Microsoft KB Archive/833605

= The User Name Mapping service does not start if the network cable is unplugged =

Article ID: 833605

Article Last Modified on 12/18/2003

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APPLIES TO


 * Microsoft Windows Services for UNIX 2.0 Standard Edition
 * Microsoft Windows Services for Unix 2.3
 * Microsoft Windows Services for UNIX 3.0 Standard Edition
 * Microsoft Windows Storage Server 2003

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SYMPTOMS
If you start Microsoft Windows Storage Server 2003 and if the network cable is unplugged, the User Name Mapping service does not start. Additionally, the event log will register the following error messages:  Error 1003:

Warning - &quot;Mapping information could not be obtained from Username Mapping&quot;, Source: NfsSvr, Event ID: 1003.

 Error 7022:

Error -&quot;The User Name mapping service hung on starting&quot;, Source: Service Control Manager, Event ID: 7022.

 Error 7034:

Error -&quot;The User Name mapping service has terminated unexpectedly&quot; Source: Service Control Manager, Event ID: 7034.



Although the exact event ID may vary, these errors occur on any Windows-based operating system with the versions of Microsoft Windows services for UNIX that are listed in the &quot;applies to&quot; section of this article.



CAUSE
These errors occur because the User Name Mapping service is dependent on the network connectivity and must have at least one network connection to start.



RESOLUTION
To resolve the problem if the network cable is unplugged, reconnect the network cable, and then restart the User Name Mapping service.

To prevent the User Name Mapping service from stopping, install the Microsoft Loopback Adapter. This adapter will make sure that at least one network connection is present.



STATUS
This behavior is by design.

Keywords: kbprb KB833605

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