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NT4-error: "Fat File System"

Posted on 1999-01-17
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Last Modified: 2008-02-26

Yesterday I got the following NT4 blue screen error:
*** Stop: 0x00000023 (0x000F0094, 0xF743BB10, 0xF743B94C, 0x80135BFE)
FAT_FILE_SYSTEM ***
Address 80135bfe has base at 80100000 - ntoskrnl.exe

CPUID: GenuineIntel 6.5.2  irql=1f Sysver 0xf0000565

/etc/

What does that mean??

rgds/Marcel Wulffraat.
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Question by:wulffra
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Expert Comment

by:bifi
ID: 1137631
This is what I found on the Knowledge Base of September. The article was was written for NT 3.51... May be it helps.

Stop 0x23 Errors in Fastfat.sys
Last reviewed: March 24, 1997
Article ID: Q142628  
The information in this article applies to:
Microsoft Windows NT Workstation version 3.51
Microsoft Windows NT Server version 3.51
SYMPTOMS
A STOP 0x00000023 FAT_FILE_SYSTEM error message occurs when a floppy disk is inserted or removed while Windows NT 3.51 is in the process of shutting down.



CAUSE
The version of Fastfat.sys distributed with Windows NT 3.51 has the potential of showing the above symptom. There is a very small window of time while Windows NT is mounting a FAT volume, such as a floppy disk, during which a request to determine whether or not it is safe to unmount the same volume may cause the above error.



WORKAROUND
Install Service Pack 5 or later for Windows NT 3.51.



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
Keywords : kbbug3.51 kbother ntfilesys NTSrvWkst
Version : 3.51
Platform : WinNT


THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Last reviewed: March 24, 1997
© 1998 Microsoft Corporation. All rights reserved. Terms of Use.
 


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Expert Comment

by:Nocturnal020499
ID: 1137632
Try reintalling winNT with service pack 4, or just reloading NT.
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Accepted Solution

by:
con_____ earned 100 total points
ID: 1137633
My technet disk reported the following for this exact error in NT4 (paraphrased to not breach copyright):

NT4 can create your error when you have attempted to read a corrupted floppy disk from Windows Explorer or My COmputer.

Reason
 
The floppy disk has a long file name entry which NT can't handle because it only likes FAT16 (8character dot 3chearacter extension filenames). Microsoft say they didn't allow Service Pack 3 or earlier check for this error, so it blue screens - nice eh?.

So you are supposed to Run CHKDSK against floppy disk from a command prompt before attempting to view the disk contents in Explorer. MS want you to get a fix of FastFat.sys which should be on their website. You must install Service Pack 3 prior to the fix ore else use a later service pack. If a later service pack is used, I'll use service pack 4A as 4 has a major security bug.



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