A Google or Microsoft Account can only be connected to one CalendarBridge account at a time. Attempting to connect a Google or Microsoft account that is already connected to another CalendarBridge account will result in the following error when trying to add the account:
If you get this error, there is a good chance you have (possibly accidentally) created multiple CalendarBridge accounts under multiple email addresses. If you are not sure of the CalendarBridge account to which the Google or Microsoft account is connected, please contact support.