There is additional check for Flighting builds ?

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Finally I can "keep apps and files" however Setup needs me to "enable Flighting".

It gives a button to do it but nothing happens.

My ISO is uupdump + NTlite modified.

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Edit: worked after restart

It should be noted that the edition in the ISO Ive switched from EnterpriseN to ProfessionalN by editing Name Description and Flags with NTLite.

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Nope didnt work rolled back.

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OK worked with untouched uupdump ISO where the ProfessionalN edition was present from the beginning.

After setup some MS Store related things did not work still.