Error Message on Multiprocessor System Cites Unreadable File but CHKDSK Finds No Corruption (289171)

The information in this article applies to:

Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional

This article was previously published under Q289171

SYMPTOMS

On a multiprocessor system, you may receive the following error message:

The file or directory \directoryname\filename is corrupt and unreadable please run the CHKDSK utility

Running CHKDSK does not reveal any file corruption.

CAUSE

This issue can occur if multiple I/O Request Packets (IRPs) attempt to modify a file simultaneously. The error message appears if an IRP is returned with the error code STATUS_FILE_CORRUPT_ERROR. This behavior occurs only on multiprocessor systems that are using the NTFS file system.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

STATUS

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

This problem was first corrected in Windows 2000 Service Pack 2.

MORE INFORMATION

The following sequence of events produces this error:

The first process opens a file.
The second process opens the same file.
The first process gets file attributes.
The second process renames the file.
The first process closes the file handle, resulting in cleanup. This IRP will be returned with STATUS_FILE_CORRUPT_ERROR.

Modification Type:	Major	Last Reviewed:	11/19/2003
Keywords:	kbbug kbenv kbfix KB289171