Hi Inaki,
What i need to do is to adjust the logical port in soamanager to avoid the WS-A header. There is a field for Message ID transfer which I have to change to "SAP Message ID". I am not sure how to do this but have been recommended to follow note 1361688.
The steps in this note are as follow:
1. Start the SOA Manager with TCODE soamanager,
2. Search for the consumer proxy,
3. display the proxy definitioin,
4. Select the logical port,
5. Choose the tab "Messaging",
6. In the DropDown "Message ID Protocol" select "Suppress ID Transfer".
