This check determines the file system of each hard drive to ensue that it's using the NTFS file system. NTFS is a secured file system that allows you to control or restrict access to individual files or directories. For example, if you want to allow your co-workers to be able to view your files, but not change them, you can do this by using the Access Control Lists (ACLs) provided by NTFS.
Note: For this check to succeed, the drive must be shared using administrative drive shares.
Default Access Control Settings in Windows 2000
How to Restore the Default NTFS Permissions for Windows 2000
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