Event details
It's time for our third 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 playb...
Pearl-Angeles
Updated Apr 21, 2026
davidallen
Mar 10, 2026Brass Contributor
If we're doing baremetal OS deployment using ConfigMgr or other solutions, what needs to be done so newly imaged workstations immediately contain the new secure boot certificates? I'm using the Windows 11 25H2 Enterprise image from the Microsoft VLSC updated with the 2026-02 updates (KB5077181) and no other modifications. I'm imaging a Dell system running the latest BIOS version. After imaging, I still get event ID 1801 indicating "Updated Secure Boot certificates are available on this device but have not yet been applied to the firmware."