Hi dave! I have the same but problem but it didn't suddenly deactivate, i didnt have the product key apparently. I upgraded from windows 10 enterprise to 11 enterprise... It was activated in the windows 10 but in windows 11 enterprise, it said not product key found... I followed your told steps and here it is.
- Windows 11 Enterprise.
- It didnt find one. It said "OEM key not present in firmware."
- It's saying "File(s) failed to upload" but i can write the exact same...
WINDOWS 11
Microsoft Windows
Version 22H2 (OS build 22621.3296)
©Microsoft Corporation. All rights reserved.
The windows 11 enterprise operating system and its user interface are protected by trade mark and other pending or existing intellectual property rights in the United States and other countries/regions.
This product is licensed under the Microsoft Software License Terms to:
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