A product key is bound to the product version; with a 2019 key you can not install or activate a different version.
Upgrade installation of a Evaluation Edition is also not supported.
You have to perform a complete new installation.
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Now I am using the evaluation version of Windows Server 2016 and I want to license this server. I have the standard license of Windows Server 2019. I want to know if this license key can be deployed on the evaluation version of Windows Server 2016.
A product key is bound to the product version; with a 2019 key you can not install or activate a different version.
Upgrade installation of a Evaluation Edition is also not supported.
You have to perform a complete new installation.
Unfortunately it's not possible. You have to upgrade your Operating system to windows 2019 to be able to use this licence.
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