Solution : https://service.sap.com/sap/support/notes/1248222 (SAP Service marketplace login required)
Key words :
control panel -> administrative tools -> data sources, terms profile parameters mssql sql server microsoft 6, files named dbsl_w<nn>, produce files named dbsl_p<, special report named rsmss_dbsl_profile_switch, microsoft odbc native drivers, tcp/ip packet size, input/output buffer area, environment variable mssql_dbslprofile set, individual application server profiles
Related Notes :
738371 | Creating DBCON multiconnect entries for SQL Server |
28667 | Microsoft SQL Server Specific Profile Parameters |