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Navigating Secure Boot certificate updates in virtualized environments? Drop in to Secure Boot Office Hours and ask your questions live in the comments. For one hour, experts will be available to dis...
Heather_Poulsen
Updated Jul 07, 2026
Office Hours
Techdawgs's avatar
Techdawgs
Occasional Reader
Jul 08, 2026

I found this page useful for updating the KEK certificate: 

https://knowledge.broadcom.com/external/article/423919#disk_preparation 

I did have issues creating the disk, but I created a virtual floppy, and it worked.

Grace_VMW's avatar
Grace_VMW
Copper Contributor
Jul 08, 2026

This method can update the KEK from the firmware. However, our recommendation is to update the KEK within the OS using Microsoft's official guidance once the Windows OEM Devices PK is in place.