Microsoft has issued a notice to those still using older versions of Windows, as some PCs may lose access to Windows Updates by 2027. The company plans to renew its security certificates that expire on May 17 and June 19 and computers that do not have the new certificate installed. This service will stop receiving updates.
As Microsoft explains on its official blog, these certificates are used to verify that devices are connected to valid Windows Update servers. The problem is that they have an expiration date and must be replaced from time to time, but most users have a compatible version of Windows and keep their computers updated. You don’t have to do anything.
Not all Windows computers do the same
The situation varies depending on the installed version. For example, those using Windows 11 25H2 or later can forget about it, while computers running Windows 11 24H2 need to have at least the September 2025 security update installed. On other supported systems, such as Windows Server 2022 or versions of Windows 10 that are still supported, Microsoft requires a July 2026 or later update.
There are cases with lower margins. device with Windows 10 Enterprise 2019 LTSC, Windows Server 2019 and Windows Server 2016 They have to install the corresponding updates before May 17, 2027 instead of June 19. And if we talk about versions that are no longer supported, Microsoft recommends updating to a compatible system.
But beware, this does not mean that all old computers will suddenly stop working. What affected computers will lose is connectivity to Windows Update and, therefore, the ability to receive updates through that service. Additionally, Microsoft makes it clear The change does not affect devices that use Windows Server Update Service (WSUS).A tool used to distribute updates to enterprise networks.
For its part, Windows 11 26H2 is now available for devices compatible with versions 24H2 and 25H2. Microsoft also recommends IT administrators check which computers are still using older systems and prepare to upgrade before certification expires.
Picture | Microsoft
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