In the technical configuration of a Central Finance landscape, a logical system is a unique identifier for a specific client within an SAP system (e.g., a source ERP system). To enable data replication and communication between the Central Finance system and the source system, a Remote Function Call (RFC) destination must be established. This RFC destination contains all the technical connection parameters (like hostname, system number, and user credentials). This pre-configured RFC destination is then explicitly assigned to the logical system, thereby creating the technical link that allows the systems to communicate.

B. System name: The system name (SID) is a component used within the RFC destination's definition, not an object assigned directly to the logical system.

C. Company code: A company code is a business organizational unit. It is configured in business mapping, not assigned at the technical logical system level.

D. Client ID: A logical system is assigned to a client in transaction SCC4 to identify it uniquely within the landscape; a client ID is not assigned to the logical system.

1. SAP Help Portal

SAP S/4HANA

Central Finance - Configuration in the Source System: "You must set up an RFC connection between the Central Finance system and the source system... You have created an RFC destination from the Central Finance system to the source system... You have defined a logical system for the source system client." This documentation outlines the creation of both entities as prerequisites for the connection. The assignment is a standard step in the Application Link Enabling (ALE) customizing (Transaction SALE).

2. SAP Help Portal

SAP S/4HANA

Central Finance - Administration Guide

Section: System Connection: "To set up the connection between the source system(s) and the Central Finance system

you must... Define logical systems... Create RFC destinations." The guide details these as sequential and related steps for establishing the technical communication channel. The assignment connects the logical name to the physical connection path.

3. SAP Customizing Implementation Guide (IMG): Path: SAP NetWeaver -> Application Server -> IDoc Interface / Application Link Enabling (ALE) -> Basic Settings -> Logical Systems -> Assign Logical System to Client. This standard SAP configuration area shows the relationship. Furthermore

in transaction SALE

the modeling of distribution models requires assigning RFC destinations to the logical systems involved in the communication.