DOCUMENT:Q195841  27-JUL-2001  [winnt]
TITLE   :Event Viewer Error 9503: NWLinkIpx Illegal Parameters
PRODUCT :Microsoft Windows NT
PROD/VER:WINNT:4.0,4.0a,4.5
OPER/SYS:
KEYWORDS:kberrmsg kbnetwork 3rdpartynet kb3rdPartyNetClient

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The information in this article applies to:

 - Microsoft Windows NT Server version 4.0 
 - Microsoft Windows NT Server, Enterprise Edition version 4.0 
 - Microsoft BackOffice Server versions 4.0, 4.5 
 - Microsoft Windows NT Server version 4.0, Terminal Server Edition 
 - Microsoft BackOffice Small Business Server versions 4.0, 4.0a 
 - Microsoft Windows NT Workstation version 4.0 
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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:

   Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

6. 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

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Keywords          : kberrmsg kbnetwork 3rdpartynet kb3rdPartyNetClient 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400xsearch kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400 kbWinNTS400xsearch kbWinNTS400 kbNTTermServ400 kbNTTermServSearch kbAudDeveloper kbBackOfficeSearch kbSBServSearch kbBackOfficeServ400 kbBackOfficeServ450 kbSBServ400 kbSBServ400a
Version           : WINNT:4.0,4.0a,4.5
Hardware          : ALPHA x86
Issue type        : kbprb

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Copyright Microsoft Corporation 2001.