How To Fix CNV_MBT173 - RFC Failure. Check the Define RFC Destinations activity for information.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 173

• Message text: RFC Failure. Check the Define RFC Destinations activity for information.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT173 - RFC Failure. Check the Define RFC Destinations activity for information. ?

  The SAP error message CNV_MBT173 indicates an RFC (Remote Function Call) failure, which typically occurs during data migration or conversion processes. This error is often related to issues with the configuration of RFC destinations in the SAP system.
  Cause:
  
  RFC Destination Configuration: The RFC destination may not be correctly defined or may be missing. This can happen if the destination is not set up in transaction SM59.
  Network Issues: There may be network connectivity issues between the systems involved in the RFC call.
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to execute the required functions.
  System Availability: The target system may be down or not reachable at the time of the call.
  Incorrect Parameters: The parameters being passed in the RFC call may be incorrect or not matching the expected format.
  
  Solution:
  
  
  Check RFC Destinations:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the relevant RFC destination. Ensure that it is defined correctly and that the connection type is appropriate (e.g., TCP/IP).
  Test the connection using the "Connection Test" button to ensure it is working properly.
  
  
  
  Review Network Settings:
  
  Ensure that there are no firewall or network issues preventing communication between the systems.
  Verify that the hostname and port number in the RFC destination are correct.
  
  
  
  Check User Authorizations:
  
  Ensure that the user ID used for the RFC call has the necessary authorizations to perform the required actions in both the source and target systems.
  
  
  
  System Availability:
  
  Check if the target system is up and running. If it is down, you will need to wait until it is available again.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace (transaction ST22) for any additional error messages that might provide more context about the failure.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or support for further troubleshooting steps specific to your version and configuration.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SICF: HTTP Service Hierarchy (for web services)
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC failures.
  
  
  SAP Community: Consider checking the SAP Community forums for similar issues and solutions shared by other users.
  
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_MBT173 RFC failure.