How To Fix IUUC_IMIG028 - Initial migration of &1 tables not yet completed

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_IMIG - IUUC@IMIG Incremental migration (MDS)

• Message number: 028

• Message text: Initial migration of &1 tables not yet completed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IUUC_IMIG028 - Initial migration of &1 tables not yet completed ?

  The SAP error message IUUC_IMIG028 indicates that the initial migration of the specified tables has not yet been completed. This error typically occurs in the context of SAP Landscape Transformation (SLT) or when using SAP Data Services for data replication or migration.
  Cause:
  The error arises when the initial load of data from the source system to the target system has not been fully executed. This can happen due to several reasons, including:
  
  Incomplete Initial Load: The initial data migration process was interrupted or failed, leaving some tables in an incomplete state.
  Configuration Issues: There may be misconfigurations in the SLT or data replication settings that prevent the initial load from completing.
  Performance Issues: High load on the source or target system can lead to timeouts or failures in the data migration process.
  Data Volume: Large volumes of data can take a significant amount of time to migrate, and if the process is not monitored, it may appear as if it has not completed.
  
  Solution:
  To resolve the IUUC_IMIG028 error, you can follow these steps:
  
  
  Check Migration Status: Use transaction code SLT or relevant monitoring tools to check the status of the initial load for the affected tables. Look for any logs or error messages that indicate why the migration is incomplete.
  
  
  Restart Initial Load: If the initial load has failed, you may need to restart it. This can typically be done through the SLT configuration or by using the appropriate transaction codes.
  
  
  Monitor Performance: Ensure that both the source and target systems are performing optimally. Check for any performance bottlenecks that could be affecting the migration process.
  
  
  Review Configuration: Double-check the configuration settings for the SLT or data replication process to ensure that everything is set up correctly.
  
  
  Check for Locks: Ensure that there are no database locks or other issues that could be preventing the migration from completing.
  
  
  Consult Logs: Review the logs for any specific error messages that can provide more insight into why the initial migration is incomplete.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLT, SM37 (for job monitoring), and SLG1 (for application logs).
  Documentation: Refer to SAP documentation on SLT and data migration for best practices and troubleshooting steps.
  Performance Tuning: Consider performance tuning for both the source and target systems to facilitate smoother data migration processes.
  
  By following these steps, you should be able to address the IUUC_IMIG028 error and complete the initial migration of the specified tables.