How To Fix CNV_PE104 - Synchronization of RFC settings failed; message: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 104

• Message text: Synchronization of RFC settings failed; message: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE104 - Synchronization of RFC settings failed; message: &1 ?

  The SAP error message CNV_PE104 indicates that there was a failure in synchronizing RFC (Remote Function Call) settings. This error typically arises during data migration or system conversion processes, particularly when using SAP's Software Update Manager (SUM) or the SAP S/4HANA Migration Cockpit.
  Cause:
  The error can be caused by several factors, including:
  
  Network Issues: Problems with network connectivity between the systems involved in the RFC communication.
  RFC Destination Configuration: Incorrect or missing configuration of the RFC destination in the SAP system.
  Authorization Issues: The user executing the synchronization may not have the necessary authorizations to access the RFC settings.
  System Configuration: Inconsistencies or misconfigurations in the SAP system settings related to RFC.
  Technical Issues: Bugs or issues in the SAP system or the migration tool being used.
  
  Solution:
  To resolve the CNV_PE104 error, you can follow these steps:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination. Ensure that the destination is correctly set up and that the connection is working.
  Test the connection to ensure that it is successful.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the migration has the necessary authorizations to access and modify RFC settings.
  
  
  
  Network Connectivity:
  
  Check for any network issues that might be affecting the connection between the systems. Ensure that firewalls or network policies are not blocking the RFC communication.
  
  
  
  Check Logs:
  
  Review the logs for more detailed error messages. You can check the system logs (transaction SM21) or the developer trace files (transaction ST11) for additional information.
  
  
  
  System Configuration:
  
  Ensure that all relevant system parameters and configurations are correctly set. This includes checking for any inconsistencies in the system settings.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  
  Restart the Process:
  
  Sometimes, simply restarting the migration process can resolve transient issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: SM59 (RFC Destinations), SM21 (System Log), ST22 (Dump Analysis), ST11 (Developer Traces).
  SAP Notes: Always check the SAP Support Portal for the latest notes related to your specific version and the error message.
  Documentation: Review the official SAP documentation for the migration tools you are using, as they may provide additional troubleshooting steps or best practices.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_PE104 error in your SAP system.