Checklist for Setting Up the System Infrastructure 
The following table includes all the Customizing steps required for both systems (R/3 and SAP APO). These steps are prerequisites for the successful integration of a multiple system infrastructure.
R/3 | |||
No. |
Step |
Transaction |
To do |
1 |
Check ( Checking ALE Settings) and/or activate ALE settings |
SALE |
Required |
2 |
Setting the RFC Destination |
SM59 |
Required |
3 |
Setting the Target System |
CFC1 |
Required |
4 |
Maintaining the APO Release |
NDV2 |
Required |
APO | |||
5 |
Maintaining the Business System Group (in the Implementation Guide APO - Implementation Guide ® Advanced Planner and Optimizer (APO) ® Basis Settings ® Integration ® Business System Group) |
/SAPAPO/C1 |
Required |
6 |
Assign Logical System (in the Implementation Guide APO - Implementation Guide ® Advanced Planner and Optimizer (APO) ® Basis Settings ® Integration ® Business System Group) |
/SAPAPO/C2 |
Required |
7 |
Create customer enhancements for unambiguously identifying master data See Customer Exits. |
CMOD |
Only if necessary |