How To Fix UR165 - Delta upgrades are only possible with active realignment run

SAP Error Message - Details

• Message type: E = Error

• Message class: UR -

• Message number: 165

• Message text: Delta upgrades are only possible with active realignment run

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UR165 - Delta upgrades are only possible with active realignment run ?

  The SAP error message UR165 indicates that a delta upgrade cannot be performed because there is no active realignment run. This error typically occurs in the context of SAP systems that utilize the Upgrade Manager (SUM) for performing upgrades, particularly when dealing with the Software Update Manager (SUM) and the Maintenance Planner.
  Cause:
  The error arises when:
  
  A delta upgrade is attempted without having an active realignment run.
  The system is not in the correct state to perform the delta upgrade, which requires that the previous upgrade or maintenance activities have been properly aligned and completed.
  
  Solution:
  To resolve the UR165 error, follow these steps:
  
  
  Check Realignment Status: Ensure that a realignment run has been executed successfully. You can check the status of the realignment in the SUM tool.
  
  
  Start a Realignment Run: If there is no active realignment run, you need to initiate one. This can typically be done through the SUM tool:
  
  Open the Software Update Manager.
  Navigate to the appropriate section for realignment.
  Start the realignment process and ensure it completes successfully.
  
  
  
  Review Logs: If the realignment run fails, review the logs generated by the SUM tool to identify any issues that may have caused the failure. Address any errors found in the logs.
  
  
  Follow Documentation: Refer to the official SAP documentation for the specific version of the SUM tool you are using. This documentation often contains detailed steps and troubleshooting tips for handling upgrade-related issues.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to the error message UR165.
  
  
  Contact SAP Support: If you are unable to resolve the issue through the above steps, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  Related Information:
  
  Upgrade Manager (SUM): This is the tool used for performing upgrades and applying support packages in SAP systems.
  Realignment Run: This is a process that ensures that the system is in a consistent state before proceeding with further upgrades or maintenance activities.
  Delta Upgrade: This refers to an upgrade that includes only the changes made since the last upgrade, rather than a full upgrade.
  
  By following these steps, you should be able to resolve the UR165 error and proceed with your delta upgrade successfully.