How To Fix ML_CAI_MESSAGE104 - RFC Destinations are validated successfully

SAP Error Message - Details

• Message type: E = Error

• Message class: ML_CAI_MESSAGE -

• Message number: 104

• Message text: RFC Destinations are validated successfully

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ML_CAI_MESSAGE104 - RFC Destinations are validated successfully ?

  The SAP error message "ML_CAI_MESSAGE104 RFC Destinations are validated successfully" typically indicates that there is an issue related to the configuration or communication of Remote Function Calls (RFC) in the SAP system. This message suggests that the RFC destinations have been validated, but it does not provide a specific error; rather, it may be part of a broader context where an issue is being diagnosed.
  Possible Causes:
  
  RFC Destination Configuration: The RFC destination may not be configured correctly. This includes incorrect parameters such as the target system, user credentials, or connection type.
  Network Issues: There may be network connectivity issues between the SAP systems involved in the RFC call.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the required actions.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  SAP Notes: There may be specific SAP Notes related to the version of SAP you are using that address known issues with RFC connections.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 and verify the configuration of the RFC destination.
  Ensure that the connection type (e.g., T, 3, etc.) is appropriate for your use case.
  Test the connection from SM59 to see if it is successful.
  
  
  
  Network Connectivity:
  
  Check if there are any network issues that might be preventing communication between the systems.
  Use tools like ping or traceroute to verify connectivity.
  
  
  
  User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations.
  Check the roles and profiles assigned to the user in transaction SU01.
  
  
  
  System Status:
  
  Verify that the target system is up and running. You can check the system status in transaction SM51 or SM66.
  
  
  
  Review SAP Notes:
  
  Search for relevant SAP Notes that might address issues with RFC connections or specific error messages.
  Implement any recommended fixes or patches.
  
  
  
  Check Logs:
  
  Review the application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that could provide more context.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SU01: User Maintenance
  SM21: System Log
  SLG1: Application Log
  SM51: List of SAP Systems
  SM66: Global Work Process Overview
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on RFC configuration and troubleshooting.
  
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.