Creando Sistemas Externos (creando conexión sistemas fuentes)

You can specify the type of source system in the Administrator Workbench in the source system tree with the Create function.

You can make the settings for the logical system name in the BW Customizing Implementation Guide under Business Information Warehouse à Connections to other Systems à General Connection Settings. In the source system, you will find the settings for the logical system in the Implementation Guide under Cross Application Components à Distribution (ALE) à Basic Settings

Creating External Systems

Prerequisites

1. You have made the following settings in the BW Customizing Implementation Guide under Business Information Warehouse ® Connections to other Systems.

• General connection settings,
• Verify workflow customizing.

2. As a rule, no system changes are permitted in productive systems at all. Connecting a system as a source system to a BW or connecting a BW to a new source system will, however, mean changes as far as the system change option is concerned. For the clients concerned in the BW system therefore, you have made sure that the following changes are permitted during the source system connection.

• Cross-client Customizing and Repository changes

In the BW Customizing Implementation Guide, select the relevant client under Business Information Warehouse ® Connections to Other Systems ® General Connection Settings ® Assign Logical System to Client, then choose Goto ® Detail. Choose the entry Changes to Repository and Cross-Client Customizing Permitted in the field Changes to Cross-Client Objects.

• Changes to the software components local developments and Business Information Warehouse.

You can set up the changeability with Transaction SE03 (Organizer Tools). Choose Organizer Tools ® Administration ® Set Up System Change Option, then Execute. Make the settings in the subsequent screen.

• Changes in the customer name range

Again, you can set up the changeability for the customer name area with Transaction SE03.

• Changes to BW namespaces /BIC/ and /BI0/

Again, you can set up the changeability of the BW namespace with Transaction SE03.

Procedure

1. In the BW Administrator Workbench, choose Source system tree ® Context menu (right mouse button) ® Create, and select the radio button for creating an external system.
2. Enter a name and a description.
3. For your extraction tool, maintain the destination that is to be referred to when loading data from BW.

Result

When you use the created destinations, the ALE settings that are necessary for communication between a BW system and an external system, are created in BW in the background. The BW settings in BW are created to a new link.

See also:

Maintaining InfoSources (External System)