Microsoft in the present day introduced that it’ll begin utilizing Secure Hash Algorithm 2 (SHA-2) solely from May 9, 2021. All main Microsoft processes and providers together with TLS certificates, code signing, and file hashing will begin utilizing SHA-2 after this date. As anticipated, Secure Hash Algorithm 1 (SHA-1) Trusted Root Certificate Authority will expire as Microsoft received’t be updating it.
The Microsoft SHA-1 Trusted Root Certificate Authority expiration will impression SHA-1 certificates chained to the Microsoft SHA-1 Trusted Root Certificate Authority solely. Manually put in enterprise or self-signed SHA-1 certificates is not going to be impacted; nevertheless we strongly encourage your group to maneuver to SHA-2 in case you have not carried out so already.