This utiltity allows you to change the ids of FAT and NTFS disks on both Windows NT/2K and Windows 9x. Notice: (1)The Id must be in the following hexadecimal format: xxxx-xxxx (2)Login as an administrator who has full administration privileges for the system on Windows 2000/XP/2003. (3)New NTFS volume ids will not appear in directory listings until after the next reboot.