Windows Server 2022

Windows Server 2022
Version of Microsoft Windows
Logo
Screenshot
OS familyWindows 10 (NT 10.0)
Version21H2
SemesterIron
Architecturex64
Latest build10.0.20348.2849
Release date2021-08-18
Support end2031-10-14
Replaces
Windows Server 2019 (LTSC)
Windows Server, version 20H2 (SAC)
Replaced by
Windows Server, version 23H2 (AC)
Windows Server 2025 (LTSC)

Windows Server 2022 is a long term servicing channel release of Windows Server, which was released on 18 August 2021.[1] Despite sharing the same version string of "21H2" with both Windows 10 November 2021 Update and the initial release of Windows 11, it is based on the Iron codebase rather than Vibranium or Cobalt, respectively. It includes Azure hybrid capabilities, the replacement of Internet Explorer with Microsoft Edge, TPM 2.0, UEFI Secure Boot, Boot DMA Protection, DNS-over-HTTPS and Server Message Block (SMB) compression.

With Windows Server 2022, the Essentials edition is available to purchase from OEMs only, although there is no specific installation media or actual SKU as a Standard edition product key is instead provided. The Hyper-V Server SKU was replaced by the subscription-based Azure Stack HCI release, which provides an integrated on-premise platform resembling Microsoft Azure.

List of known builds[edit | edit source]

Pre-Insider Preview[edit | edit source]

Confirmed build 19504
Confirmed build 19549.rs_onecore_stack.200115-1450

Insider Preview[edit | edit source]

Manganese (rs_prerelease branch)[edit | edit source]

Leaked build 19551.1001.rs_prerelease.200118-2023
Leaked build 19551.1005.rs_prerelease_flt.200118-2110
Confirmed build 19564.1005.rs_prerelease_flt.200207-1540
Confirmed build 19579.1000.rs_prerelease.200303-1518
Leaked build 19603.1000.rs_prerelease.200403-1523
Leaked build 19608.1000.rs_prerelease.200410-1438
Leaked build 19608.1006.rs_prerelease_flt.200413-1817
Leaked build 19613.1000.rs_prerelease.200417-1557
Leaked build 19613.1005.rs_prerelease_flt.200417-1647
Leaked build 19624.1000.rs_prerelease.200502-1339

Iron (rs_prerelease branch)[edit | edit source]

Confirmed build 20145.1000
Leaked build 20150.1000.rs_prerelease.200612-1734
Leaked build 20152.1000.rs_prerelease.200617-1502
Leaked build 20161.1000.rs_prerelease.200627-1754
Leaked build 20165.1000.rs_prerelease.200702-1424
Leaked build 20170.1000.rs_prerelease.200710-1419
Leaked build 20175.1000.rs_prerelease.200717-1349
Leaked build 20180.1000.rs_prerelease.200725-1714
Leaked build 20185.1000.rs_prerelease.200731-1415
Leaked build 20190.1000.rs_prerelease.200807-1609
Leaked build 20201.1000.rs_prerelease.200822-1922
Leaked build 20206.1000.rs_prerelease.200828-1431
Leaked build 20211.1000.rs_prerelease.200904-1619
Leaked build 20211.1005.rs_prerelease_flt.200904-1700
Leaked build 20215.1000.rs_prerelease.200911-1500
Leaked build 20221.1000.rs_prerelease.200919-1857
Leaked build 20226.1000.rs_prerelease.200925-1415
Leaked build 20231.1000.rs_prerelease.201002-1444
Leaked build 20231.1005.rs_prerelease_flt.201002-1518
Leaked build 20236.1000.rs_prerelease.201009-1631
Leaked build 20236.1005.rs_prerelease_flt.201009-1648
Leaked build 20241.1000.rs_prerelease.201016-1450
Leaked build 20241.1005.rs_prerelease_flt.201017-1308

Iron (fe_release_server branch)[edit | edit source]

Leaked build 20251.1000.fe_release_server.201030-1438
Leaked build 20257.1000.fe_release_server.201106-1606
Leaked build 20262.1000.fe_release_server.201115-1700
Leaked build 20270.1000.fe_release_server.201124-1455

Iron (fe_release branch)[edit | edit source]

Leaked build 20282.1.fe_release.210111-1506
Leaked build 20285.1.fe_release.210116-1100
Unconfirmed build 20286.1002.fe_release_azcc_dev.210123-1715
Leaked build 20287.1.fe_release.210124-1100
Leaked build 20289.2.fe_release.210129-1837
Leaked build 20292.1.fe_release.210205-1504
Leaked build 20295.1.fe_release.210212-1600
Confirmed build 20296.fe_release.210216-1726
Leaked build 20298.1.fe_release.210220-1636
Leaked build 20303.1.fe_release.210226-1630
Leaked build 20308.1.fe_release.210305-1700
Leaked build 20313.1.fe_release.210312-1606
Leaked build 20317.1.fe_release.210318-1714
Leaked build 20324.3.fe_release.210327-1200
Leaked build 20329.1.fe_release.210402-1730
Leaked build 20334.1.fe_release.210409-1622
Leaked build 20339.2.fe_release.210417-1100
Confirmed build 20340
Leaked build 20344.1.fe_release.210424-1554

Preview[edit | edit source]

Leaked build 20348.1.fe_release.210507-1500

Preview Updates[edit | edit source]

Leaked build 20348.11.fe_release_svc_prod3.210513-1633
Leaked build 20348.51.fe_release_svc_prod1.210604-1652
Leaked build 20348.75.fe_release_svc_prod3.210615-1931
Leaked build 20348.76.fe_release_svc_prod3.210703-0812
Leaked build 20348.112.fe_release_svc_prod1.210705-0215
Leaked build 20348.143.fe_release_svc_prod3.210722-2105

General availability[edit | edit source]

Leaked build 20348.169.fe_release_svc_prod1.210805-1424

References[edit | edit source]

  1. ↑ https://docs.microsoft.com/en-us/windows-server/get-started/windows-server-release-info
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Desktop versions
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Server versions
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