Microsoft KB Archive/176977

= STOP 0x00000023 FAT_FILE_SYSTEM with Corrupted Floppy Disk =

Article ID: 176977

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0, Terminal Server Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q176977



SYMPTOMS
A Windows NT 4.0 system may generate the following STOP code when an attempt is made to read a corrupted floppy disk from Windows NT Explorer or My Computer.

STOP 0x00000023 (0x000f00b5, 0xfc4af978, 0xfc4af7b4, 0xfeff4a6b)

FAT_FILE_SYSTEM

NOTE: All of the parameters may not be exactly the same.



CAUSE
The floppy disk has a long file name entry with an invalid ordinal. Windows NT 4.0 Service Pack 3 and earlier did not check for this condition.



RESOLUTION
To work around this problem, do the following:


 * Run CHKDSK against the corrupted floppy disk from a command prompt before attempting to view the disk contents in Explorer.

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Additional query words: trap 0x23 blue screen dump

Keywords: kbhotfixserver kbqfe kbbug kbfix KB176977

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