We've flagged the older Application Server - Message Server SAP connectors for retirement, both fully replaced with the new SAP connector supporting both connection scenarios. They will continue to function for all existing Logic Apps. When creating new Logic Apps in the designer, only the new SAP connector will now appear. This connector has all the functionality of the old connectors (same schemas, same SAP action naming scheme) and some new additional functionality. More on that in the earlier post about the reasons for the new SAP connector.