How To Fix ISU_S4H_C4C_UTIL_MSG277 - Please change RFC destination from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ISU_S4H_C4C_UTIL_MSG -

• Message number: 277

• Message text: Please change RFC destination from &1 to &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISU_S4H_C4C_UTIL_MSG277 - Please change RFC destination from &1 to &2 ?

  The SAP error message ISU_S4H_C4C_UTIL_MSG277, which states "Please change RFC destination from &1 to &2," typically indicates an issue with the Remote Function Call (RFC) destination configuration in your SAP system. This error often arises in scenarios where the system is trying to connect to another SAP system or service, and the configured RFC destination is either incorrect or needs to be updated.
  Cause:
  
  Incorrect RFC Destination: The RFC destination specified in the configuration is not valid or does not point to the correct system.
  System Changes: Changes in the system landscape, such as system upgrades, migrations, or changes in the network configuration, may require updates to the RFC destination.
  Configuration Issues: The RFC destination may not be properly configured, or the connection parameters (like user credentials, connection type, etc.) may be incorrect.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction code SM59 in the SAP GUI.
  Look for the RFC destination specified in the error message (the first destination, &1).
  Verify if it is correctly configured and points to the right target system (the second destination, &2).
  
  
  
  Update RFC Destination:
  
  If the RFC destination is incorrect, you can either modify it to point to the correct destination or create a new RFC destination if necessary.
  Ensure that the connection type (e.g., TCP/IP, TMW, etc.) and other parameters are correctly set.
  
  
  
  Test the Connection:
  
  After making changes, use the "Test Connection" feature in SM59 to ensure that the RFC destination is working correctly.
  
  
  
  Check Authorizations:
  
  Ensure that the user credentials used in the RFC destination have the necessary authorizations to access the target system.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct settings for the RFC destination, consult the relevant SAP documentation or your system administrator for guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: For managing RFC destinations.
  SICF: For checking HTTP services if the RFC is related to web services.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message or provide additional troubleshooting steps.
  
  
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  
  
  SAP Community: Consider searching or posting in the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to resolve the error message ISU_S4H_C4C_UTIL_MSG277 and ensure that your RFC destinations are correctly configured.