Windows Server Semi-Annual Channel

Windows Server Semi-Annual Channel follows the Modern Lifecycle Policy.

This applies to the following editions: Datacenter, Standard

Support dates are shown in the Pacific Time Zone (PT) - Redmond, WA, USA.

Support Dates

Listing Start Date Retirement Date
Windows Server Semi-Annual Channel 10/17/2017 8:00:00 AM 8/10/2022 6:59:59 AM

Releases

Version Start Date End Date
Version 20H2 10/20/2020 8:00:00 AM 8/10/2022 6:59:59 AM
Version 2004 5/27/2020 8:00:00 AM 12/15/2021 6:59:59 AM
Version 1909 11/12/2019 8:00:00 AM 5/12/2021 6:59:59 AM
Version 1903 5/21/2019 8:00:00 AM 12/9/2020 6:59:59 AM
Version 1809 10/2/2018 8:00:00 AM 11/11/2020 6:59:59 AM
Version 1803 4/30/2018 8:00:00 AM 11/13/2019 6:59:59 AM
Version 1709 10/17/2017 8:00:00 AM 4/10/2019 6:59:59 AM

Note

Containers released with the Windows Server versions listed above follow the same Lifecycle dates. Navigate to the base image servicing page at Windows container base image servicing lifecycles for more details.

Note

Windows Server, version 1809 was re-released on November 13, 2018. Support dates have been adjusted accordingly.

Note

Beginning in September 2023, Windows Server has two primary release channels available: the Long-Term Servicing Channel (LTSC) and the Annual Channel (AC). The Long-Term Servicing Channel provides a longer-term option focusing on stability, whereas the Annual Channel provides more frequent releases.

Editions

  • Datacenter
  • Standard