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It's time for our second 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...
Heather_Poulsen
Updated Jan 29, 2026
AMA
Hickster's avatar
Hickster
Copper Contributor
Feb 05, 2026

I have noticed a registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecureBoot\Servicing\ConfidenceLevel

 But I can't find any reference to. Is it unrelated, or perhaps a coming feature?

mikemagarelli's avatar
mikemagarelli
Copper Contributor
Feb 05, 2026

Same. I could find no documentation that referenced that key at all.