ScanDisk and Backup Report Different Amounts of Free Space

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This article was previously published under Q181670

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SYMPTOMS

The ScanDisk and Backup tools in Windows 98 may report different amounts of used and free space on a hard disk.

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ScanDisk determines free space by multiplying the available clusters by the cluster size. Backup reads the directory entries and adds the file sizes together to determine the amount of space necessary for storing the backup. Because these two methods do not yield the same result, ScanDisk and Backup report different amounts of used and free space.

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