Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

Make sure you've updated before the deadline.

Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...

Microsoft has started automatically replacing expiring Secure Boot certificates on eligible Windows 11 24H2 and 25H2 systems. Secure Boot is a security feature that blocks malicious software (like ...

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts. As the clock ...

Microsoft is advising organizations to prepare their Windows Server environments for upcoming Secure Boot certificate updates. The changes are intended to maintain the integrity o ...

Event ID 1034: The cause of this informative event being logged is a confirmation that the Secure Boot DBX database has been updated successfully. Modifying or updating the untrusted Secure Boot ...

In this post, we will show you how to disable Secure Boot in Hyper-V and what to do if Hyper-V is not booting when Secure Boot is enabled. If you’re running a Generation 2 virtual machine in Hyper-V ...