DOCUMENT:Q238763  08-MAY-2002  [winnt]
TITLE   :Err Msg: STOP 0x00000050 in Tcpip.sys on Windows NT 4.0 SP4
PRODUCT :Microsoft Windows NT
PROD/VER:winnt:4.0 SP4
OPER/SYS:
KEYWORDS:

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The information in this article applies to:

 - Microsoft Windows NT Server version 4.0 SP4 
 - Microsoft Windows NT Workstation version 4.0 SP4 
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SYMPTOMS
========

A computer running Windows NT 4.0 Service Pack 4 (SP4) with the TCP/IP protocol
installed may experience the following bugcheck:

   STOP 0x00000050 (b8722ff8,00000000,00000000,00000000)

NOTE: The first parameter may vary from system to system.

CAUSE
=====

This behavior occurs because an address object is inadvertently freed when the
system is under heavy stress.

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. This fix may receive additional
testing at a later time, to further ensure product quality. Therefore, if you
are not severely affected by this problem, Microsoft recommends that you wait
for the next Windows NT 4.0 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services
to obtain the fix. For a complete list of Microsoft Product Support Services
phone numbers and information about 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
   -----------------------------------------------
  4/29/99   12:04PM   149 KB   Tcpip.sys   X86



STATUS
======

Microsoft has confirmed this to be a problem in Windows NT 4.0 Service Pack 4.


Additional query words:

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Keywords          :  
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400search kbWinNT400search kbWinNTW400sp4 kbWinNTSsearch kbWinNTS400sp4 kbWinNTS400search
Version           : winnt:4.0 SP4
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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