DOCUMENT:Q299971  08-MAY-2002  [winnt]
TITLE   :"WLX_SAS_ACTION_LOCK_WKSTA" Returned from GINA Causes Shutdown
PRODUCT :Microsoft Windows NT
PROD/VER::4.0 SP6a
OPER/SYS:
KEYWORDS:kbWinNT400PreSP7Fix

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The information in this article applies to:

 - Microsoft Windows NT Server version 4.0 SP6a 
 - Microsoft Windows NT Workstation version 4.0 SP6a 
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SYMPTOMS
========

If "WLX_SAS_ACTION_LOCK_WKSTA" is returned from the Graphical Identification and
Authentication (GINA) component while a logoff procedure is in progress, the
computer may instead shut down.

CAUSE
=====

There is a condition that causes the main Winlogon loop to end; when this
occurs, a call is made to shut down the computer.

RESOLUTION
==========

A supported fix is now available from Microsoft, but it is only intended to
correct the problem described in this article and should be applied only to
systems experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the
fix. For a complete list of Microsoft Product Support Services phone numbers and
information on support costs, please go to the following address on the World
Wide Web:

   http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are normally incurred for support calls may
be canceled, if a Microsoft Support Professional determines that a specific
update will resolve your problem. Normal support costs will apply to additional
support questions and issues that do not qualify for the specific update in
question.

The English version of this fix should have the following file attributes or
later:

   Date          Time   Size     File name     Platform
   ----------------------------------------------------
   11-July-2001  11:51  343,312  Rpcrt4.dll    x86
   24-July-2001  13:32  192,784  Winlogon.exe  x86

NOTE: Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0
Service Pack 6a.



STATUS
======

Microsoft has confirmed this to be a problem in Windows NT 4.0.

MORE INFORMATION
================

This issue does not occur with Service Pack 6 (SP6) or Service Pack 6a (SP6a)
and the Security Rollup Package (SRP) installed. It occurs only with certain
post-SP6a Winlogon hotfixes installed.

For additional information about the SRP, click the article number below to view
the article in the Microsoft Knowledge Base:

   Q299444 Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)

Additional query words:

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Keywords          : kbWinNT400PreSP7Fix 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTS400sp6 kbWinNTS400search kbWinNTW400SP6a
Version           : :4.0 SP6a
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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