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Fix Windows 10 Activation Error Code 0xC004F074

One of the earliest errors that you can face on Windows 10 after upgrading from Windows 7 or 8 is Activation Error Code 0xC004F074. This error doesn’t allow you to activate your version of Windows. If you’re facing this problem, it means that the Key Management Service (KMS) couldn’t be contacted properly during the activation process.

Key Management Service (KMS) is responsible for enabling activation of Windows Operating System and it activates products such as Microsoft Windows and Microsoft office, automatically. 

When an original supported version is installed on your computer, the computer system discovers the Key Management Service server on the network and automatically activates the license. But when the Key Management Service is unavailable because of differences between the KMS client and KMS host, there’s a glitch and Activation Error Code 0xC004F074 occurs.

Whenever you try to upgrade your operating system or activating them, you can receive the following message:

Windows cannot reach your company’s activation service. Please connect to your corporate network. If you are connected and continue to see the error, you can contact your system administrator. You can also click on error detail to find the exact error information. Error code: 0xC004F074 

You can also get a pop-up message that reads as: 

Activation Error Code 0xC004F074 is also known to occur if you’ve downloaded an illegal/pirated version of the Windows Operating System.


How To Repair Windows 10 Activation Error Code 0xC004F074 ?

There are several ways you can fix Windows 10 Activation Error Code 0xC004F074 mentioned in this article. Follow the step-by-step instructions below. Work your way down and find the suitable one that works for you:

Uninstall and Reinstall KMS Key

This method will work only if you have an activation key or a KMSpico key. First, you have to uninstall the existing key and then apply for a new one. Follow these steps:

Run SLUI Command


If that doesn’t solve the issue, you can try SLUI 4 command then :

Update the Date & Time

The difference in Date and Time between KMS Host and client can trigger this error. Go to your Time and Date settings and make sure they’re updated.

You can also synchronize the time on the client by following the steps mentioned below:


Run SFC Scan








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