https://docs.microsoft.com/en-us/windows/release-health/windows-message-center#320
On August 9, 2022, all editions of Windows Server, version 20H2 will reach end of servicing. The upcoming August 2022 security update, to be released on August 9, 2022, will be the last update available for this version. After that date, devices running this version will no longer receive monthly security and quality updates containing protection from the latest security threats.
This will also be the retirement of Windows Server Semi-Annual Channel (SAC). There will be no future SAC releases of Windows Server. Windows Server is moving to the Long-Term Servicing Channel (LTSC) as the primary release channel.
Customers using Windows Server SAC should move to Azure Stack HCI. Alternatively, customers may use the Long-Term Servicing Channel of Windows Server…
