How To Fix CRM_FICA_MIG021 - RFC comunication failure: message &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_FICA_MIG - Migration FI-CA

• Message number: 021

• Message text: RFC comunication failure: message &1 &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.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_FICA_MIG021 - RFC comunication failure: message &1 &2 ?

  The SAP error message CRM_FICA_MIG021 indicates an RFC (Remote Function Call) communication failure. This error typically occurs when there is an issue with the connection between the SAP systems involved in the communication. The message parameters &1 and &2 usually provide additional details about the specific nature of the error.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable.
  Firewall Restrictions: Firewalls may be blocking the communication between the systems.
  Incorrect Parameters: The parameters passed in the RFC call may be incorrect or not matching the expected format.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the systems 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.
  Check the configuration of the RFC destination that is being used. Ensure that the connection type, target host, and system number are correct.
  Test the connection using the "Test Connection" button in SM59.
  
  
  Review Authorizations: Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required actions.
  Check System Status: Verify that the target system is up and running. You can check the system status in transaction SM51 or by logging into the target system directly.
  Firewall Settings: If applicable, check the firewall settings to ensure that the necessary ports for RFC communication are open.
  Review Logs: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context about the failure.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC communication failures.
  Documentation: Review the SAP documentation for RFC connections and troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.