How To Fix IU435 - >>>Comparing table versions of primary system and secondary system

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 435

• Message text: >>>Comparing table versions of primary system and secondary system

Self-Explanatory Message

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• What is the cause and solution for SAP error message IU435 - >>>Comparing table versions of primary system and secondary system ?

  The SAP error message IU435, which states "Comparing table versions of primary system and secondary system," typically occurs in the context of SAP Landscape Management (LaMa) or during system replication processes. This error indicates that there is a mismatch between the database table versions of the primary and secondary systems, which can lead to inconsistencies and issues in data synchronization.
  Causes:
  
  Version Mismatch: The primary and secondary systems may be running different versions of the database or have different patches applied.
  Replication Issues: If the replication process was interrupted or not completed successfully, it could lead to discrepancies in table versions.
  Configuration Errors: Incorrect configuration settings in the replication setup can lead to version mismatches.
  Database Changes: Changes made directly to the database (e.g., manual updates, schema changes) in one system that are not reflected in the other.
  
  Solutions:
  
  Check System Versions: Ensure that both the primary and secondary systems are running the same version of the database and have the same patches applied. If not, update the systems to match.
  Reinitialize Replication: If the replication process was interrupted, consider reinitializing the replication to ensure that all data and table versions are synchronized.
  Review Configuration: Check the configuration settings for the replication process to ensure they are correctly set up. This includes verifying the connection settings and replication parameters.
  Database Consistency Check: Perform a consistency check on both databases to identify any discrepancies. Use tools like SAP's database utilities to check for inconsistencies.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  SAP Notes: Search for specific SAP Notes related to IU435 for detailed troubleshooting steps and patches.
  Documentation: Review the SAP documentation for Landscape Management or the specific replication technology you are using (e.g., SAP HANA System Replication).
  System Logs: Check system logs for additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the IU435 error in your SAP environment.