How to fix the 0xC0EA000A Windows Activation Error

Remove all linked devices and try activating again

4 min. read

Updated onNovember 8, 2024

updated onNovember 8, 2024

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Fix Windows 11 OS errors with Fortect:

The 0xC0EA000A Windows activation error appears when you don’t have a legitimate copy of the OS. You may also encounter this error accompanied byIt looks like the hardware on this device has changedmessage on your Windows 11. That means you probably have an OEM Windows license but you’ve changed the hardware configuration and the OS detects it as a different PC.

So, before anything else, make sure that you have a valid product key and you have a legitimate copy of Windows. SometimesWindows may fail to validate your product key. Also, make sure you have internet connection when performing the activation.

How do I fix 0xC0EA000A activation error?

1. Restart the Windows Time service

Your PC’s clock and that of the Microsoft servers must be in sync for the activation to be successful.

2. Use the Activation troubleshooter

This step is for users who have recently made hardware changes to their devices. If not, skip this step and proceed to the next one.

If you get to step 7 and don’t have an activation key, you can fix the 0xC0EA000A by purchasing one on the Microsoft Store. In the event that theactivation troubleshooter is not working, check out our article on how to fix it.

3. Remove devices from your Microsoft account

4. Reset the license files

What is error code 0xC0EA000A?

If you need more information about the error 0xC0EA000A when trying to activate Windows, it may be because of one or more of the following reasons:

At times, your copy of Windows may become non-genuine for any reason. As such, it may be possible for you to reset your license. When resetting your license key, ensure you’re the owner of a legitimate copy of the Microsoft Windows operating system.

Another approach would be totransfer the Windows licenseto another device. However, this is only relatively easy for digital licenses. If you have a PC with an OEM license, transferring it can be extremely difficult and not without risks.

And that’s how to resolve the activation error 0xC0EA000A. For any additional thoughts on this topic, feel free to comment below.

How to fix the 0xC0EA000A Windows Activation Error#

How do I fix 0xC0EA000A activation error?#

1. Restart the Windows Time service#

2. Use the Activation troubleshooter#

3. Remove devices from your Microsoft account#

4. Reset the license files#

What is error code 0xC0EA000A?#