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Q325045: A "STOP 0x50" Occurs in Rdr.sys with the SRP Installed

Article: Q325045
Product(s): Microsoft Windows NT
Version(s): 4.0,4.0 SP6a
Operating System(s): 
Keyword(s): kbWinNT400nospFix
Last Modified: 09-JUL-2002

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The information in this article applies to:

- Microsoft Windows NT Server versions 4.0, 4.0 SP6a 
- Microsoft Windows NT Workstation versions 4.0, 4.0 SP6a 
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SYMPTOMS
========

A "Stop 50" error may occur in Rdr.sys.

CAUSE
=====

Rdr uses a fixed length for a string. This causes a problem if the origin buffer
is smaller than the appropriate length and is on a page boundary.

RESOLUTION
==========

A supported fix is now available from Microsoft, but it is only intended to
correct the problem that is described in this article. Apply it only to systems
that are 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 about support costs, visit the following Microsoft Web site:

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

NOTE: In special cases, charges that are ordinarily incurred for support calls
may be canceled if a Microsoft Support Professional determines that a specific
update will resolve your problem. The usual 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 has the file attributes (or later) that are
listed in the following table. The dates and times for these files are listed in
coordinated universal time (UTC). When you view the file information, it is
converted to local time. To find the difference between UTC and local time, use
the Time Zone tab in the Date and Time tool in Control Panel.

  Date         Time   Version        Size     File name  Platform
  ---------------------------------------------------------------
  27-Jun-2002  13:47  4.0.1381.7176  266,192  Rdr.sys    ix86

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



STATUS
======

Microsoft has confirmed that this is a problem in the Microsoft products that
are listed at the beginning of this article.


Additional query words:

======================================================================
Keywords          : kbWinNT400nospFix 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTS400sp6 kbWinNTS400search kbWinNTS400 kbWinNTW400SP6a
Version           : :4.0,4.0 SP6a
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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