Solution : https://service.sap.com/sap/support/notes/685227 (SAP Service marketplace login required)
Key words :
top level navigation choose, level navigation choose, ep6/nw'04 solution, role assignment search, add button save, save button, start button, personalize portal, migration reason, prerequisites migration
Related Notes :
732461 | Migration of EP & KM from 5.0 to NW '04 - Central Note |