Microsoft KB Archive/221210

= Browsing with a Multihomed PDC =

PSS ID Number: 221210

Article Last Modified on 10/14/2002

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The information in this article applies to:


 * Microsoft Windows NT Server 4.0 Terminal Server Edition
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0
 * Microsoft Windows NT Server, Enterprise Edition 4.0

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This article was previously published under Q221210



SYMPTOMS
You may encounter browsing problems in a TCP/IP environment with a multihomed primary domain controller (PDC). One of the problems you may encounter is incomplete browse lists.



RESOLUTION
The Domain Master Browser service properly binds to only one network interface. The role of domain master browser is served by the PDC. It is preferred and suggested that your PDC not be multihomed.

If your PDC is multihomed because it is serving as a router and you are not afforded the option to promote a singlehomed backup domain controller (BDC) to PDC, you can try the following technique to work around this problem.

Unbind the WINS Client (TCP/IP) interface from all of your adapters except for one. This will also unbind the NetBIOS, Workstation, and Server interfaces from this card. It is recommended that these bindings remain on the adapter on the busiest segment. Although the WINS Client (TCP/IP) interface is unbound from the other adapters, there will still be connectivity to the PDC from the other segments. The TCP/IP Protocol interface is left bound, which will be able to route the requests to the bound interface. After unbinding the additional adapters, you should make sure that WINS and any LMHosts files do not refer to the unbound adapters.

Follow these steps to unbind the WINS Client (TCP/IP) interface:


 * 1) In Control Panel, double-click Network.
 * 2) Click the Bindings tab.
 * 3) In the Show Bindings For drop down box, select All Adapters.
 * 4) Expand all of the adapters.
 * 5) Select WINS Client (TCP/IP) and click Disable.



MORE INFORMATION
For additional information, see the following article or articles in the Microsoft Knowledge Base:

188305 Troubleshooting the Microsoft Computer Browser Service

191611 Symptoms of Multihomed Browsers

Keywords: kbprb KB221210

Technology: kbNTTermServ400 kbNTTermServSearch kbWinNT351search kbWinNT400search kbWinNTS351 kbWinNTS351search kbWinNTS400 kbWinNTS400search kbWinNTsearch kbWinNTSEnt400 kbWinNTSEntSearch kbWinNTSsearch

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