To run cmd.exe as administrator, enter the following command:Īt the command prompt with administrative rights, you can continue with manual KMS activation. 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. We don't have M365 or the like and everything is on-prem. However under the activation section it only allows us to select User based activation. I'd like to install this for testing and have begun configuring the Customization tool with our details. This error can usually be resolved by a BIOS update. So we have a VL with Office Pro Plus which has entitled us to use Office 2021 LTSC. It is for a permanent license for one installation. The KMS activation expect here a so-called “Windows marker” and fails if it is corrupted or not found. This product is a brand new and genuine activation code for Microsoft Office Professional Plus 2021. 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.
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