How To Fix CNV_IUUC_REPLICATION500 - User &2 is not authorized to use RFC connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 500

• Message text: User &2 is not authorized to use RFC connection &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION500 - User &2 is not authorized to use RFC connection &1 ?

  The SAP error message CNV_IUUC_REPLICATION500 indicates that a user is not authorized to use a specific RFC (Remote Function Call) connection. This error typically arises in the context of data replication or system integration scenarios, particularly when using SAP Landscape Transformation (SLT) or similar tools.
  Cause:
  The error occurs due to one of the following reasons:
  
  Authorization Issues: The user specified in the error message does not have the necessary authorizations to access the specified RFC connection.
  RFC Connection Configuration: The RFC connection itself may not be properly configured or may not allow the specified user to connect.
  User Profile: The user profile may not have the required roles or permissions assigned to perform the intended operations.
  
  Solution:
  To resolve this issue, you can follow these steps:
  
  
  Check User Authorizations:
  
  Go to transaction SU01 and enter the user ID mentioned in the error message.
  Check the roles assigned to the user and ensure that they include the necessary authorizations for using the specified RFC connection.
  
  
  
  Review RFC Connection Settings:
  
  Use transaction SM59 to check the configuration of the RFC connection mentioned in the error message.
  Ensure that the connection is correctly set up and that the user has the necessary permissions to use it.
  
  
  
  Assign Required Roles:
  
  If the user lacks the necessary roles, assign the appropriate roles that include access to the RFC connection.
  Common roles that may be required include those related to data replication, SLT, or specific application roles depending on the context.
  
  
  
  Test the RFC Connection:
  
  After making changes, test the RFC connection using the SM59 transaction to ensure that it is working correctly and that the user can connect without issues.
  
  
  
  Check for System-Specific Settings:
  
  In some cases, there may be system-specific settings or restrictions that could affect RFC access. Consult with your SAP Basis team or system administrator for any additional configurations that may be required.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  SM59: RFC Destinations
  PFCG: Role Maintenance (to manage roles and authorizations)
  
  
  
  Authorization Objects: You may need to check specific authorization objects related to RFC access, such as S_RFC, which controls access to RFC calls.
  
  
  Documentation: Refer to SAP documentation or notes related to SLT or the specific application you are working with for more detailed information on required authorizations and configurations.
  
  
  By following these steps, you should be able to resolve the authorization issue related to the RFC connection and eliminate the error message.