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Microsoft Win11 24H2 hot patch support document exposed, theoretically the device only needs to be restarted 4 times within a year to install updates

2024-08-24

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IT Home reported on August 24 that technology media Windows Latest published a blog post yesterday (August 23), reporting that Microsoft released a detailed support document for the Windows 11 24H2 "hot patching" function. As of the time of IT Home's publication, Microsoft has officially withdrawn the document.

What are the benefits of hotpatching in Windows 11?

IT Home reported in February this year that Microsoft plans to introduce "hot patching" in Windows 11 updates. In the future, users will install monthly cumulative updates, and there will be no need to restart after the installation is complete.

Microsoft hopes to improve the upgrade experience by introducing "hot patches". The company has already used this solution on some versions of Windows Server and Xbox, and is now considering promoting it to Windows 11 systems.

Hot patching works by patching the memory code of a running process without restarting the process.

Sources said Microsoft intends to use the "hot patch" feature on Windows 11 to provide monthly security updates so that users do not need to restart after installation. However, "hot patches" rely on baseline updates, which require a restart every few months.

This means that ideally, only four months of the year will require a reboot for security updates: January, April, July, and October. The other months will be serviced via hotfixes without requiring a reboot.

Microsoft withdraws update

The source PhantomOcean3 tweeted on August 22, saying that Microsoft tried to deploy a "hot patch" for Windows 11 24H2 in the August update.

Microsoft subsequently withdrew the relevant document content, but the Internet Archive still has archived content, and interested users can click to read it.