You need to configure Knowledge Management (KM) for SAP NetWeaver 7.0 to serve as a provider for the SAP NetWeaver Composition Environment (CE) or SAP NetWeaver 7.3 system.
To ease reading of this section, we are going to refer to both SAP NetWeaver Composition Environment (CE) and SAP NetWeaver 7.3 systems as SAP NetWeaver CE system in the text below.