ERP ReferenceEnd-of-support dates

Windows Server: end of support dates

Microsoft's server operating system. Long-Term Servicing Channel releases follow the Fixed Lifecycle Policy (mainstream then extended support); Annual and Semi-Annual Channel releases have a single, shorter support period.

Vendor: Microsoft. Official lifecycle information: vendor lifecycle page.

Timeline

200920112013201520172019202120232025202720292031203320252025: support until 2029-11-132025: extended support until 2034-11-1423H2 AC23H2 AC: support until 2025-10-2420222022: support until 2026-10-132022: extended support until 2031-10-1420H2 SAC20H2 SAC: support until 2022-08-092004 SAC2004 SAC: support until 2021-12-1420192019: support until 2024-01-092019: extended support until 2029-01-0920162016: support until 2022-01-112016: extended support until 2027-01-122016: paid extra support until 2030-01-122012 R22012 R2: support until 2018-10-092012 R2: extended support until 2023-10-102012 R2: paid extra support until 2026-10-1320122012: support until 2018-10-092012: extended support until 2023-10-102012: paid extra support until 2026-10-132008 R2 SP12008 R2 SP1: support until 2015-01-132008 R2 SP1: extended support until 2020-01-142008 R2 SP1: paid extra support until 2023-01-102008 SP22008 SP2: support until 2015-01-132008 SP2: extended support until 2020-01-142008 SP2: paid extra support until 2023-01-10today (2026-10-18)
Mainstream / full support Extended (security-only) support Paid extra support (ESU/ELS)Faded bars: release date not recorded, so the start of the bar is not meaningful. "Dates not verified yet": no end date confirmed.

All versions

Windows Server versions and support dates
VersionStatusMainstream / support endExtended endPaid extra supportReleased
2025SupportedNovember 13, 2029November 14, 2034—November 1, 2024
23H2 ACSupport endedOctober 24, 2025No separate phase—October 24, 2023
2022Extended supportOctober 13, 2026October 14, 2031—August 18, 2021
20H2 SACSupport endedAugust 9, 2022No separate phase—October 20, 2020
2004 SACSupport endedDecember 14, 2021No separate phase—May 27, 2020
2019Extended supportJanuary 9, 2024January 9, 2029—November 13, 2018
2016Extended supportJanuary 11, 2022January 12, 2027Extended Security Updates (ESU): January 12, 2030October 15, 2016
2012 R2Support endedOctober 9, 2018October 10, 2023Extended Security Updates (ESU): October 13, 2026November 25, 2013
2012Support endedOctober 9, 2018October 10, 2023Extended Security Updates (ESU): October 13, 2026October 30, 2012
2008 R2 SP1Support endedJanuary 13, 2015January 14, 2020Extended Security Updates (ESU): January 10, 2023February 22, 2011
2008 SP2Support endedJanuary 13, 2015January 14, 2020Extended Security Updates (ESU): January 10, 2023April 29, 2009

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