Thank you for sharing this experience and the behavior and screenshots.
From what you explained it might be a bug and I advise you to open start and search for feedback and open the Feedback Hub app and report this issue and include steps to reproduce this issue and log files , so the Windows team would be able to investigate it.
Windows 10/11 Install more than 6 language packs ends in "An update or servicing operation may be using reserved storage." during sysprep

Hello everyone
We have observed for several months the problem that when installing Windows 10 21H2 & with Windows 11 (since the beginning), that the Sysprep process failed when installing more than 5 Language Packs. If we have less than 5 Language Packs installed the problem does not occur.
We have also tried various language packs, it doesn't matter which one we install.
We run the following versions:
ADK: 10.1.22000.1
WINPE: 10.1.22000.1
MDT: 6.3.8330.1000
In the setuperr.log we could find the following error.:
After some research, we tried disabling the Reserved Storage feature via PowerShell:
https://learn.microsoft.com/en-us/windows-hardware/manufacture/desktop/dism-storage-reserve?view=windows-11
After that we implemented this command in the Task Sequence before installing the Language Packs and reactivating the function before the Step Sysprep which led to success. Has anyone been able to determine the same problem? And is there anything against disabling the function like this?
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Reza-Ameri 14,821 Reputation points
2022-02-04T16:21:06.56+00:00
Thank you for the clarification and glad you contact the support and thank you for sharing with this community.
It is also good idea to file a report in the Feedback Hub app because all bugs are being reported there and other users with the same experience could upvote it too.