If you make changes to the Microsoft Certification Authority, in Identity as a Service you must refresh the Microsoft CA to ensure that the Microsoft CA Gateway picks up the latest configuration changes. This is particular necessary if changes are made to the configuration of the Certification Authority, for example, editing certificate templates. If you need to make changes to your Microsoft CA in Identity as a Service, for example, change the Microsoft Proxy Server certification, you can edit and save the changes. You can also test the connection to your Microsoft CA to help troubleshoot connection issues.