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Windows 7 to windows 10 upgrade

Trying to do a win 10 upgrade from win 7, we have e80.70HF1 installed and of course you can't upgrade from there, so we updated to e80.87, after the upgrade it still won't let me upgrade windows 10, it acts like e80.70HF1 is still installed. I can totally remove and install e80.87, and it upgrades with no problem. We have about 2100 computers to upgrade I don't really want to uninstall and wait for it to decrypt before upgrading.

I did some digging through the registry didn't see anything that relates to the old install.

FYI I am referring to FDE

Any Ideas



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Did you follow the steps described here? 

How to upgrade to Windows 10 1607 and above with FDE in-place