DOCUMENT:Q250560  08-MAY-2002  [winnt]
TITLE   :Terminal Server Hangs While Closing Down a Session
PRODUCT :Microsoft Windows NT
PROD/VER:winnt:4.0
OPER/SYS:
KEYWORDS:kbWinNT4sp6fix

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The information in this article applies to:

 - Microsoft Windows NT Server version 4.0, Terminal Server Edition 
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SYMPTOMS
========

The Terminal Server randomly stops responding (hang) and you receive the
following error message on a blue screen:

   Stop 0x1Ee

CAUSE
=====

The error actually occurs when a Terminal Server client is logging off a
session. Terminal Server is trying to access the client's System Tray window
despite the fact that it has already been closed.

RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Windows NT Server
version 4.0, Terminal Server Edition. For additional information, please see the
following article in the Microsoft Knowledge Base:

   Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack


STATUS
======

This problem was first corrected in Windows NT Server version 4.0, Terminal
Server Edition Service Pack 6.

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

The stack trace from this hang looks something like this:

bd1d3d78 a304f6b0 a414cb88 0000019a a5081338 win32k!IsTrayWindow+0x40
bd1d3dbc a30292e7 a414cb88 e2893b68 a3054573 win32k!xxxDestroyWindow+0x233
bd1d3dc8 a3054573 a5081338 e2893c08 e2893b68 win32k!HMDestroyUnlockedObject+0x6f
bd1d3ddc a3054961 bd1d3e08 807b1184 00000000 win32k!DestroyThreadsObjects+0xa2
bd1d3df4 a3053865 807b1184 00000001 a305374a win32k!xxxDestroyThreadInfo+0x141
bd1d3e08 a30537b3 e2893b68 00000001 e2893b68 win32k!UserThreadCallout+0xad
bd1d3e1c 801a38cd e2893b68 00000001 807b1184 win32k!W32pThreadCallout+0x29
bd1d3ea4 801a35f8 00000000 82c7d608 8011c38d ntkrnlmp!PspExitThread+0x253
bd1d3eb0 8011c38d 82c7d608 bd1d3ee8 bd1d3ee4 ntkrnlmp!PsExitSpecialApc+0x1a
bd1d3eec 801475a4 00000001 00000000 bd1d3f04 ntkrnlmp!KiDeliverApc+0x181
bd1d3eec 77ee199f 00000001 00000000 bd1d3f04 ntkrnlmp!KiServiceExit+0x59
bd1d3d78 a304f6b0 a414cb88 0000019a a5081338 +0x77ee199f

The bottom of the stack may be different, but the problem always occurs in
win32k!IsTrayWindow.

Additional query words:

======================================================================
Keywords          : kbWinNT4sp6fix 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbNTTermServ400 kbNTTermServSearch
Version           : winnt:4.0
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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