Diskpart assign letter "survive" after reboot

Hello,

I don't understand.

I am in a Win PE, or in another kind of recovery tool with command line.

I do:

diskpart
sel vol 1
assign letter=z

now "Z" is assigned to a disk.

I REBOOT the computer and operate with another recovery tool (i.e. Macrium).

I go to the promt and that disk is still mounted with a letter (generally C:).

But If I load a regular OS (Win 10) every letter is OK.

How the assigned letter of DISKPART "survive" if the assign is done OUTSIDE the OS?

Pipppero2007 said:

How the assigned letter of DISKPART "survive" if the assign is done OUTSIDE the OS?

You can't. Each OS assigns drive letters when it loads. And recovery/rescue drives that load from USB or DVD typically don't even save drive letter assignments to the USB or DVD so if you have a different physical arrangement of the drives when you boot into them the drive letters might even change then even though you are using the same rescue/recovery OS.

Weird. I was not ask if that is possible.
I was ask WHY in my system they SURVIVE!!!
Not in the win10 os, they survive in the various tool that i use (win pe, macrium, etc).
Its so strange!!!