CCE 1.4.2 brings a lot of bugfixes but does not change fundamentally how you plan, deploy and operate CCE. The training – originally created for CCE 1.4.1 – is still valid: Cloud Connector Edition Deep Dive
The only change that we want to point out from a deployment perspective is, that when you assign external certificates with Set-CcExternalCertificateFilePath:
Previously this was done for the Edge Server only, so Office 365 could establish a trusted connection.
Now we also allow to assign an external certificate to the Mediation Server. This will allow you to establish an encrypted TLS session between the gateway(s) and the Mediation Server – which is a recommended configuration.
In order to specify if the target is the Edge Server or Mediation Server, you need to provide the Target attribute: