Master File Table Can't be Defragmented

The Master File Table (MFT) is the area on an NTFS disk partition where Windows NT keeps all the information necessary for the operating system to retrieve files from the disk partition. The MFT also contains information such as the file creation, modification, and backup dates and times. In essence, the MFT contains everything Windows NT needs to know about the files on the partition.

Since the MFT is held open for exclusive use, Diskeeper is unable at this time to move any pieces of this critical system file. Otherwise, data integrity would be jeopardized.

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