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Q164016: Err Msg: Event ID: 4320 Duplicate Name on Network

Article: Q164016
Product(s): Microsoft Windows NT
Version(s): WinNT:3.51,4.0
Operating System(s): 
Keyword(s): kbnetwork
Last Modified: 10-AUG-2001

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The information in this article applies to:

- Microsoft Windows NT Server versions 3.5, 3.51, 4.0 
- Microsoft Windows NT Workstation versions 3.5, 3.51, 4.0 
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SYMPTOMS
========

When you start your Windows NT-based computer, you may receive the following
error message:

  At least one service or driver failed during system startup.

The event viewer contains the following event log:

  Event ID: 4320
  Source:   NetBT
  Description: Another machine has sent a name release message to this
               machine probably because a duplicate name has been
               detected on the TCP network. The IP address of the node
               that sent the message is in the data. Use nbtstat -n in a
               command window to see which name is in the Conflict state.

CAUSE
=====

This behavior may be caused by a static mapping in the Windows Internet Name
Service (WINS) server, which may conflict with the multihomed registration of
your computer.

RESOLUTION
==========

To resolve this issue, delete the static mapping in the WINS server. To do so,
use the following steps:

1. On the WINS server computer, start the WINS Manager.

2. Click Mappings, click Static Mappings, and then click the entry that
  corresponds to your computer.

3. Click Delete Mapping, and then click close.

4. Restart your Windows NT-based computer (not the WINS server).

MORE INFORMATION
================

Microsoft recommends static mappings only for non-WINS aware computers which are
unable to register with a WINS server automatically.

A multihomed name registration allows a machine with more than one IP address to
register on a NetBIOS network without a name conflict.


Additional query words: entries
======================================================================
Keywords          : kbnetwork 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT351search kbWinNT350search kbWinNT400search kbWinNTW350 kbWinNTW350search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbWinNTS351 kbWinNTS350 kbWinNTS351search kbWinNTS350search
Version           : WinNT:3.51,4.0
Issue type        : kbprb

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