How To Fix IU472 - &% of data transfer complete. Upgrade can be started

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 472

• Message text: &% of data transfer complete. Upgrade can be started

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 IU472 - &% of data transfer complete. Upgrade can be started ?

  The SAP error message IU472 indicates that a data transfer process is incomplete, and it typically occurs during system upgrades or migrations. The message suggests that a certain percentage of the data transfer has been completed, but the process is not yet finished, which prevents the upgrade from starting.
  Cause:
  
  
  Incomplete Data Transfer: The primary cause of this error is that the data transfer process has not completed successfully. This could be due to various reasons, such as:
  
  Network issues causing interruptions.
  Insufficient system resources (CPU, memory, disk space).
  Errors in the data extraction or loading process.
  Configuration issues in the source or target systems.
  
  
  
  Locking Issues: Sometimes, database locks or other processes may prevent the data transfer from completing.
  
  
  Configuration Errors: Incorrect settings in the upgrade or migration configuration can lead to incomplete data transfer.
  
  
  Solution:
  
  
  Check Data Transfer Status: Review the logs and status of the data transfer process to identify any errors or warnings. This can help pinpoint where the process failed.
  
  
  Restart Data Transfer: If the data transfer has failed, you may need to restart it. Ensure that all prerequisites are met and that the system is properly configured.
  
  
  Monitor System Resources: Ensure that the system has adequate resources (CPU, memory, disk space) to complete the data transfer. If necessary, allocate more resources.
  
  
  Resolve Locking Issues: Check for any database locks or other processes that might be interfering with the data transfer. Resolve these issues before attempting to restart the transfer.
  
  
  Review Configuration: Double-check the configuration settings for the upgrade or migration process to ensure they are correct.
  
  
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may provide specific guidance or patches related to this error message.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  SAP Upgrade Guide: Refer to the official SAP upgrade guide for detailed steps and best practices for performing upgrades.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Always check the system logs (transaction SM21) for any additional error messages that may provide more context about the failure.
  
  By following these steps, you should be able to diagnose and resolve the IU472 error message and successfully complete the data transfer process.