[W11 24H2 LTSC] Can't make unattended install, hardware bypasses and copyprofile work together

garlin said:

The other way is mounting boot.wim's SYSTEM hive and applying the changes locally. Some people don't like that because they want a "pure image" approach which only uses an answer file to manage the install. But the integrated reg key approach works fine.

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I'm perfectly willing to use this approach. The only problem, is that I'm a bit of a noob when it comes to editing offline registry files, and I don't know what registry file I should edit in the mounted boot.wim. If you could guide me through this or point to some tutorial, I'd be grateful. Thank you

Okay, I got it!

Here's what I did:

>Mounted boot.wim using dism
>Loaded <path_to_mounted_image>\Windows\System32\config\SYSTEM hive file into regedit
>Added the Labconfig registry entries
>Unloaded the hive from regedit
>Saved changes to the image with dism /commit-wim /mountdir:<path_to_mounted_image>
>Unmounted using dism /unmount-wim /commit /mountdir:<path_to_mounted_image> (redundant I know, I'm the kind of person who saves important jobs two or three times "to be sure").
>Rebuilt the .iso and booted

(keep in mind, I did this procedure for both images 1 and 2 in boot.wim, to be sure)

Now everything works. Too bad I couldn't find a way to make autounnatend.xml and unnatend.xml work together, but issue solved I guess. Thank you garlin for your interest and encouragement!