How To Fix IU471 - & of data not yet transferred; do not start upgrade yet

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 471

• Message text: & of data not yet transferred; do not start upgrade yet

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 IU471 - & of data not yet transferred; do not start upgrade yet ?

  The SAP error message IU471, which states "Data not yet transferred; do not start upgrade yet," typically occurs during the upgrade process of an SAP system. This message indicates that there are still pending data transfers that need to be completed before the upgrade can proceed. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  
  Pending Data Transfers: The most common cause of this error is that there are still data transfer processes that have not been completed. This could be due to various reasons, such as:
  
  Long-running data migration jobs.
  Data inconsistencies or errors in the data transfer process.
  Manual interventions that have not been completed.
  
  
  
  Upgrade Preparation Steps: The upgrade process requires certain preparatory steps to be completed, including data transfers. If these steps are not fully executed, the system will prevent the upgrade from starting.
  
  
  Solution:
  
  
  Check Data Transfer Status: 
  
  Use transaction codes like SM37 to check the status of background jobs related to data transfer. Look for any jobs that are still running or have failed.
  Review logs for any errors that may have occurred during the data transfer process.
  
  
  
  Complete Pending Transfers: 
  
  If there are jobs that are still running, wait for them to complete.
  If there are failed jobs, investigate the cause of the failure and resolve any issues. This may involve re-running the jobs or correcting data inconsistencies.
  
  
  
  Review Upgrade Preparation Steps: 
  
  Ensure that all prerequisite steps for the upgrade have been completed successfully. This includes any necessary data migrations or adjustments.
  Consult the upgrade guide specific to your SAP version for detailed steps and requirements.
  
  
  
  System Checks: 
  
  Perform system checks to ensure that there are no other underlying issues that could affect the upgrade process.
  Check for any system locks or inconsistencies that may need to be resolved.
  
  
  
  Consult SAP Notes: 
  
  Look for relevant SAP Notes that may address this specific error message. SAP frequently publishes notes that provide solutions or workarounds for known issues.
  
  
  
  Related Information:
  
  SAP Upgrade Guide: Always refer to the official SAP upgrade guide for your specific version, as it contains detailed instructions and best practices for performing upgrades.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to address the IU471 error and proceed with your SAP upgrade successfully.