How To Fix /STMC/CR_MSG407 - [&1] System &2/&3 has already been migrated

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 407

• Message text: [&1] System &2/&3 has already been migrated

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 /STMC/CR_MSG407 - [&1] System &2/&3 has already been migrated ?

  The SAP error message /STMC/CR_MSG407 [&1] System &2/&3 has already been migrated typically indicates that a system you are trying to migrate has already undergone the migration process. This error is part of the SAP Landscape Management (LaMa) or SAP System Migration processes, and it usually arises during attempts to re-migrate or perform operations on a system that has already been successfully migrated.
  Cause:
  
  Duplicate Migration Attempt: The most common cause is that the system has already been migrated, and you are attempting to migrate it again without resetting its migration status.
  Incorrect System Identification: There may be a misunderstanding or misconfiguration regarding the system's identification, leading to attempts to migrate a system that is already in the target state.
  Incomplete Cleanup: If a previous migration attempt was not properly cleaned up or finalized, the system may still be marked as migrated.
  
  Solution:
  
  Verify Migration Status: Check the migration status of the system in the SAP Landscape Management tool or relevant migration logs to confirm whether the system has indeed been migrated.
  Avoid Duplicate Migration: If the system is already migrated, you should not attempt to migrate it again. Instead, proceed with any necessary post-migration activities.
  Reset Migration Status: If you believe the migration status is incorrect (e.g., due to a failed migration), you may need to reset the migration status. This typically involves using specific SAP transactions or tools to clear the migration flags.
  Consult Documentation: Refer to the SAP documentation or notes related to the migration process for specific instructions on handling this error.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance, especially if you suspect a bug or require deeper technical intervention.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Migration Tools: Familiarize yourself with the tools and processes used for SAP system migration, such as Software Update Manager (SUM) or SAP Landscape Management.
  Logs and Traces: Review logs and traces generated during the migration process for more detailed error messages or warnings that could provide insight into the issue.
  
  By following these steps, you should be able to address the error message and proceed with your SAP system management tasks effectively.