Solution : https://service.sap.com/sap/support/notes/446039 (SAP Service marketplace login required)
Key words :
entry rfc destinations -> tcp/ip link -> optserver_mmp01, additional key words apo optimizer, sap apo mmp optimizer engine, \apoopt\mmp\bin\mmpopsvr, rfc connection optserver_mmp01, model mix planning, prerequisites solution start, activation type 'start', rfc destinations, select 'explicit host'
Related Notes :
| 436181 | Enhancements to upgrade to SAP APO 3.1 (Support Release 1) |
| 435130 | APO 3.1: Importing an optimizer version |