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Solution: Error 1681 Data is compressed or sparse
When this error occurs on a Windows XP system, you can often fix the problem by disabling the Windows System Restore feature. To do this, right-click "My Computer," select "Properties," click the System Restore tab, and place a mark in the checkbox next to "Turn off System Restore on all drives."
If the error occurs on a Windows NT or 2000 system, or if turning off System Restore in XP does not solve the problem, perform the following:
1. In Windows, bring up a command prompt window.
2. Change to the root directory of the affected drive.
3. Enter the following at the command prompt: COMPACT /U /S /A /I /F *.*
IMPORTANT! This command uncompresses all the files in the partition you run it on. Consequently, you should have ample free space in the partition to accommodate the larger file sizes. Also, depending on how many files are compressed, this process can be quite time consuming. If you need to abort the process at any point, simply press Ctrl+C inside the command prompt window.
4. After the uncompression process is complete, perform a search for the file EGA.CPI.
5. When you find the file, right-click on it, select "Properties," click "Advanced," and verify that the file is uncompressed.
You should now be able to perform the file system conversion without getting Error 1681.
If you still receive the error, try locating and uncompressing the particular file that is referenced in the Error 1681 message by its FRS number (the first number that is not enclosed in parentheses). To do this:
1. Download the file "btini.zip" from
ftp.powerquest.com/pub/utilities, and then unzip the file.
2. Copy the BTINI.EXE file from the directory where you unzipped the "btini.zip" file to a floppy diskette.
3. Boot to the PartitionMagic rescue disk 1. When prompted for disk 2, insert the floppy diskette containing BTINI.EXE and press Enter.
4. Press Ctrl+C to halt the rescue disk batch process.
5. At the A:\ prompt, enter the following:
BTINI /SHOW
This command displays the partition ID for the NTFS partition.
6. Now enter the following command:
BTINI /FRS <partition ID for the NTFS partition>:<FRS number displayed in the Error 1681 message>
This command returns the filename associated with the FRS number referenced in the Error 1681 message.
7. Reboot the computer to Windows and search for the file reported by BTINI.
8. Uncompress or unencrypt the file.
You may also copy the file to another location and then delete it from its original location. After PartitionMagic has completed the conversion operation, you may then copy the file back to its original location.
For more information on using the BTINI utility, please see PowerQuest Solution PR2917.
If Error 1681 is still reported after you have tried all the preceding steps, then reboot Windows, search for compressed files manually using Windows Explorer, and uncompress the files you find. For instructions on how to do this, see PowerQuest Solution PR1036, "Uncompressing Files in Windows NT, 2000, and XP."
Problem Description:
Error 1681 Data is compressed or sparse, File <FRS number> (<number>). Click OK to cancel conversion.
Error 1681