Every time I turn around I am seeing a reference to Upgrade Server 2019. It almost looks like it is supposed to follow Windows 10 in doing "Feature Updates". When you do a winver on a 2019 Server is does indeed come back and say build 1809 just like Windows 10 but I can't find these "Feature Updates" for Server 2019. Has anyone seen such a thing and can you tell me how to to it?
31 Answer
Windows Server comes in two channels: Semi-Annual and Long-Term.
The Semi-Annual channel gets new releases twice a year. The OS is simply called "Windows Server", currently on version 2004, and receives feature upgrades through Windows Update.
The Long-Term channel is static. If you have Server 2016 then you have Server 2016, and if you have Server 2019 then you have Server 2019. New versions only come out every few years, and although in-place upgrading is supported, it has to be done manually.
So if you have "Windows Server 2019" based on build 1809, then you're on the Long-Term channel and you will always continue to have Server 2019 build 1809. The only way to upgrade is by running the new installer from an ISO image, after the next version comes out.
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