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Many people would like to upgrade to Windows Server 2022,

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but may not be aware of the versions from which you can upgrade.

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We start with Windows Server 2019, and yes,

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you can upgrade from 2019 to Windows Server 2022.

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You can also upgrade from Windows Server 2016 to Windows Server 2022.

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You'll want to make sure all the updates have been done prior to that

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upgrade, however. If you're looking to upgrade from 2012,

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you'll first need to upgrade to 2016, and then you can go

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directly to 2022, and you can skip 2019.

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Be sure to run all updates prior to upgrades, as some

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updates will be required to make the change.

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If you use Windows Server 2008,

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it's no longer supported, but you could technically go to 2012,

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2016, and then 2022; however, your hardware will most likely not support it.

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Your best bet would be to go with a virtual machine where you can

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install 2022 on a 2008 or 2012 server, if needed.

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There are some other unsupported options such as you cannot upgrade from 32 to

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64‑bit. You can't use multiple languages or change languages.

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Start out with a single language,

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get upgraded to the version you want, and then you can add additional languages.

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Domain controllers cannot be converted to retail versions.

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So if you have a domain controller that's running any other

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version and you're trying to convert it to retail,

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then that won't work. The pre‑release or preview versions

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cannot be upgraded to Windows Server 2022.

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You'll have to have a version that's the release to manufacturing or newer.

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You cannot switch from Core to Desktop Experience.

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Core is the one where it comes up with a command prompt,

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whereas Desktop Experience gives you the full desktop that

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everyone's used to. You cannot downgrade from Datacenter to

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Standard during an upgrade; however, after the upgrade is done,

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you can upgrade from Standard to Datacenter. Upgrading to Windows

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Server 2022 has many options and some known issues.

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The most important thing to consider prior to upgrade is to

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make sure the hardware is supported for the operating system before considering installation.