Solution : https://service.sap.com/sap/support/notes/544988 (SAP Service marketplace login required)
Key words : 
dll module=ciantregistryentriesthe subkey 'hkey_users\s-1-5-21-299502267-1958367476-725345543-1206\ environment', copy registry branch 'hkey_users\s-1-5-21-299502267- 1958367476-725345543-1206\environment', upgraded abap+java sap systems based, sap netweaver '04 sr1 master installation dvd, cluster administrator select 'pause node', 40 sr1 upgraded sap systems based, upgraded sap abap+java, sap netweaver '04 sr1 dvd, upgraded sap systems based, 70 sr1 kernel oracle hp
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