How To Fix ESH_INTEGRATION248 - &1 is not a valid RFC-connection for back-end systems

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_INTEGRATION - ESH Integration

• Message number: 248

• Message text: &1 is not a valid RFC-connection for back-end systems

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_INTEGRATION248 - &1 is not a valid RFC-connection for back-end systems ?

  The SAP error message ESH_INTEGRATION248 indicates that there is an issue with the RFC (Remote Function Call) connection to the back-end system. This error typically arises when the system is unable to establish a valid connection to the specified back-end system, which is necessary for executing certain functions or retrieving data.
  Causes:
  
  Incorrect RFC Destination: The RFC destination specified may not be correctly configured or may not exist.
  Network Issues: There may be network connectivity issues between the SAP system and the back-end system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the back-end system.
  System Configuration: The back-end system may not be properly configured to accept connections from the front-end system.
  Service Not Running: The required services on the back-end system may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Verify that the RFC destination is correctly configured. Check the connection type, target host, and system number.
  Test the connection using the "Test Connection" button to ensure it is working.
  
  
  
  Network Connectivity:
  
  Ensure that there are no firewall rules or network issues preventing the connection between the systems.
  Use tools like ping or telnet to check connectivity to the back-end system.
  
  
  
  User Authorizations:
  
  Verify that the user credentials used for the RFC connection have the necessary authorizations in the back-end system.
  Check the user roles and profiles to ensure they are correctly assigned.
  
  
  
  System Configuration:
  
  Ensure that the back-end system is configured to accept connections from the front-end system.
  Check the instance profile and parameters related to RFC connections.
  
  
  
  Service Status:
  
  Check if the necessary services (like the SAP Gateway) are running on the back-end system.
  Restart the services if necessary.
  
  
  
  Logs and Traces:
  
  Review the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that may provide more context.
  Use transaction SLG1 to check application logs related to the error.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for more details on configuring RFC connections and troubleshooting connectivity issues.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the ESH_INTEGRATION248 error message.