How To Fix IHC279 - RFC call &1 failed in system &2

SAP Error Message - Details

• Message type: E = Error

• Message class: IHC - IHC Messages

• Message number: 279

• Message text: RFC call &1 failed in system &2

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 IHC279 - RFC call &1 failed in system &2 ?

  The SAP error message IHC279, which states "RFC call &1 failed in system &2," typically occurs in the context of the SAP Intercompany Financial Communication (IHC) module. This error indicates that there was a failure in a Remote Function Call (RFC) to another SAP system, which is often used for intercompany transactions.
  Causes:
  
  Network Issues: There may be network connectivity problems between the two SAP systems.
  RFC Destination Configuration: The RFC destination may not be correctly configured or may be inactive.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations in the target system.
  System Availability: The target system may be down or not reachable.
  Function Module Issues: The function module being called may not exist or may have been changed in the target system.
  Parameter Mismatch: There may be a mismatch in the parameters being passed to the function module.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the two systems. You can use tools like ping or telnet to test connectivity.
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination used for the call.
  Test the connection to ensure it is working properly.
  
  
  Check Authorizations: Ensure that the user ID used for the RFC call has the necessary authorizations in the target system.
  System Status: Verify that the target system is up and running. You can check the system status in the SAP GUI or through system monitoring tools.
  Function Module Verification: Ensure that the function module being called exists in the target system and is active. You can check this in transaction SE37.
  Parameter Validation: Review the parameters being passed to the function module to ensure they match the expected input in the target system.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 for managing RFC destinations.
  ST22 for checking dump analysis if the error leads to a short dump.
  SLG1 for checking application logs related to the IHC module.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to IHC279 or RFC calls.
  Documentation: Review the SAP documentation for the IHC module for any specific configuration or operational guidelines.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.