SHA-2 migration steps and configurations

Hi,

We are planning for SHA-2 migration and our environment is connector's, connector appliance ----->Logger.

Question:

1. what are steps to migrate from SHA-1 to SHA-2 on Logger?

1. what are steps to migrate from SHA-1 to SHA-2 on connector appliance?

once on upgrading SHA-2 certificate on Logger do we need to add this certificate to connector appliance? If yes could some one please help with the configuration steps.

Thanks in advance!