Microsoft KB Archive/195841

= Event Viewer Error 9503: NWLinkIpx Illegal Parameters =

Article ID: 195841

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition
 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Server 4.0 Enterprise Edition
 * Microsoft BackOffice Server 4.0
 * Microsoft BackOffice Server 4.5
 * Microsoft BackOffice Small Business Server 4.0
 * Microsoft BackOffice Small Business Server 4.0a
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q195841



SYMPTOMS
After you restart a computer that has Microsoft Gateway Services for NetWare installed with the NWLink IPX/SPX protocol, all NetWare-based resources may be unavailable. When you use the IPXROUTE CONFIG command, an error message may be returned indicating an unknown command and the following error message may appear in Event Viewer:

  Event ID: 9503 Source: Nwlnklpx Type: Warning Description: The value for the NwlnkIpx parameter was illegal.



CAUSE
This behavior can occur if data values in the NwlnkIpx registry key are incorrect or damaged.



RESOLUTION
To remove the incorrect or damaged data values in the registry and restore NetWare connectivity:


 * 1) Remove the NWLink IPX/SPX protocol. To do this, click Start, point to Settings, click Control Panel, and then double-click the Network icon. Click the Protocols tab, click the NWLink IPX/SP protocol, and then click Remove.
 * 2) Restart the computer.
 * 3) Install the NWLink IPX/SPX protocol. To do this, click Start, point to Settings, click Control Panel, and then double-click the Network icon. Click the Protocols tab, click Add, and then double-click NWLink IPX/SPX Compatible Transport. When you are prompted, type the full path to the installation files folder (for example, D:\I386).
 * 4) When you are prompted to restart the computer, click Do Not Restart Windows.
 * 5) Reapply the latest Windows NT 4.0 service pack. For information about obtaining and installing the latest service pack for Windows NT 4.0, see the following article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack
 * 1) Restart the computer when the service pack installation is complete.



STATUS
Microsoft has confirmed this to be a problem in the products listed above.

Additional query words: novell

Keywords: kb3rdpartynetclient kberrmsg kbnetwork kbprb KB195841

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