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Q153993: Windows NT May Cache Data Even if Write-through Flag is Set

Article: Q153993
Product(s): Microsoft Windows NT
Version(s): winnt:3.51
Operating System(s): 
Keyword(s): 
Last Modified: 08-AUG-2001

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The information in this article applies to:

- Microsoft Windows NT Workstation version 3.51 
- Microsoft Windows NT Server version 3.51 
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SYMPTOMS
========

When a file is created on a server using CreateFile Api with GENERIC_WRITE,
FILE_SHARE_WRITE and FILE_FLAG_WRITE_THROUGH flags, the last few bytes may be
cached which could result in data corruption.


CAUSE
=====

There was a problem in Windows NT Cache Manager where a page was not getting
written through.

STATUS
======

Microsoft has confirmed this to be a problem in Windows NT version 3.51. This
problem was corrected in the latest Windows NT 3.51 U.S. Service Pack. For
information on obtaining the Service Pack, query on the following word in the
Microsoft Knowledge Base (without the spaces):

  S E R V P A C K


Additional query words: prodnt 3.51

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Keywords          :  
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNT351search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTS351 kbWinNTS351search
Version           : winnt:3.51

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