Solution : https://service.sap.com/sap/support/notes/1474759 (SAP Service marketplace login required)
Key words :
sap exchange infrastructure, relevant support package, send asynchronous messages, error message msgguid_existing, error message, error msgguid_existing, receive messages, terms msgguid_existing, error situation, class cx_xms_syserr_protocol
Related Notes :
| 1614154 | Error MSGGUID_EXISTING for synchronous messages |
| 1511517 | SAP EHP1 FOR SAP NETWEAVER PI 7.1 SP06 |
| 1511515 | SAP Netweaver for PI 7.10 Support Package 11 |
| 1476226 | NW04s XI Support Package Stack 22 |