DOCUMENT:Q166184  08-AUG-2001  [winnt]
TITLE   :Event ID 3870: Not a Valid Computer Name
PRODUCT :Microsoft Windows NT
PROD/VER::3.5,3.51,4.0
OPER/SYS:
KEYWORDS:kbnetwork

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The information in this article applies to:

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

When you restart a computer running Windows NT, the following error occurs:

   Event ID: 3870
   Source: workstation
   <computer name> is not a valid computer name.

CAUSE
=====

A possible static entry in the WINS database is the cause of this problem.

RESOLUTION
==========

To resolve this problem, remove the static entry from the WINS database.

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

If the WINS server is multi-homed, check for split registration. If the WINS
server has split registration, configure the Primary and Secondary WINS entries
on both network adapters with the IP address of only one of the adapters.

The Event ID: 3870 will usually occur first. It causes a cascade of failures that
may include the following error messages:

   Event ID: 7023
   Source: Service Control Manager Error
   The Workstation service terminated with the following error:
   A duplicate name exists on the network.

   Event ID: 7001
   Source: Service Control Manager
   The Messenger service depends on the Workstation service which failed to start
   because of the following error:
   A duplicate name exists on the network.

   Event ID: 7002
   Source: Service Control Manager
   The TCP/IP NetBIOS Helper service depends on the NetworkProvider group and no
   member of this group started.

   Event ID: 7001
   Source: Service Control Manager Error
   The Computer Browser service depends on the Workstation service, which failed
   to start because of the following error:
   A duplicate name exists on the network.

   Event ID: 7001
   Source: Service Control Manager Error
   The Alerter service depends on the Workstation service which failed to start
   because of the following error:
   A duplicate name exists on the network.

   Event ID: 3870
   Source: Workstation
   <computer name> is not a valid computer name.


Additional query words: duplicate ras server launch boot start mappings Entries

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Keywords          : kbnetwork 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT351search kbWinNT350search kbWinNT400search kbWinNTW350 kbWinNTW350search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbWinNTS351 kbWinNTS350 kbNTTermServ400 kbNTTermServSearch kbWinNTS351search kbWinNTS350search
Version           : :3.5,3.51,4.0
Issue type        : kbprb

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