Solution : https://service.sap.com/sap/support/notes/834466 (SAP Service marketplace login required)
Key words :
post-migration activity migration, symptom ear file required, ear file required, sap enterprise portal 5, /nw-howtoguides > portal, nw '04 portal, portal navigation, sap netweaver '04, nw '04 reason, migrating ep 5
Related Notes :
732461 | Migration of EP & KM from 5.0 to NW '04 - Central Note |