How To Fix CNV_IUUC_REPLICATION397 - Error creating configuration &1; Target System Connection &2 already used

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 397

• Message text: Error creating configuration &1; Target System Connection &2 already used

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION397 - Error creating configuration &1; Target System Connection &2 already used ?

  The SAP error message CNV_IUUC_REPLICATION397 typically occurs during the configuration of the SAP Landscape Transformation (SLT) replication setup. This error indicates that there is an attempt to create a configuration for a target system connection that has already been used for another configuration. 
  Cause:
  
  Duplicate Configuration: The target system connection you are trying to use is already associated with another replication configuration. Each target system can only have one active configuration for a specific source system.
  Incorrect Setup: There may be a misunderstanding in the setup process, leading to attempts to create multiple configurations for the same target system.
  
  Solution:
  
  
  Check Existing Configurations: 
  
  Use transaction code LTRC (SLT Configuration) to check the existing configurations for the target system. Look for any active configurations that might be using the same target connection.
  
  
  
  Delete or Modify Existing Configuration:
  
  If you find an existing configuration that is no longer needed, you can delete it. Be cautious with this step, as it may affect ongoing data replication.
  If the existing configuration is still required, consider modifying it instead of creating a new one.
  
  
  
  Use a Different Target Connection:
  
  If you need to set up a new configuration, consider using a different target system connection that is not currently in use.
  
  
  
  Consult Documentation: 
  
  Review the SAP documentation related to SLT and replication configurations for any specific guidelines or best practices.
  
  
  
  Check for System Updates: 
  
  Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes related to replication issues.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  LTRC: To manage SLT configurations.
  LTMOM: To manage the data model and replication settings.
  
  
  
  SAP Notes: 
  
  Check SAP Notes related to SLT and replication errors for any specific fixes or recommendations.
  
  
  
  SAP Community: 
  
  Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  
  By following these steps, you should be able to resolve the CNV_IUUC_REPLICATION397 error and successfully configure your SLT replication setup.