Incorrect TCP port when start BEx Broadcaster or RSRT > Abap Web

Before check this document, be sure that you already followed the notes below:

• SAP Note 1921802 – 400 Bad HTTP request Error
• SAP Note 805344 – Function of automatic generation of URLs in BW ABAP Web Runtime (3.X)

You notice the BEx Broadcaster starts with an incorrect TCP port of webdynpro abap. You know the correct one and if you change it works.

The same situation occurs when you use transaction RSRT, when you select ABAP Web option.

If you check the FM (SE37) RSBB_URL_PREFIX_GET without the message_server:

To change this port, you can follow these steps:

1. Access transaction SMICM
2. Click on Goto -> Services
3. There you will see a screen like the below. You can check the box of which service has the incorrect port, click on  Service > Change
4. BE SURE that you are changing for the correct TCP