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 Mar 11, 2026
AMA
Ian_B1066's avatar
Ian_B1066
Copper Contributor
Mar 09, 2026

What happens if you set the registry settings on a device that is still using Legacy BIOS? Is the update process smart enough to ignore those devices?

  • Pearl-Angeles's avatar
    Pearl-Angeles
    Icon for Community Manager rankCommunity Manager
    Mar 12, 2026

    Thanks for your question! It was answered at around 0:46 during the live AMA. 

  • antfr's avatar
    antfr
    Copper Contributor
    Mar 09, 2026

    The device is not updated (since there is no Secure Boot to update) and the scheduled task Secure-Boot-Update will write a 1801 error event.