Application Link Enabling (ALE) has of various components. When you configure the SAP system to enable the driver, you should consider the following ALE components and their relationship to the driver:
Clients and Logical Systems
Message Types
IDoc Type
Distribution Model
Partner Profiles
Port Definition
File Port
Change Document/IDoc Outbound Processing
Refer to Configuring the SAP System for instructions on how to configure these SAP system parameters.