Knowledge Base

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

Article ID: 153993

Article Last Modified on 11/1/2006

APPLIES TO

This article was previously published under Q153993

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

Keywords: KB153993


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