How To Fix SUSG_API103 - RFC communication failure: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SUSG_API - Usage Data API

• Message number: 103

• Message text: RFC communication failure: &1

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 SUSG_API103 - RFC communication failure: &1 ?

  The SAP error message SUSG_API103, which indicates an RFC (Remote Function Call) communication failure, typically arises when there is an issue with the connection between the SAP system and another system or service it is trying to communicate with. The message may include additional details in the placeholder "&1" that can provide more context about the specific nature of the failure.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Configuration Errors: Incorrect configuration of RFC destinations in the SAP system can lead to communication failures.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Service Unavailability: The target system or service may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication.
  SAP System Issues: The SAP system itself may have issues, such as being in a locked state or having performance problems.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target system is stable and operational. You can use tools like ping or traceroute to diagnose network issues.
  Verify RFC Destination: Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination. Ensure that the connection parameters (like host, service, and client) are correct.
  Test RFC Connection: In transaction SM59, you can test the RFC connection to see if it is working properly. This can help identify if the issue is with the connection itself.
  Check User Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  Review System Logs: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages or warnings that might provide more context.
  Firewall and Security Settings: If applicable, check firewall settings to ensure that the necessary ports are open for communication between the systems.
  Consult Basis Team: If the issue persists, it may be necessary to involve your SAP Basis team or system administrators to further investigate the problem.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RFC communication issues for any known bugs or patches that may address the problem.
  Documentation: Review SAP documentation for details on configuring RFC connections and troubleshooting communication issues.
  Community Forums: Consider searching or posting on SAP community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the RFC communication failure indicated by the SUSG_API103 error message.