Solution : https://service.sap.com/sap/support/notes/931900 (SAP Service marketplace login required)
Key words :
terms internet graphics service reason, open transaction sa38, igs monitoring page, <igs port> page, igs defined, //<igs host>, initial page, status page, patch level, rfc listener
Related Notes :
| 1491848 | What IGS should I be using with my Web AS? |
| 995471 | IGS administration via ABAP |
| 965201 | IGS HTTP administration commands |
| 959358 | IGS HTTP administration is not possible |
| 896400 | Upgrade your integrated IGS 7.x installation |
| 718267 | Upgrade your integrated IGS 6.40 installation |