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Windows 11 21H2 and Windows Server 2012 reach end of support

https://www.bleepingcomputer.com/news/microsoft/windows-11-21h2-and-windows-server-2012-reach-end-of-support/

Windows Server 2012 and multiple editions of Windows 11, version 21H2, have reached the end of support with this month's Patch Tuesday.

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I'm sure we will see windows server 2012 still in use and connected to the internet for decades to come

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Because you can pay for extended security updates, yes. Looking at defence and governnent globally, this is true of systems including xp.