Windows Server 2008 R2 SP1 · Version Status
Windows Server 2008 R2 SP1 End of Life Date
Windows Server 2008 R2 SP1 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
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Windows Server 2008 R2 SP1 is past end of life. This version no longer receives security patches. 2489 days past EOL — migrate to a supported version immediately.
EOL Date
Jan 14, 2020
2489 days past EOL
Latest Release
6.1.7601
LTS release
Release Date
Feb 22, 2011
Windows Server 2008 R2 SP1 series
Extended Support
Jan 10, 2023
Extended Security Updates (ESU) · paid · ended
Where these dates come from
End of lifeJan 14, 2020Vendor's own page, read by our adapter · learn.microsoft.com · checked Nov 3, 2026high · 2 sources agree End of active supportJan 13, 2015Vendor's own page, read by our adapter · learn.microsoft.com · checked Nov 3, 2026high · 2 sources agree End of extended supportJan 10, 2023Vendor's own page, read by our adapter · learn.microsoft.com · checked Nov 3, 2026high · 2 sources agree ReleaseFeb 22, 2011Vendor's own page, read by our adapter · learn.microsoft.com · checked Nov 3, 2026high · 2 sources agree Confidence: high = two or more independent sources agree (the vendor's page read by our adapter, a person's check against the vendor, the dataset the date came from); medium = one; low = the vendor page disagrees or our last read is stale.
How we source dates.
Lifecycle detail
Windows Server 2008-r2-sp1 was released on February 22, 2011 and support ended on January 14, 2020 — a supported lifespan of 8 years and 11 months, in line with the 10 years and 2 months median for Windows Server LTS releases. It was a long-term support (LTS) release, so it received a longer patch window than the interim releases around it. It has been past its end-of-life date for 6 years and 10 months. 5 newer Windows Server releases have shipped since.
Attack Surface
30/30 Critical tier
CISA KEV Exposure
20/20 Named in 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 → ·
View score card →
Extended Support
Extended Windows Server 2008 R2 SP1 support options
Some vendors and third parties sell security patches beyond end of life; whether one covers this version varies. Compare your options.
Compare Options →
All Windows Server Versions
What does Windows Server 2008 R2 SP1 end of life mean?
When Windows Server 2008 R2 SP1 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Windows Server 2008 R2 SP1 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Windows Server 2025 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Windows Server 2008 R2 SP1 reach end of life?
Windows Server 2008 R2 SP1 reached end of life on January 14, 2020. This version is no longer receiving security patches.
Is Windows Server 2008 R2 SP1 still supported?
No. Windows Server 2008 R2 SP1 reached end of life on January 14, 2020 and is no longer receiving security patches.
What should I upgrade to from Windows Server 2008 R2 SP1?
The recommended upgrade from Windows Server 2008 R2 SP1 is
Windows Server 2025 — the latest actively supported version. Check the
Windows Server full timeline for all supported versions.
What are the security risks of running Windows Server 2008 R2 SP1 past EOL?
Since Windows Server 2008 R2 SP1 reached end of life, the maintainers no longer issue security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Windows Server should migrate immediately or implement compensating controls.