetDiag.log:

        NetBT name test. . . . . . : Passed
            NetBT_Tcpip_{23A63922-12D1-4ED2-A70A-0654F1FBAEE1}
            MYSERVER        <00>  UNIQUE      REGISTERED
            MYSERVER        <20>  UNIQUE      REGISTERED
            MYDOMAIN        <00>  GROUP       REGISTERED
            MYDOMAIN        <1C>  GROUP       REGISTERED
            MYDOMAIN        <1E>  GROUP       REGISTERED
            MYDOMAIN        <1D>  UNIQUE      REGISTERED
            ..__MSBROWSE__.<01>  GROUP       REGISTERED
            MYDOMAIN        <1B>  UNIQUE      REGISTERED
        [WARNING] At least one of the <00> 'WorkStation Service', <03> 'Messenger Service', <20> 'WINS' names is missing.

 

NetBT name test. . . . . . . . . . : Passed
   No NetBT scope defined
    [WARNING] You don't have a single interface with the <00> 'WorkStation Service', <03> 'Messenger Service', <20> 'WINS' names defined.

Solution

I made two temporary changes:

  1. First I enabled and started the Messenger service.
  2. Second, I went into TCP/IP properties, WINS tab, and added the local server's IP as a the WINS server.

At this point, when I ran netdiag again, I got a WINS resolution error because WINS is not even installed on the server. However, the warnings above went away.

When I reversed my changes (removed the WINS server and disabled the Messenger service), the warnings re-appeared.

When I just re-enabled the Messenger service but not WINS, the netdiag warnings were gone again, and the WINS tests were skipped.

Conclusion

The warnings occur when the Messenger service is not running. Since I prefer not to run the Messenger service, I'll just ignore the warnings.

More...

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