Ask Microsoft Anything: Secure Boot - Windows Tech Community

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Ask Microsoft Anything (AMA) about updating Secure Boot certificates on your Windows devices before they expire in June of 2026. We recently published the first version of the Secure Boot playbook, o...

Heather_Poulsen

Updated Dec 09, 2025

AMA

HeyHey16K

Iron Contributor

Dec 17, 2025

Where can we find the Microsoft high-confidence device list, so we know which makes/models are marked as high confidence please?