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FIX: Windows 10 Activation Error 0xc03f6506 [3 Quick Ways]
3 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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Key notes
Windows10 Pro includes some handy tools and features that aren’t available within the Home edition. Users will often need to upgrade to Pro as Home is more typically included with laptops and desktops.
However, activation error 0xc03f6506 can arise for some users when they try to activateWindows10 Pro after upgrading to it. That error message states,The last product key you entered can’t be used on this copy ofWindows(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:
Unable to upgrade your edition, We can’t upgrade your edition ofWindows. Try upgrading your edition ofWindowsagain. (0xc03f6506).
In either instance, the error code is the same. As a consequence, users can’t activateWindows10 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 activateWindows10 Pro whenerror0xc03f6506 arises. It’s not essential toactivate 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.
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More about the topics:Activation Errors,Windows 10 Pro
Matthew Adams
Windows Hardware Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it.
He is passionate about the tech world, always staying up-to-date with the latest and greatest. With an analytical view, he likes problem-solving, focusing on errors and their causes.
In his free time, he likes to read and write about history and tries to always develop new skills.
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Matthew Adams
Windows Hardware Expert
He is passionate about everything surrounding Microsoft’s OS, focusing on troubleshooting guides & tips for everyday problems.
