Event details

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 Feb 19, 2026
AMA
HeyHey16K's avatar
HeyHey16K
Steel Contributor
Dec 05, 2025

What qualifies a device as "high-confidence" please?

 

mikehartstein's avatar
mikehartstein
Copper Contributor
Dec 09, 2025

I have yet to see a value next to the BucketConfidenceLevel key in the text of the Event ID 1801s in our environment. MS' inventory/discovery script lists several possible values, though...