2464128 - Connection Error in SM59: You cannot use the gateway as proxy for this connection

When performing a Connection Test on an RFC destination related to a registered program in the transaction SM59, the following output is raised:

For example, the following picture shows the results of the Connection Test on the RFC destination SOLMANDIAG:

Note: This case is not exclusive to this destination. Other RFC destinations can present the same message.

At an SAP NetWeaver Java system, the corresponding error logs would look like below:

LOCATION     SAP-Gateway on host [hostname of RFC Gateway where the program is registered] / 33xx
ERROR         reject connection request from [hostname of the SAP NetWeaver Java system]:jstart to
                    :[registered program name]
TIME             [date and time]
RELEASE       753
COMPONENT SAP-Gateway
VERSION      2
RC               750
MODULE      /bas/753_REL/src/krn/si/gw/gwr3cpic.c
LINE           1369
COUNTER    13

• Operating System independent
• Database independent
• Client/Server Technology - RFC Gateway
• SAP NetWeaver
• SAP Web Application Server for SAP S/4HANA
• ABAP Platform

129, Gateway, Proxy, gw/reg_no_conn_info, RFC connection test, SM59, registered program, Connection Error, Error when opening an RFC connection, ERROR: You cannot use the gateway as a proxy for this connection, bitmask 128, proxy info file , KBA , BC-CST-GW , Gateway/CPIC , BC-MID-RFC , RFC , BC-XI-CON , Connectivity , BC-CST , Client/Server Technology , BC-MID-CON-JCO , Java-Connector , SV-SMG-INS-DIA , Configuration of Root Cause Analysis related infrastructure , BC-MID-CON-NCO , SAP .Net Connector , Problem