Solution : https://service.sap.com/sap/support/notes/576063 (SAP Service marketplace login required)
Key words : 
start->settings->control panel-> administrative tools->            data sources, set network=external lan connection                     set ipaddress=101, external network connection    external lan connection, \sapdb\<db_name>\db db_reg db <db_name> <dbm_user>, sap db-specific cluster resource types, \sapdb\<database_name> \db\db\sap\sphsapdb\, sql6   7210/tcp                     sql30  7200/tcp            compare, \sapdb\<database_name>\db db_create <database_name> <dbm_user>, \sapdb\<database_name>\db\pgm\dbmsrv, \sapdb\<database_name>\db\pgm\strt
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