Solution : https://service.sap.com/sap/support/notes/851828 (SAP Service marketplace login required)
Key words :
j2ee connection manager replaces, symptom open connection, maximum rfc sessions, j2ee connection pool, existing sso connection, connection pool reason, sap connector framework, maximum concurrent connections, connection pool, sso connection
Related Notes :
913483 | SAP NW Portal Connectivity - Central Note |
888457 | NW2004s: Universal Worklist Release Note |