Solution : https://service.sap.com/sap/support/notes/821488 (SAP Service marketplace login required)
Key words :
icf system logon procedure, causevery diverse symptoms, source code corrections, missing client parameter, logon screen, client reason, url parameters, cookies aredisabled, accessiblity flag, basis authentification
Related Notes :
498936 | Logon/password change in Web with BW 3.0B or higher |