

This is because the KMS host computer requires at least five requests before it begins activating clients.

Office is activated the first time it runs, provided that there have been at least four previous activation requests to the KMS host computer. If the KMS host computer is available and properly configured, activation of Office occurs transparently to the user. On the KMS host computer configured to support volume activation of Office, you install and enable only one KMS host key to activate all volume licensed versions of Office. GVLKs support both Key Management Service (KMS) and Active Directory-based activation.

To run cmd.exe as administrator, enter the following command:Īt the command prompt with administrative rights, you can continue with manual KMS activation.Applies to: Volume licensed versions of Office LTSC 2021, Office 2019, and Office 2016 (including Project and Visio)Īll volume licensed versions of Office, including Project and Visio, have a Generic Volume License Key (GVLK) preinstalled. This will start a command-line interface prompt without administrative rights. In this case, to perform the KMS activation, enter the path into Internet Explorer:

When the 30 day grace-period has expired, Windows is running in “Reduced Functionality Mode“, only the Internet Explorer can be called. This error can usually be resolved by a BIOS update. The KMS activation expect here a so-called “Windows marker” and fails if it is corrupted or not found. Such BIOS version contains an invalid ACPI_SLIC table. on right mouse click.Įrror 0xC004F074 (“The Key Management Service (KMS) is unavailable”): In most cases it refers to incorrectly set time or the time zone.Įrror 0xC004F035 and 0xC004F059: Especially for computers that were originally acquired with an OEM operating system, in this case the KMS activation is prevented by computer's BIOS. The option Run as administrator is available e.g. For manual activation, you must run the Command-Line Interface (cmd.exe) as administrator.
