Draft:Azure Stack HCI

Azure Stack HCI is an series of Windows Server-based operating systems that consist of a specialized version of Windows Server Core operating system that deploys and runs Windows and Linux virtual machines in the datacenter or edge devices using existing tools, processes, and skill sets. The Azure Stack HCI series was first introduced on December 10, 2020 after being announced on July 21, 2020.

It is the spiritual successor of the free Hyper-V Server operating system, available previously in the Windows versions prior to Windows Server 2022.

Servicing model
Azure Stack HCI uses an version update scheme that it is fundamentally similar to the Windows as a service model, where Microsoft would have release feature updates to the operating system after a yearly development cycle. Updates are delivered to the operating system on a monthly cadence.

History
The first release, Azure Stack HCI, version 20H2 as a basing Windows Server 2019, was released on December 10, 2020, second release, Azure Stack HCI, version 21H2 as basing Windows Server 2022, was released on October 12, 2021, third release, Azure Stack HCI, version 22H2, was released on October 12, 2022, and current and latest release, Azure Stack HCI, version 23H2, was released on February 1, 2024.

Azure Stack HCI, version 20H2
On July 21, 2020, Microsoft has announced that Azure Stack HCI, version 20H2, after being released on December 10, 2020. It was discontinued rhe support on December 13, 2022.

Azure Stack HCI, version 21H2
In October 12, 2021, Microsoft has announced that Azure Stack HCI, version 21H2 was released. It is based on Windows Server 2022. It was discontinued the support on November 14, 2023.

Azure Stack HCI, version 22H2
In October 12, 2022, Azure Stack HCI, version 22H2 was released. It is the third main update release of Azure Stack HCI.

Azure Stack HCI, version 23H2
In February 1, 2024, Microsoft has announced that Azure Stack HCI, version 23H2 was released with the latest and current release of Azure Stack HCI. It is based on Windows Server, version 23H2 to the Annual Channel.