How To Fix IU844 - >>> Upgrade is starting: Stopping data transfer jobs

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 844

• Message text: >>> Upgrade is starting: Stopping data transfer jobs

Self-Explanatory Message

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• What is the cause and solution for SAP error message IU844 - >>> Upgrade is starting: Stopping data transfer jobs ?

  The SAP error message IU844, which states "Upgrade is starting: Stopping data transfer jobs," typically occurs during an upgrade process in SAP systems. This message indicates that the system is halting any ongoing data transfer jobs to ensure a smooth upgrade process. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Upgrade Process Initiation: The error is not necessarily an error but a notification that the upgrade process has begun, and the system is stopping data transfer jobs to prevent data inconsistencies.
  Active Data Transfer Jobs: If there are active data transfer jobs (like data loads, migrations, or batch jobs) running at the time the upgrade starts, the system will stop these jobs to maintain data integrity during the upgrade.
  System Configuration: The system may be configured to automatically stop certain jobs when an upgrade is initiated.
  
  Solution:
  
  Monitor Job Status: Check the status of data transfer jobs in the SAP system. You can do this using transaction codes like SM37 (Job Monitoring) to see which jobs are running and their statuses.
  Wait for Upgrade Completion: If the upgrade is in progress, it is best to wait until the upgrade is completed. Once the upgrade is finished, you can restart the data transfer jobs.
  Schedule Jobs Appropriately: If you are aware of an upcoming upgrade, consider scheduling data transfer jobs to run before the upgrade or after it has been completed to avoid interruptions.
  Review Upgrade Documentation: Always refer to the specific upgrade documentation provided by SAP for your version, as it may contain additional steps or considerations specific to your upgrade scenario.
  Check for Errors: After the upgrade, check for any errors or warnings in the upgrade logs (transaction code SPUMG or similar) to ensure that all processes completed successfully.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to your specific version and upgrade process for any known issues or additional guidance.
  Upgrade Guide: Refer to the official SAP upgrade guide for your specific version, which provides detailed steps and considerations for a successful upgrade.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues during their upgrades.
  
  In summary, the IU844 message is a standard part of the upgrade process, indicating that data transfer jobs are being stopped to ensure a smooth upgrade. The best course of action is to monitor the upgrade process and resume jobs afterward.