DOCUMENT:Q248747  08-AUG-2001  [winnt]
TITLE   :Error Message: STOP 0x00000041 MUST_SUCCEED_POOL_EMPTY
PRODUCT :Microsoft Windows NT
PROD/VER:winnt:4.0
OPER/SYS:
KEYWORDS:kb3rdparty

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The information in this article applies to:

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

You may receive a "STOP 0x00000041 MUST_SUCCEED_POOL_EMPTY" error message on a
blue screen when the requested memory allocation cannot be satisfied for the
NonPagedPoolMustSucceed pool type for the ExAllocatePoolWithTag function.

RESOLUTION
==========

If you receive this error message, verify the version of the third-party
Ncrbynet.sys driver that is being used. The following version of the
Ncrbynet.sys file is known to cause a memory leak condition with Windows NT:

   Ncrbynet.sys Tue Oct 26 11:37:23 1999

To resolve this issue, contact NCR Corporation for an updated driver.

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

There is a limit of roughly 128 MB in Windows NT 4.0 on the amount of NonPaged
Pool memory that is available to a system. This is a hard-coded value that
cannot be modified. For additional information about the NonPagedPoolSize value,
click the article number below to view the article in the Microsoft Knowledge
Base:

   Q126402 PagedPoolSize and NonPagedPoolSize Values in Windows NT

The third-party products discussed in this article are manufactured by vendors
independent of Microsoft; we make no warranty, implied or otherwise, regarding
these products' performance or reliability.


REFERENCES
==========

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

   Q177415 How to Use Poolmon to Troubleshoot Kernel Mode Memory Leaks

Additional query words:

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Keywords          : kb3rdparty 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400 kbWinNTS400search kbWinNTS400 kbNTTermServ400 kbNTTermServSearch
Version           : winnt:4.0
Issue type        : kbprb

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Copyright Microsoft Corporation 2001.