Solution : https://service.sap.com/sap/support/notes/765900 (SAP Service marketplace login required)
Key words :
<parameters> <databaselist> <database> <client> <engineparameters>, symptom performance problems occur, database connections, higher performance, high performance, large number, terms number, ipc reason, competing users, external connections
Related Notes :
| 316877 | Maximum number of conversation exceeded |
| 314530 | Number of RFC/CPIC connections for external clients |