Microsoft KB Archive/199826

= Unable to Defragment Partition Smaller Than 16 MB =

Article ID: 199826

Article Last Modified on 2/25/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Datacenter Server

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This article was previously published under Q199826



SYMPTOMS
When you try to run Disk Defragmenter, you may receive the following error message

" :" has a 12-bit FAT. The defrag utility does not support 12-bit fat partitions.

where  is the letter of the drive you are trying to defragment.



CAUSE
This issue can occur if you are trying to defragment a FAT 12 partition of 16 MB or less. Windows 2000 does not include a defragmenting tool for FAT 12 partitions.



RESOLUTION
To work around this problem, back up the volume, reformat the volume, and then restore the backup to the volume. The data should be restored contiguously.



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

Keywords: kbenv kberrmsg kbprb KB199826

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