Solution : https://service.sap.com/sap/support/notes/101216 (SAP Service marketplace login required)
Key words : 
open error26/feb/97   1     password/customer key heterogeneous system copy16/sep/97   9    db2/390, general/r3server/patches/rel31i/nt/alpha/ora/download, directory general/r3server/patches/rel31i_y2k/<platform>/<os>/ora, general/r3server/patches/rel31i/nt/i386/ora, general/r3server/patches/rel31i/nt/alpha/ora, minextents  & minext                    maxextents  & maxext                    pctincrease &pctinc, minextents  &minext                  maxextents  &maxext                  pctincrease &pctinc, - changed17/jul/03   8     install ptf29/nov/02   2     subsequent actions, m_aukoa m_aukoc m_aukod m_aukoe m_aukof m_aukogafter, 1  password/customer key heterogeneous system copy -----------------<d029035
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