Specify default disk quota limits and warning levels

This setting determines the amount of disk space each user can use on each NTFS file system volume on the computer, and also specifies the warning level.

Run Registry Editor, open Hkey_local_machinesoftwarepoliciesmicrosoftwindows Ntdiskquota, add key value items limit, limitunits, Threshold, Thresholdunits (if you do not have these key values, you can create a new) assignment of "1000", "2", "100", "2".

The value of "Limit" and "Threshold" can range to 0~1000, and the adjacent two values differ by 10.