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“NTFSInfo tool” and “NtfsMftZoneReservation” registry setting

NTFSInfo and NtfsMftZoneReservation

NTFSInfo” is a little applet that shows you information about NTFS volumes.
Its dump includes the size of a drive’s allocation units, where key NTFS files are located, and the sizes of the NTFS metadata files on the volume. This information is typically of little more than curiosity value, but NTFSInfo does show some interesting things.

Installation and Use
NTFSInfo works on all versions of NTFS, but NTFS for Windows NT 5.0 has different meta-data files that NTFSInfohas not been programmed for yet. In order for NTFSInfo to work you must have administrative privilege.
To use it, type “NTFSInfo x”, where ‘x’ is the drive letter of the NTFS volume that you want to examine.

To Download click here.


Probably the most important of the key system (metadata) files that define an NTFS volume, the Master File Table or MFT is the place where information about every file and directory on an NTFS volume is stored
If you have problem with the free space, the system become slow, you can add/increase “NtfsMftZoneReservation” value, perform the following steps:

  • Run Registry Editor (Regedt32.exe), and go to the following subkey:
  • HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\FileSystem
  • From the Edit menu, click Add Value.
  • Type the following information in the dialog box:
    • Value Name: NtfsMftZoneReservation
    • Data Type : REG_DWORD
    • Data : (valid range is 1-4)

If the range is equal to “1” then you will allocate for MFT 200MB, if the range is “2” then 400Mb … and so on.
For further information click on http://support.microsoft.com/kb/961095.

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