In internet browser navigate to address of SAP java server. Address naming convention looks like http://<hostname>:<portnumber>/index.html. For more information check article Java links to applications and Ports.
In browser navigate to “Web Dynpro Tools”.
Logon to “Content Administrator”.
Inside content administrator navigate to “Create JCo Destination.
First tab: Fill in general data.
Second tab: Fill in J2EE engine data.
Third tab: Fill in connection data.
Fourth tab: Fill in destination data.
Fifth tab: Fill in security data.
Sixth tab: Check the summary if all entered data are correct and click “Finish” to create JCo destination.