Solution : https://service.sap.com/sap/support/notes/520999 (SAP Service marketplace login required)
Key words :
terms db2udb db6 dbacockpit remoteadmin reason, previously selected action/system access, system xxx failed reason, method call lock failed, remote system processing continues, return code = system error, general basis dependencies, relevant support packages, enhanced rfc interfaces, selected action
Related Notes :
300828 | DB6: DBA Cockpit and Remote Monitoring for Releases < 6.10 |