DOCUMENT:Q317140 06-AUG-2002 [winnt] TITLE :Event ID 3870, 7023, 2504 and 7002 Messages Are Logged PRODUCT :Microsoft Windows NT PROD/VER::4.0 OPER/SYS: KEYWORDS:ocsso ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== After you restart a Windows NT-based computer, the following event ID messages may be logged in the System log in Event Viewer: Event ID: 3870 Source: Workstation is not a valid computer name. -and- Event ID: 7023 Source: Service Control Manager Error The Workstation service terminated with the following error: A duplicate name exists on the network. -and- Event ID: 2504 Source: Server Description: The server could not bind to the transport Device\Netbt_ -and- 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. -and- Event ID: 7009 Source: Service Control Manager Description: Timeout (120000 milliseconds) waiting for service to connect. -and- 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. -and- 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. -and- 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. CAUSE ===== This behavior can occur if any one of the following conditions is true: - The computer has two network adapters and both network adapters attempt to register the same NetBIOS name with the Microsoft Windows Internet Naming Service (WINS). -or- - A static entry exists in the WINS database. -or- - There is a problem with a hardware component of the network, for example, a switch or router. RESOLUTION ========== To troubleshoot and resolve this issue: 1. If your computer is multiple-homed, disable the NetBEUI protocol that is bound to one of the network adapters. For additional information about how to disable the NetBEUI protocol, click the article numbers below to view the articles in the Microsoft Knowledge Base: Q197157 Workstation Service Does Not Start Q103470 NetBIOS Name Conflicts When NetBEUI Used on Multiple NICs If you continue to receive the event ID messages that are described in the "Symptoms" section of this article after you disable the NetBEUI protocol, go to step 2. 2. Determine if the WINS database contains static mappings. If a static entry exists, remove it, and then restart the computer. For additional information about how to remove static WINS entries, click the article number below to view the article in the Microsoft Knowledge Base: Q177140 How to Remove Static WINS Entries from All WINS Servers If you continue to receive the event ID messages that are described in the "Symptoms" section of this article after you remove the static WINS entries, go to step 3. 3. Disconnect the network cable from the computer, and then restart the computer. If you no longer receive the event ID messages that are described in the "Symptoms" section of this article, investigate possible network issues. For example, remove or disable the network components one by one to isolate the cause of this behavior, and then test to determine whether the event ID messages occur again. MORE INFORMATION ================ For additional information about how to troubleshoot the error messages that are described in the 'Symptoms' section of this article, click the article number below to view the article in the Microsoft Knowledge Base: Q166184 Event ID 3870 Not a Valid Computer Name For additional information about how to configure WINS in Windows NT, click the article number below to view the article in the Microsoft Knowledge Base: Q185786 Recommended Practices for WINS Additional query words: ====================================================================== Keywords : ocsso Technology : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400 Version : :4.0 Issue type : kbprb ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. 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