How To Fix URL_GEN_MSGS018 - RFC connection to logical system &1 could not be set up

SAP Error Message - Details

• Message type: E = Error

• Message class: URL_GEN_MSGS - Messages for URL Generation

• Message number: 018

• Message text: RFC connection to logical system &1 could not be set up

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message URL_GEN_MSGS018 - RFC connection to logical system &1 could not be set up ?

  The SAP error message URL_GEN_MSGS018 indicates that there is an issue with establishing an RFC (Remote Function Call) connection to a specified logical system. This error can occur due to various reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Incorrect Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity issues between the SAP systems.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Logical System Not Defined: The logical system you are trying to connect to may not be defined in the SAP system.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  Firewall Restrictions: Firewalls may be blocking the required ports for RFC communication.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Ensure that the connection type is correct (e.g., T for TCP/IP