Solution : https://service.sap.com/sap/support/notes/780415 (SAP Service marketplace login required)
Key words : 
db2 catalog tcpip node <ssid> remote <db hostname> server <ddf port>       db2 catalog database <ssid>, isolation ur blocking unambig release commit       sqlerror continue encoding unicode dynamicrules runafter, isolation ur       blocking unambig release commit sqlerror continue       encoding unicode dynamicrules run, node <ssid> authentication server       db2 catalog dcs database <ssid>, /os51030959 sap netweaver 04 sr1 unicode kernel ibm db2 udb, 51030958 sap netweaver 04 sr1 kernel ibm db2 udb, 0 sr1 installation master dvd ibm db2 udb, db2 bind <instance directory>/sqllib/bnd/@ddcsmvs, symptom sap web application server abap 6, /os mvs installation windowsnt aix reason
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