For these purposes, migration is defined as moving one role or feature and its data to a different computer, not upgrading the feature on the same computer. Migration of Windows Server is when you move one role or feature at a time from a source computer that is running Windows Server to another destination computer that is running Windows Server, either the same or a newer version. This feature is discussed in more detail at Cluster OS rolling upgrade. For example, if nodes in your cluster are running Windows Server 2019 you can install Windows Server 2022 on them avoiding downtime to the cluster, which would otherwise impact Service Level Agreements. Cluster Operating System rolling upgradeĬluster Operating System (OS) rolling upgrade gives an administrator the ability to upgrade the operating system of the cluster nodes without stopping the Hyper-V or the Scale-Out File Server workloads. In-place upgrade works best in virtual machines where specific OEM hardware drivers are not needed for a successful upgrade.įor step-by-step guidance and more information on upgrading, review the Windows Server upgrade content and Upgrade and migrate roles and features in Windows Server. However, not every older operating system has a pathway to every newer one and some roles or features don't support this or need you to take extra steps. For example, if your server is running Windows Server 2019, you can upgrade it to Windows Server 2022.

In-place upgrade enables you to keep the same hardware and all the server roles you have set up without wiping and reinstalling the operating system, by which you go from an older operating system to a newer one, keeping your settings, server roles and features, and data intact. There are a few things to be aware of, such as hardware requirements, so be sure to check the details for Windows Server. Clean installĬlean install is simplest way to install Windows Server, where you install on a blank server or overwrite an existing operating system, but you will need to back up your data first and plan to reinstall your applications. To download Windows Server 2022, see Windows Server Evaluations.

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