Add a system in the SAP GUI, select 'Group/Server Selection'. After input SID, message server IP address (without port number), no logon group can be selected in 'Group/Server' field and error displayed.
Another symptom is if the system was already added in SAP GUI and the Message Server port number was changed later, then trying to logon to the system raises the message "Error: internal error (this retcode should be handled by caller of MS-layer)" in SAP GUI.
- SAP GUI for Windows release independent
KBA , BC-FES-GUI , SAP GUI for Windows , BC-CST , Client/Server Technology , Problem
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