How To Fix CNV_CDMC_CA319 - Connection to RFC Destination &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_CDMC_CA - CDMC Clearing Analysis

• Message number: 319

• Message text: Connection to RFC Destination &1 failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_CDMC_CA319 - Connection to RFC Destination &1 failed ?

  The SAP error message CNV_CDMC_CA319 indicates that there is a failure in establishing a connection to the specified RFC (Remote Function Call) destination. This error typically arises in the context of data migration or conversion processes, particularly when using the SAP Conversion Tools.
  Causes:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity issues between the SAP system and the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Target System Down: The target system that the RFC destination points to may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  SAP Gateway Issues: The SAP Gateway service may not be running or may be misconfigured.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue and check its configuration.
  Ensure that the connection type is correct (e.g., TCP/IP, TCP/IP with message server).
  Test the connection using the "Test Connection" button.
  
  
  
  Verify Network Connectivity:
  
  Ensure that the network connection between the SAP system and the target system is active.
  Use tools like ping or telnet to check connectivity to the target system.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  Check the user roles and profiles in transaction SU01.
  
  
  
  Check Target System Status:
  
  Verify that the target system is up and running.
  Check for any maintenance activities or downtimes that may affect connectivity.
  
  
  
  Review Firewall Settings:
  
  Ensure that any firewalls between the systems allow traffic on the required ports for RFC communication.
  
  
  
  Check SAP Gateway:
  
  Ensure that the SAP Gateway service is running on both the source and target systems.
  Check the gateway logs for any errors that may indicate issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage and test RFC destinations.
  SU01: To manage user accounts and authorizations.
  SMGW: To monitor the SAP Gateway and check for issues.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC connections.
  
  
  Logs and Traces: Check the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that may provide more context.
  
  
  By following these steps, you should be able to diagnose and resolve the CNV_CDMC_CA319 error effectively.