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"Invalid Media" Error Message Formatting FAT32 Partition

Retired KB ArticleThis article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
Article ID:155349
Last Review:November 15, 2006
Revision:1.1
This article was previously published under Q155349

SYMPTOMS

When you try to format a FAT32 file system partition larger than 8025 MB from within Windows 95, you may receive the following error message
Verifying <xxx.xx>M
Invalid media or track 0 bad-disk unusable
Format terminated
where <xxx.xx> is the size of the partition.

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CAUSE

This error occurs if there is a non-DOS partition preceding the extended DOS partition and the primary DOS partition has been formatted using the real-mode FORMAT.EXE command.

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RESOLUTION

To resolve this issue, format the volume using the following steps:
1.Click the Start button, click Shut Down, click Restart The Computer In MS-DOS Mode, and then click Yes.
2.Type the following command and then press ENTER
format <drive>:
where <drive> is the drive letter for the partition you want to format.
3.When the partition is formatted, type exit to restart Windows 95.

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APPLIES TO
Microsoft Windows 95

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Keywords: 
kbdiskmemory KB155349

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