How to Fix Windows 10 Activation Error: 0xc004f074 (Video Tutorial)

How to Fix Windows 10 Activation Error: 0xc004f074 (Video Tutorial).

Usually after you made the upgrade to Windows 8 or Windows 10, you are supposed to activate your product. Well, some users got the error code 0xc004f074 instead and are unable to continue with the activation process of the Windows 8 or Windows 10 operating system.

When you try to upgrade your computer to Windows 10, you receive Windows Activation error 0xC004F074; then the cause could be due to support version mismatch between the KMS client and the KMS host machine.

0xC004F074 – The Key Management Server (KMS) is unavailable

This error also can occur when there may be a time difference between the KMS client and KMS host machine.

Windows 10 has a complicated mechanism for Activation. It helps in the verification of a genuine copy of Windows 10. But sometimes, it throws the error code 0xc000f074. It is caused if the Key Management Service or KMS is not reachable by the client computer or if the key used in the SLSetAuthenticationData function call is incorrect. This error code mostly surfaces on computers that are upgraded to Windows 10 from either Windows 7 or Windows 8.1.

This tutorial will apply for computers, laptops, desktops,and tablets running the Windows 10 operating system (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba,Lenovo, and Samsung).

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