Microsoft KB Archive/296379

= How to Disable NetBIOS on an Incoming Remote Access Interface =

PSS ID Number: 296379

Article Last Modified on 10/31/2003

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The information in this article applies to:


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional

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This article was previously published under Q296379



IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
By default, the Windows 2000 Routing and Remote Access feature turns on network basic input/output system (NetBIOS)on all incoming remote access connections over TCP/IP. Depending on your security and usage needs you may not need NetBIOS enabled on the dial-in interface for the RRAS server.

This article describes how to turn off NetBIOS on the server for remote access connections.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

To disable NetBIOS on the server for remote access connections, make the following changes on the Windows 2000 Server.  Start Registry Editor (Regedt32.exe). Locate and then click the following key in the registry:

\\HKEY_LOCAL_MACHINE\System\currentcontrolset\services\remoteaccess\parameters\ip

 On the Edit menu, click Add Value, and then add the following registry value:

Value name: DisableNetbiosOverTcpip

Data type: REG_DWORD

Radix: Hexadecimal

Value data: 1 or 0; 1 = Disable NetBIOS

 Quit Registry Editor.  Install the following hotfix. The English version of this fix should have the following file attributes or later:   Date       Time       Version        Size     File name 4/17/2001 7:23:40PM  5.0.2195.3516  197,392  Rasppp.dll

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows 2000 Service Pack 2 (SP2).

Additional query words: kbDirServices dialin disable bind bindings remote access

Keywords: kbDirServices kbenv kbfix kbprb kbWin2000sp3fix KB296379

Technology: kbwin2000Pro kbwin2000ProSearch kbwin2000Search kbwin2000Serv kbwin2000ServSearch

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