How To Fix CNV_IUUC_REPL_TS021 - Error while determining RFC destination for mass transfer ID &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPL_TS - Messages for troubleshooting functions

• Message number: 021

• Message text: Error while determining RFC destination for mass transfer ID &1

What causes this issue?

An error occurred while determining the remote function call (RFC)
destination to the source system of configuration &V1&.

System Response

It is not possible to determine RFC destination for configuration &V1&.
The replication cannot proceed without a valid RFC destination.

How to fix this error?

Check the configuration settings for configuration &V1& in the
<DS:TRAN.LTR>Configuration Dashboard</>.

Procedure for System Administrators

An exception occurred in method cl_iuuc_table_list=>get_rfc_dest for
MT_ID &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPL_TS021 - Error while determining RFC destination for mass transfer ID &1 ?

  The SAP error message CNV_IUUC_REPL_TS021 typically occurs during the execution of a mass transfer process in the context of SAP Landscape Transformation (SLT) or data replication scenarios. This error indicates that there is an issue with determining the Remote Function Call (RFC) destination for the specified mass transfer ID.
  Cause:
  
  RFC Destination Not Defined: The RFC destination required for the mass transfer process may not be defined in the SAP system.
  Incorrect Configuration: The RFC destination may be incorrectly configured or may not be accessible due to network issues or authorization problems.
  Missing Authorizations: The user executing the process may not have the necessary authorizations to access the RFC destination.
  System Connectivity Issues: There may be connectivity issues between the source and target systems, preventing the RFC from being established.
  Mass Transfer ID Issues: The mass transfer ID specified may not exist or may be incorrectly referenced.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Verify that the RFC destination for the mass transfer ID is correctly defined and configured.
  Test the connection to ensure that it is working properly.
  
  
  
  Review Configuration:
  
  Ensure that the configuration for the SLT or data replication is correctly set up, including the relevant RFC destinations.
  Check the settings in the SLT configuration (transaction LTRC).
  
  
  
  User Authorizations:
  
  Ensure that the user executing the mass transfer has the necessary authorizations to access the RFC destination.
  Check the roles and profiles assigned to the user.
  
  
  
  Network Connectivity:
  
  Verify that there are no network issues preventing the connection to the RFC destination.
  Check firewall settings and network configurations.
  
  
  
  Check Mass Transfer ID:
  
  Ensure that the mass transfer ID specified in the error message is valid and exists in the system.
  You can check the mass transfer IDs in the relevant SLT transaction.
  
  
  
  Consult Logs:
  
  Review the SLT logs and system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  LTRC: SLT Configuration
  SLG1: Application Log
  
  
  Documentation: Refer to SAP Help documentation for SLT and RFC configuration for detailed guidance.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with the error details and any relevant logs.