How To Fix CNV_IUUC_REPLICATION423 - Error while deleting configuration; System is in upgrade phase

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 423

• Message text: Error while deleting configuration; System is in upgrade phase

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION423 - Error while deleting configuration; System is in upgrade phase ?

  The SAP error message CNV_IUUC_REPLICATION423 typically occurs during the data replication process in the context of SAP system upgrades or migrations, particularly when using the SAP Landscape Transformation (SLT) replication server. This error indicates that the system is in an upgrade phase, which prevents certain operations, such as deleting configurations.
  Cause:
  The error is caused by the system being in an upgrade or maintenance phase. During this time, certain configurations and operations are restricted to ensure data integrity and consistency. The replication configuration cannot be deleted because the system is not in a stable state.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Upgrade Status: Verify if the upgrade process is still ongoing. If it is, you will need to wait until the upgrade is completed.
  
  
  Complete the Upgrade: If the upgrade is in progress, allow it to finish. Once the upgrade is complete, you should be able to delete the configuration without encountering this error.
  
  
  Post-Upgrade Activities: After the upgrade, ensure that all post-upgrade activities are completed. This may include running specific transactions or programs to finalize the upgrade process.
  
  
  System Restart: In some cases, a system restart may be necessary after the upgrade to ensure that all components are functioning correctly.
  
  
  Check for Locks: If the upgrade is complete but you still encounter the error, check for any locks or active processes that might be preventing the deletion of the configuration.
  
  
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide additional guidance or patches related to this error.
  
  
  Contact SAP Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  SAP Notes: Always check the SAP Support Portal for any specific notes related to the error message CNV_IUUC_REPLICATION423. There may be updates or patches that address this issue.
  SLT Documentation: Review the SAP Landscape Transformation documentation for best practices and troubleshooting steps related to replication configurations.
  Upgrade Documentation: Familiarize yourself with the upgrade documentation for your specific SAP version to understand the implications of the upgrade process on system operations.
  
  By following these steps, you should be able to resolve the CNV_IUUC_REPLICATION423 error and successfully manage your replication configurations.