How To Fix DMC_GENERAL224 - Communication failure: RFC &1 Function Module &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 224

• Message text: Communication failure: RFC &1 Function Module &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL224 - Communication failure: RFC &1 Function Module &2 ?

  The SAP error message DMC_GENERAL224 indicates a communication failure related to Remote Function Call (RFC) when trying to execute a specific function module. This error can occur in various scenarios, particularly when using SAP Data Management or SAP Landscape Management tools.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  RFC Destination Configuration: The RFC destination may not be correctly configured or may be pointing to the wrong system.
  Authorization Issues: The user executing the function may not have the necessary authorizations to perform the action.
  Function Module Issues: The function module being called may not exist, may be inactive, or may have been changed or deleted.
  System Load: High system load or performance issues can lead to timeouts and communication failures.
  Firewall or Security Settings: Firewalls or security settings may be blocking the communication between systems.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You can use tools like ping or traceroute to diagnose network issues.
  Verify RFC Destination:
  
  Go to transaction SM59 and check the configuration of the RFC destination.
  Test the connection to ensure it is working correctly.
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after the error occurs.
  Validate Function Module:
  
  Use transaction SE37 to check if the function module exists and is active.
  Ensure that the function module is correctly implemented and has not been modified in a way that would cause it to fail.
  
  
  Monitor System Performance: Check system performance and load using transaction SM50 or ST22 to identify any bottlenecks or issues.
  Review Firewall/Security Settings: Ensure that any firewalls or security settings are not blocking the required ports for RFC communication.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SE37: Function Module
  SU53: Authorization Check
  SM50: Work Process Overview
  ST22: Dump Analysis
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or open a support ticket with SAP for further assistance.