If you have a Access Control Service (ACS) namespace you will periodically see email indicating your certificate, key or password is about to expire. This video will guide you through what to check for to ensure all you certificates, keys and passwords are up to date. The code references it this presentation can downloaded at https://aka.ms/P4rzx3 Links ACS: Certificates and KeysACS Management Service API ReferenceCode Sample: ACS Management Service