Solution : https://service.sap.com/sap/support/notes/834976 (SAP Service marketplace login required)
Key words :
symptom error = [microsoft][odbc sql server driver][dbnetlib]sql server, <migration cd>\sapinst-cd\tools\jars, sql server listening, sql server, prerequisites portal migration, target system listening, named instance reason, original file location, named instance, original file
Related Notes :
| 732458 | Central Note - Migration Enterprise Portal 6.0 SP2 to NW '04 |