Error Message: Drive Cannot Be Compressed...DRVSPACE 748

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This article was previously published under Q226870

SYMPTOMS

When you attempt to compress a drive using DriveSpace 3, you may receive the following error message:

Drive X: cannot be compressed because its root directory is too large. IDNUMBER: DRVSPACE748

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CAUSE

This error message occurs because the root folder of the drive is capable of holding more than 512 entries. This can occur under any of the following conditions:

A third-party disk partitioning utility was used to partition the drive.
A utility was used to convert the drive to the FAT32 file system and then back to the FAT16 file system.
The drive was created from a drive image that had the drive properties set incorrectly.

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RESOLUTION

To resolve this problem, use one of the following methods.

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Method 1

Use the third-party disk partitioning utility to set the partition with the following properties:

   Partition size: <2 GB
   File system: FAT16
   Root folder size: 512 entries
  
   Partition size    Cluster size
   ------------------------------
   1 GB - 2 GB           32 KB
   512 MB - 1 GB         16 KB
   256 MB - 511 MB        8 KB
   32 MB - 255 MB         4 KB

For information about how to use your disk partitioning software, please consult the software's documentation or manufacturer.

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