This happens in Japan, Korea, American and many other countries. Microsoft has just released an Emerging issue announcement about current activation issue related to Pro edition recently. The only breath of hope that I’ve found comes from the Microsoft Answers Forum, where Daniel Randy quotes a Live Agent response as saying: People are up in arms, and coherent descriptions of the aftermath are in extremely short supply. It isn’t immediately clear what effect this has on the afflicted machines. There’s also a lengthy diatribe on Reddit. License Activation (slui.exe) failed with the following error code: The activation troubleshooter detects a digital Windows 10 Pro license and reports that an edition upgrade is required, but the following upgrade process stops immediately and the activation does not take place. At least here Windows is no longer activated after the upgrade of the test machine.
