If you want to use NetWeaver 04, you will have to update to mySAP ERP. This is like an ABAP Upgrade for R/3 (which cannot happen). Formerly ABAP Update always had to come as an R/3 Update also. As we now deliver Technology without applications, you only can run a specific ERP on that version of NetWeaver.
Regards,
Benny
You can always access them via RFC calls.
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