Windows 10: Repeating OOBE setup for missed Windows 10 activation

I bought a refurbished computer and unfortunately missed the Windows activation when setting up without an internet connection.


According to the seller's brief instructions, the computer must be connected to the Internet during the OOBE setup:

"Activation of Windows will be automatic. This requires that your device is connected to the internet via a network cable / LAN cable while Windows is being set up, a connection via WiFi may not be sufficient."

page 6 of https://reteq.eu/fileadmin/media/RETEQ-Kurzanleitung-DE-EN-09-18.pdf


That really seems to be the case because now there is no subsequent activation.
Upon request, the seller announced that the Windows key was stored in the UEFI.
The tool OemKey https://neosmart.net/OemKey/ shows, however, that no MSDM table can be opened.

Is there a way to somehow repeat this mysterious activation procedure that seems to take place only once during the OOBE setup?
I was thinking of something like

sysprep /oobe

without generalization.

I actually want to avoid the factory reset recommended by the manufacturer after investing so much time in setting it up.

:)

 

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Automate just OOBE setup pass of Windows 10 with Autounattend.xml

Dear Community,

I am currently trying to find out if it is possible to automate just the OOBE setup pass of Windows 10 with an Autounattend.xml file.

In this particular use case, the devices are delievered with a preinstalled Windows 10 Pro version 1803. The goal is to use the preinstalled OEM image. When startging the devices for the first time, they start with OOBE. We want to automate these steps. The idea was to create an answer file which just holds parameters for the oobeSystem pass and let the resulting Autounattend.xml file be consumed from a removable USB drive.

Does somebody have experience with a similar use case? Will Windows 10 still search for an Autounattend.xml file just before entering the oobeSystem Pass? Or is an Autounattend .xml just usable when going trough all configurationen passes of Windows?

The Microsoft documentation was no help for me regarding this particular question.

Best regards,
Manuel