How To Fix NSDM_MIG_CONTROL042 - Aggregate (complete) migration cannot be locked

NSDM_MIG_CONTROL042 - Overview

• Message type: E = Error

• Message class: NSDM_MIG_CONTROL - Log message for migration

• Message number: 042

• Message text: Aggregate (complete) migration cannot be 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.

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 NSDM_MIG_CONTROL042 - Aggregate (complete) migration cannot be locked ?

  The SAP error message NSDM_MIG_CONTROL042 indicates that the system is unable to lock the aggregate migration process, which is necessary for the complete migration of data. This error typically arises during the data migration process in SAP systems, particularly when using the Data Migration Cockpit or similar tools.
  Causes:
  
  Concurrent Processes: Another migration process or transaction might be running simultaneously, which prevents the system from acquiring the necessary lock.
  Lock Table Issues: The lock table might be full or experiencing issues, leading to the inability to set a lock for the migration process.
  System Configuration: There may be configuration issues or settings that prevent the locking mechanism from functioning correctly.
  Database Issues: Problems with the underlying database, such as deadlocks or other locking issues, can also lead to this error.
  
  Solutions:
  
  
  Check for Concurrent Processes:
  
  Verify if there are any other migration processes running. If so, wait for them to complete before starting the migration again.
  Use transaction codes