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True partition hiding for Windows 2000/XP/2003/Vista/2008/7/8/10

All Windows versions from Windows 2000 and higher ignore the simple hiding of partitions, i.e. those partitions are still visible to Windows. To hide a partition under Windows 2000/XP/2003/Vista/2008/7/8/10 the partition must be true hid. When a partition is true hid the partition ID and the boot sector of the respective partition is modified. True hiding a partition is available with Boot-US 1.5.0 (or higher).

If Windows 2000 up to Windows 10 is involved and multiple independent installations of Windows are to be performed, the present partitions must be true hid before the next installation is carried out. The true hidden partitions are ignored by all versions of Windows.

It is possible that Windows 2000/XP/2003/Vista/2008/7/8/10 considers a true hidden partition as unformatted. This can be changed by removing the drive letter from a true hidden partition. This prevents that you accidentally format such an "unformatted" partition thereby deleting all existing data on that partition. Drive letters are assigned or removed within the Windows disk administrator (Computer Management / Storage / Disk Management).