To prevent multihomed Windows NT servers from becoming browser servers:
Click Start, point to Settings, click Control Panel, and then double-click Services.

Click Computer Browser, click Properties, and then click Manual.

Click OK, click Close, and then restart the computer.

Or, use Registry Editor (Regedt32.exe) to edit the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters\MaintainServerList
Change the value of this key to false, quit Registry Editor, and then restart your computer.

NOTE: In Windows 2000, instead of the value false, use the value, no.

To encourage singlehomed computers to become the browser servers, use Registry Editor (Regedt32.exe) to edit the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters\IsDomainMaster
Change the value of this key to yes, quit Registry Editor, and then restart your computer.