Solution : https://service.sap.com/sap/support/notes/1164874 (SAP Service marketplace login required)
Key words :
icm/host_name_full reason, fully qualified hostname, internet communication manager, unknown host-------------------------------description, transaction sicf creates, transaction sicf, browser opens, system issues, error message, server named
Related Notes :
| 773830 | FQHN determination in ICM |