how to connect ERP & EWM System

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One mandatory business function is required to activate:

With business functions, SAP provides new features and enhancements in self-contained units for your existing SAP installations. This enables you to use specific new features and enhancements for your various business processes. 

For EWM, we need to activate LOG_LE_INTEGRATION for ECC and S/4 Embedded HANA environment as well.

Goto ECC, transaction SFW5 : Switch Framework: Change Business function Status -> Activate business function  LOG_LE_INTEGRATION.

 Logical System:

 logical system is used to identify a system uniquely within the network, two systems cannot have the same name if they are connected to each other as BW(business warehouse) systems.In SAP terms, logical system is client

Protocol to name LS: SYSCLNTNNN - EH8CLNT910

I will be using ECC system as EH8CLNT910 and EWM system : N75CLNT111

RFC: Remote Function Call (RFC) is the standard SAP interface for communication between SAP systems. Tcode SM59

This activity is done in both ECC & EWM system

SAP to SAP : ABAP connections

In Case of Roll out project, if you want  to change regions, goto SPRO ->SAP Netweaver settings ->Region

Also you can goto tcode CUNI- unit of measurement

There are few settings needed to be done in case of S/4 HANA

1. Goto tcode BD97, you can maintain the Main LS and dummy LS.

2. Run report /SCWM/R_ERP_RFC_DEST

3. Then check table TBLSYSDEST


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