1. Key in T-code SCC4. Click on create button. Then click on the new entries button.
2. Key in the client number and name. Change the client role to Test.
3. Login into new client with Sap*. Enter T-Code SCCL. Key in the Source client as 000. Click on schedule as background job. Selected profile SAP_ALL.
4. Uncheck No printer dialog and check immediately. Then click schedule job.
5. If you get this prompt, click wizard.
6. Click continue.
7. Click continue.
8. Click continue.
9. After complete the creating RFC connection. Click on schedule job again. Then click continue.
10. Then go to T-code SCC3. Then double click on the column. Then monitor until the status complete.
Good job! Thanks for the very detailed Step-By-Step guide.