After you create an RFC destination and program ID for SAP Connector, you need to create a tRFC port for the RFC destination you defined in SAP. SAP uses the tRFC port to communicate with SAP Connector.
Go to the WE21 transaction.
Click
Ports
Transactional RFC
.
Click
Create
.
The
Ports in IDoc Processing
dialog box appears.
Click
Generate Port Name
or
Own Port Name
and enter a name.
Click
Enter
.
Enter a description for the port.
Select the IDoc record version type.
Enter the name of the RFC destination you created.