Microsoft KB Archive/173909

= XFOR: NNTP: History File Corrupted When Larger Than 2 GB =

Article ID: 173909

Article Last Modified on 9/30/2003

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APPLIES TO


 * Microsoft Commercial Internet System 1.0 Service Pack 2

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This article was previously published under Q173909



SYMPTOMS
The Internet News Service (INS) history file, History.hsh, gets corrupted and loses articles if the file size is allowed to grow larger than 2 GB.



CAUSE
INS does not account for 64-bit file lengths, so files larger than 2 GB are not updated correctly. INS uses a 32-bit value to hold the file offset, which is not large enough for a 2-GB file.



RESOLUTION
To resolve this problem, obtain the fix referenced below or wait for the next Microsoft Commercial Internet Server service pack.

With the fix applied, Nntpsvc.dll is modified to use 64 bits to maintain the history files offset.



STATUS
Microsoft has confirmed this to be a problem in MCIS version 1.0. A supported fix is now available, but has not been fully regression tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information.

Keywords: kbbug kbfix kbqfe KB173909

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