Microsoft KB Archive/132157

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TCP/IP Fails to Bind to Server After You Install RAS Server
'Article ID: Q132157

Creation Date: 29-JUN-1995

Revision Date: 24-SEP-1996' The information in this article applies to:


 * Microsoft Windows NT Workstation versions 3.5 and 3.51
 * Microsoft Windows NT Server versions 3.5 and 3.51
 * Microsoft Windows NT Server version 4.0
 * Microsoft Windows NT Workstation version 4.0

SYMPTOMS

After you install the Windows NT Remote Access Service (RAS) server with TCP/IP enabled for dial-in or a RAS client with dial-out TCP/IP support, and restart Windows NT, the following error message appears:

At least one service or driver failed during system startup The following events appear in the system log: Event ID: 2504 Source: Server Type: Error Description: The server could not bind to the transport \device\Netbt_Nicdrvr.

Event ID: 2144 Source: Workstation Type: Error Description: The computer name already exists on the network. CAUSE

This error occurs when a Windows Internet Naming Service (WINS) server uses static mappings for the RAS computer name. The computer was initially mapped as a unique name type. However, when the computer uses RAS, it becomes multihomed. Because of the static mapping, when the computer tries to register as multihomed, it is denied and a duplicate name is reported.

RESOLUTION

To correct this problem, do one of the following:

  Delete the static mapping. After the mappings are deleted, reboot the RAS server. It will register itself correctly with the WINS server. -or- 

- If you prefer to use static mappings, delete the unique mapping for the computer and re-map the entry as multihomed, entering the IP  address for the network interface card (NIC) only. Do not enter the IP  address for the RAS server.
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KBCategory: kbnetwork

KBSubcategory: ntras nttcp NTSrvWkst

Additional reference words: 3.50 3.51 prodnt event viewer 4.00