In this post, we are going to see what you can do to resolve Event ID 1801, Secure Boot CA/keys need to be updated. Event ID 1801 is a warning logged by Windows to indicate that the Secure Boot ...
Certificate Expiration: The KEK CA 2011 certificate expired on June 24, 2026, stopping unpatched systems from receiving new Secure Boot revocations. Trust Chain Preservation: The update replaces 2011 ...