Windows 10: Activation Server is not Available error during Windows 10 Activation

When validating your Windows Key, everything goes through the Activation Server on Microsoft. If there is a trouble connecting to that server, activating Windows will fail. There are a couple of errors when the Activation Server is not available. In [...]

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Windows 10 will not activate Error code 0x803F7001


Possibly there can be the problem with Microsoft activation Server, so your Windows 10 is not activated. In this scenario, you need to wait and verify if it is the issue from Microsoft’s side. But if you are getting error code 0x803f7001, you can also try these steps:

1. Open Settings app. Then go to Update and security > Activation screen > Change product.
2. Type your Windows edition product key and click Next.
3. You’ll get We couldn’t activate Windows error message.
4. Retry steps 1-3 then type your 25-characters unique product key.
5. Wait for the process to complete, Windows 10 is activated.

Hope something helps this problem

 

Windows 10 will not activate Error code 0x803F7001

thanks
I activated my Windows 10 from product key Windows 7

 

Windows 10 Activation (Insider)

Yeah they blacklisted the insider keys at RTM, so u need to activate it again. They're using KMS server activation, so there's only handful of keys.

If you don't have any luck I can show another quicker method...lol