DOCUMENT:Q155495  09-AUG-2001  [winnt]
TITLE   :Reference Counter Overflow in Security Descriptor Causes STOP
PRODUCT :Microsoft Windows NT
PROD/VER:winnt:3.51,4.0
OPER/SYS:
KEYWORDS:kbWinNT400sp4fix

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The information in this article applies to:

 - Microsoft Windows NT Server versions 3.51, 4.0 
 - Microsoft Windows NT Workstation versions 3.51, 4.0 
 - Microsoft Windows NT Server version 4.0, Terminal Server Edition 
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SYMPTOMS
========

After several weeks of operation, a very busy Windows NT computer may experience
a blue screen error message. This behavior has been observed on some Microsoft
Exchange servers and SAP R/3 servers.

CAUSE
=====

This problem occurs when the reference counter overflows due to the intense use
of security descriptors within an application (for example, for RPC
impersonation).


RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or
Windows NT Server 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
======

Microsoft has confirmed this to be a problem in Windows NT 4.0 and Windows NT
Server 4.0, Terminal Server Edition. This problem was first corrected in Windows
NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition
Service Pack 4.


Additional query words: 4.00

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Keywords          : kbWinNT400sp4fix 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT351search kbWinNT400search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbWinNTS351 kbNTTermServ400 kbNTTermServSearch kbWinNTS351search
Version           : winnt:3.51,4.0
Issue type        : kbbug
Solution Type     : kbfix

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Copyright Microsoft Corporation 2001.