How To Fix KE_HDB042 - Replication is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: KE_HDB - Message Class for Accelerated CO-PA

• Message number: 042

• Message text: Replication is locked

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KE_HDB042 - Replication is locked ?

  The SAP error message KE_HDB042, which indicates that "Replication is locked," typically occurs in the context of SAP HANA when there is an issue with the data replication process. This can happen in various scenarios, such as during data loading, replication of data from one system to another, or when there are inconsistencies in the data replication setup.
  Causes:
  
  Active Replication Lock: The replication process may be locked due to an ongoing operation that has not been completed or has failed.
  System Maintenance: Maintenance activities or system upgrades can temporarily lock replication processes.
  Configuration Issues: Incorrect configuration settings in the data replication setup can lead to locks.
  Database Locks: Locks at the database level can prevent replication from proceeding.
  Resource Constraints: Insufficient system resources (CPU, memory, etc.) can lead to replication being locked.
  
  Solutions:
  
  
  Check for Active Locks:
  
  Use transaction codes like SM12 to check for any active locks in the system. If you find locks that are no longer needed, you can release them.
  
  
  
  Review Replication Status:
  
  Check the status of the replication process using transaction codes like SLG1 (Application Log) or RSPC (Process Chains) to identify any errors or issues that need to be resolved.
  
  
  
  Restart Replication:
  
  If the replication process is stuck, you may need to stop and restart the replication. This can often resolve temporary issues.
  
  
  
  Check Configuration:
  
  Review the configuration settings for the replication process to ensure they are correct. This includes checking the source and target system settings.
  
  
  
  System Resources:
  
  Monitor system resources to ensure that there are no bottlenecks. If necessary, allocate more resources to the system.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12, SLG1, RSPC, and ST22 for monitoring locks, logs, and dumps.
  SAP HANA Studio: Use SAP HANA Studio to monitor replication and check for any issues in the HANA database.
  Documentation: Refer to SAP documentation for detailed information on data replication processes and troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the KE_HDB042 error and implement a solution to resolve it.