Ask Microsoft Anything: Secure Boot - April 23, 2026

Event details

It's time for our fourth Ask Microsoft Anything (AMA) about updating Secure Boot certificates on your Windows devices before they expire in June of 2026. If you've already bookmarked Secure Boot play...

Pearl-Angeles

Updated Apr 15, 2026

AMA

Amanda_A

Copper Contributor

Apr 23, 2026

How do we confirm that a Windows device is actively booting using the Windows Boot Manager signed by the 2023 Secure Boot CA , rather than just having the 2023 certificates present or staged in firmware?