Solution : https://service.sap.com/sap/support/notes/792910 (SAP Service marketplace login required)
Key words : 
\usr\sap\u92\dvebmgs<instnumber>\igs\conf\igs, =============== 1     general 2     pre-installation 3     installation 4     post-installation chronological summary, occur----------------------------------------------------------------------- 1  general 2  pre-installation 3  installation 27/apr/06oracle, date      section  description -----------------------------------------------------------------------27/apr/06   3      oracle fail safe, fail safe database20/mar/06   3      missing dlls, replaces existing installation master dvds, syntax <domain>\<user_name>27/apr/06   3      oracle, <domain>\<username>27/apr/06oracle, 4  post-installation 18/oct/05igs, oracle fail safe manager
Related Notes : 
       
| 803018 | Central note for NetWeaver04 High Availability capabilities |