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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
josephcoco's avatar
josephcoco
Occasional Reader
Feb 05, 2026

Are there specific instructions with how to deploy this remediation using MECM with, maybe, a task sequence? If so, can you please direct them to me?

 

And as someone else also mentioned, can you also please provide instructions on how to update the boot manager within SCCM for PXE booting? We just recently upgraded our ADK in early August 2025 to 10.0.26100.2454. What else needs to be done or downloaded for SCCM PXE booting?