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Q160715: Using LUA_correlator Field Causes WNAP to GPF

Article: Q160715
Product(s): Microsoft SNA Server
Version(s): WINDOWS:2.0,2.1,2.11,3.0
Operating System(s): 
Keyword(s): kbnetwork
Last Modified: 12-JUN-2001

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The information in this article applies to:

- Microsoft SNA Server, versions 2.0, 2.1, 2.11, 3.0 
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SYMPTOMS
========

When acquiring a session with a 16-bit LUA application using the SNA Server
Windows 3.x client software, the following error may be reported by
Drwatson.exe:

  WNAP had a 'Null Selector (Read)' fault at WINRUI.

CAUSE
=====

Using the LUA_correlator field instead of the LUA_sid field within the
RUI_INIT() will cause this error.

RESOLUTION
==========

To resolve this problem:

- Use the LUA_SID field in the RUI_INIT() instead.

There is no functional difference.

STATUS
======

Microsoft has confirmed this to be a problem in SNA Server versions 2.0, 2.1,
2.11 2.11SP1, and 3.0. We are researching this problem and will post new
information here in the Microsoft Knowledge Base as it becomes available.

Additional query words:

======================================================================
Keywords          : kbnetwork 
Technology        : kbAudDeveloper kbSNAServSearch kbSNAServ300 kbSNAServ200 kbSNAServ211 kbSNAServ210
Version           : WINDOWS:2.0,2.1,2.11,3.0
Issue type        : kbbug

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