How To Fix CNV_IUUC_REPL_UI020 - Please enter correct RFC connection

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_UI - IUUC replication messages related to UI

• Message number: 020

• Message text: Please enter correct RFC connection

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_UI020 - Please enter correct RFC connection ?

  The SAP error message CNV_IUUC_REPL_UI020 typically indicates an issue with the Remote Function Call (RFC) connection in the context of data replication or migration processes, particularly when using the SAP Landscape Transformation (SLT) or similar tools.
  Cause:
  
  Incorrect RFC Connection: The RFC connection specified in the configuration is either incorrect or not properly set up.
  Connection Issues: There may be network issues preventing the connection to the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Configuration Errors: The RFC destination may not be configured correctly in the SAP system.
  System Availability: The target system may be down or not reachable.
  
  Solution:
  
  
  Check RFC Connection:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC connection that is being used.
  Test the connection by selecting it and clicking on the "Test Connection" button. Ensure that it connects successfully.
  
  
  
  Verify Configuration:
  
  Ensure that the RFC destination is correctly configured with the right parameters (such as the target system's IP address, system number, client, user, and password).
  Check if the connection type is appropriate (e.g., TCP/IP).
  
  
  
  Check Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required operations.
  
  
  
  Network Issues:
  
  Check for any network issues that might be preventing the connection. This could include firewall settings or network outages.
  
  
  
  System Status:
  
  Verify that the target system is up and running. You can do this by trying to log in to the target system directly.
  
  
  
  Review Logs:
  
  Check the logs for any additional error messages that might provide more context about the issue. You can look at transaction SLG1 for application logs related to the SLT process.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific version of SLT or the data replication process you are using for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: For managing RFC connections.
  SLG1: For viewing application logs.
  ST22: For dump analysis, in case of ABAP runtime errors.
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error message or provide additional troubleshooting steps.
  
  
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_IUUC_REPL_UI020 error message.