Windows Server · Lifecycle Status

Windows Server End of Life (EOL) Dates & Support Timeline

Q: What is the end-of-life date for Windows Server?

The next Windows Server version reaching EOL is 2016 on January 12, 2027. See the full table above for all version EOL dates.

Q: When is the Windows Server support end date?

The next Windows Server support end date is January 12, 2027, when version 2016 reaches end of support. Each version has its own support end date — see the table above for every version's date.

Q: What is the latest supported version of Windows Server?

The latest active version of Windows Server is 10.0.26100. Always verify against the table above as support windows can change.

Complete end-of-life dates, support windows, and security status for all Windows Server versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.

📅 Get reminded before Windows Server 2016 reaches EOL on January 12, 2027 — alerts 90, 30 & 7 days out.

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Latest Active

10.0.26100

2025 series

Next EOL

2016

Jan 12, 2027

Active Versions

of 20 total

EOL Versions

no longer patched

Critical Risk

EOL Risk Score™ How is this calculated? →

EOL Recency

30/40

Attack Surface

30/30 Critical tier

CISA KEV Exposure

20/20 Yes — CISA KEV

Extended Support

0/10 Available

EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build. Methodology →

Release Cycle Timeline

■ EOL ■ Warning ■ Active ┊ Today

All Versions

Version	Latest Release	Release Date	EOL Date	Days	Status
2000 LTS	5.0.2195	Feb 17, 2000	Jul 13, 2010	5824 days past EOL	EOL
2003 LTS	5.2.3790	Apr 24, 2003	Apr 10, 2007	7014 days past EOL	EOL
2003-sp1	5.2.3790	Mar 30, 2005	Apr 14, 2009	6279 days past EOL	EOL
2003-sp2 LTS	5.2.3790	Mar 13, 2007	Jul 14, 2015	3997 days past EOL	EOL
2008-sp2 LTS	6.0.6003	Apr 29, 2009	Jan 14, 2020	2352 days past EOL	EOL
2008-r2-sp1 LTS	6.1.7601	Feb 22, 2011	Jan 14, 2020	2352 days past EOL	EOL
2012 LTS	6.2.9200	Oct 30, 2012	Oct 10, 2023	987 days past EOL	EOL
2012-r2 LTS	6.3.9600	Nov 25, 2013	Oct 10, 2023	987 days past EOL	EOL
2016 LTS	10.0.14393	Oct 15, 2016	Jan 12, 2027	203 days remaining	Active
1709-sac	10.0.16299	Oct 17, 2017	Apr 9, 2019	2632 days past EOL	EOL
1803-sac	10.0.17134	Apr 30, 2018	Nov 12, 2019	2415 days past EOL	EOL
2019 LTS	10.0.17763	Nov 13, 2018	Jan 9, 2029	931 days remaining	Active
1809-sac	10.0.17763	Nov 13, 2018	Nov 10, 2020	2051 days past EOL	EOL
1903-sac	10.0.18362	May 21, 2019	Dec 8, 2020	2023 days past EOL	EOL
1909-sac	10.0.18363	Nov 12, 2019	May 11, 2021	1869 days past EOL	EOL
2004-sac	10.0.19041	May 27, 2020	Dec 14, 2021	1652 days past EOL	EOL
20h2-sac	10.0.19042	Oct 20, 2020	Aug 9, 2022	1414 days past EOL	EOL
2022 LTS	10.0.20348	Aug 18, 2021	Oct 14, 2031	1939 days remaining	Active
23h2-ac	10.0.25398	Oct 24, 2023	Oct 24, 2025	242 days past EOL	EOL
2025 LTS	10.0.26100	Nov 1, 2024	Oct 10, 2034	3031 days remaining	Active

What does Windows Server end of life mean for your organization?

When a version of Windows Server reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.

The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.

Organizations running EOL Windows Server should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.

Extended Support Options

If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Windows Server versions. This is a bridge, not a permanent solution — plan your migration in parallel.

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Need Extended Support?

We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.

Frequently Asked Questions

What is the end-of-life date for Windows Server?

The next Windows Server version reaching EOL is 2016 on January 12, 2027. See the full table above for all version EOL dates.

When is the Windows Server support end date?

The next Windows Server support end date is January 12, 2027, when version 2016 reaches end of support. Each version has its own support end date — see the table above for every version's date.

What is the latest supported version of Windows Server?

The latest active version of Windows Server is 10.0.26100. Always verify against the table above as support windows can change.

What happens when Windows Server reaches end of life?

When Windows Server reaches end of life, the vendor stops issuing security patches. Any CVEs disclosed after the EOL date accumulate indefinitely with no patch path — creating an ever-growing attack surface that most vulnerability scanners do not flag.

How do I check if I'm running an EOL version of Windows Server?

Check your current version against the table above. If your version's EOL date has passed, you are running unsupported software. You can also use the endoflife.ai Stack Scanner to check your entire dependency file at once.

Is there extended support available for EOL Windows Server versions?

Some vendors offer extended support for EOL software. Contact the original vendor or check with enterprise support providers for options.

Related Products

Data from endoflife.date API · endoflife.date · Generated at build time · How we source data →