However, activation error 0xc03f6506 can arise for some users when they try to activate Windows 10 Pro after upgrading to it. That error message states, The last product key you entered can’t be used on this copy of Windows (0xc03f6506). That’s the error message which the Activation tab in Settings displays. However, the issue can also arise when users try entering a product key. Then the error message will state: In either instance, the error code is the same. As a consequence, users can’t activate Windows 10 Pro after upgrading to it. These are some of the potential resolutions that can fix activation error 0xc03f6506.
How do I fix Windows Activation error 0xc03f6506?
1. Edit the registry
Editing the ProductName and EditionID registry strings can resolve error 0xc03f6506.
2. Disconnect net connection
3. Activate Windows 10 via the Command Prompt
So, that’s how you can activate Windows 10 Pro when error 0xc03f6506 arises. It’s not essential to activate Windows 10. However, it is better to activate the platform so you can make the most of all its options and features. Let us know what fix helped you with this activation error by leaving us a message in the comments section below.
SPONSORED
Name *
Email *
Commenting as . Not you?
Save information for future comments
Comment
Δ
