SAP Gateway

In case of the specific error:

SAP.Middleware.Connector.RfcCommunicationException: Connection parameter GATEWAY_HOST missing

Add the gateway hostname and gateway service to the Logical system connection attributes.

How to find the gateway hostname and the gateway service ?

• Open the SAP logon form.
• Choose the SAP system to connect to.
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• Give User and Password and make the connection.
• Go to transaction SMGW.
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• Choose the Goto menu from the drop down menu.
• Choose Parameters > Display
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• In the parameter list, find the values for gateway hostname and gateway service.