SAP Basis Tech Supports

Symptom
Although you define logon data for a service in transaction SICF, a new logon is required when you execute the HTTP request.
Other terms
HTTP, logon, login
Reason and Prerequisites
You must take the following points into account when maintaining logon data for an Internet Communication Framework (ICF) service:
1. Checking the maintained logon data in the service.When maintaining [...]

Symptom
Login to a system, from the same browser session go to another system and re-authenticate to that system, go back to the previous system and
try to access some different application. The SSO will not work any longer and you will be asked to re-authenticate.
Other terms
SSO, Logon Ticket, MYSAPSSO2, Authentication
Reason and Prerequisites
You have two systems [...]

Symptom
When you execute remote function calls, the RFC logon screen is displayed for the logon to the selected application server. The same applies when you execute one of the functions of transaction SM51 (for example, Release Info).
Otherwise, the entries CALL_FUNCTION_SIGNON_REJECTED or CALL_FUNCTION_SYSCALL_ONLY are made in the system log (transaction SM21) and in [...]

Symptom
You want to use an SAP shortcut to logon to an SAP system in the language which is set as the default language in the user parameters (in SU01 -> Defaults -> Logon Language).In 710 GUI:
language from the parameter zcsa/system_language overwrites the one defined in SU01 if both are different.Other terms
SAP shortcut, SAPShortcut, [...]