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// deadlines · Windows
Windows Server 2012 / 2012 R2 Extended Security Updates endWindows · 13 Oct 2026
The final year of paid ESUs ends. No further security updates are produced.
In short: this took effect on 13 Oct 2026. This date has passed.
What to do
- Read the official notice: Microsoft source ↗.
- Add every Microsoft deadline to your calendar: subscribe to the deadlines calendar.
Other upcoming Windows deadlines
- 10 Nov 2026 Windows 11 23H2 Enterprise and Education end of servicing
- 12 Jan 2027 Windows Server 2016 end of extended support
- 12 Jan 2027 Windows 10 Enterprise LTSC 2021 support ends
- 12 Oct 2027 Windows 10 consumer ESU programme ends
- 12 Oct 2027 Windows 11 24H2 Enterprise and 25H2 Home/Pro servicing ends
- 10 Oct 2028 Windows 11 25H2 Enterprise and Education servicing ends
Sources