Solution : https://service.sap.com/sap/support/notes/887239 (SAP Service marketplace login required)
Key words :
code page settings remain set, unicode code page 4110, rfc error code, sapgui command line, gui trace sapguidll_, terms sap gui, service market place, codepage 4110for information, unicode system, connect succeeds
Related Notes :
| 50226 | Windows GUI: Creating traces using environment variable |