Error 0x803fa067 re-activation Windows 10 Pro

[Benjamin Bozich]

Replaced motherboard on working Windows 11 Pro unit, came as needs to reactivate, clocked Troublehoot, "I changed hardware recently" and it refused to proceed, "product not valid" or something like that.Did a complete Windows 10 Pro reinstall, Activation, entered the key from the label, and getting error 0x803fa067.Called MS activation line, entered key from slui.exe, and got a decline, "please verify your product key" and goodbye, no change to talk to a tech.What am I missing?

Continue reading...