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Dism error 1638 - OSUninstallWindow
Hi Guys, I hope you are all well. I recently updated ~30 machines from Windows 10 22H2 to Windows 11 24H2 (april build). I tried to extend rollback time to 30 days but I received following error: ...
Finally I was able to solve this by just installing Cumulative Update (newest possible). Windows 11 Installation Assistant downloads quite old (initial?) Win 11 24H2 build. It that build DISM doesn't work properly when I try to run this command. After installation latest CU, everything works as it should.
Regards,
Damian