This means that, for example on a 3TB disk, 1TB will go wasted. These limits are caused by historical limits to Master Boot Record partitioning, which has a 2TB limit. GUID Partition Table partitioning does not have this limit, but GPT volumes can only be booted using UEFI BIOS. Then I unloaded the hive and copied it back to my broken Vista. I also added the actual driver to system32\drivers, of course. In.. Read More