Windows Server Support Timeline

Windows Server 20H2, released in Oct. 2020, is the last version of Windows Server available through the Semi-Annual Channel (SAC) and will leave support in May 2022. Future versions of Windows Server will be available only through the Long-Term Servicing Channel (LTSC), and organizations using versions of Windows Server released on the SAC should migrate to LTSC versions of Windows Server. Updated container base OS images of Windows Server (not shown), including Server Core and Nano Server configurations, will continue to be made available two to three times annually.

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