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Issues after revoking the "Windows Production CA 2011" certificate

Guest York Waugh

By Guest York Waugh
in Microsoft Products Support & Discussions

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Guest York Waugh

Guest York Waugh

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A few months ago, I followed the instructions from KB5025885 and completed the 4-step mitigation deployment. Now, my EFI files are signed with the "Windows UEFI CA 2023" certificate, and the "Windows Production CA 2011" certificate has been revoked.However, I have encountered an issue: I can't perform major version updates (e.g., updating from 23H2 to 24H2) via OTA, nor can I install the update using the official ISO images when Secure Boot is enabled. Currently, all images are still signed with the old certificate, and I understand that the "Windows UEFI CA 2023" certificate hasn't been widel

 

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