How To Fix RSMIGR255 - First parallel execution

SAP Error Message - Details

• Message type: E = Error

• Message class: RSMIGR - Messages during migration

• Message number: 255

• Message text: First parallel execution

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 RSMIGR255 - First parallel execution ?

  The SAP error message RSMIGR255, which states "First parallel execution," typically occurs during data migration processes, particularly when using the SAP Migration Cockpit or similar tools. This error indicates that the system is attempting to execute a migration task in parallel, but it has not been properly configured to do so.
  Cause:
  
  Configuration Issues: The system may not be set up to allow parallel execution of migration tasks. This can happen if the necessary settings or parameters are not correctly defined in the migration cockpit or the related configuration.
  Resource Limitations: The system may not have enough resources (like memory or processing power) to handle parallel execution.
  Locking Mechanisms: There may be existing locks on the database or other resources that prevent parallel execution from occurring.
  
  Solution:
  
  Check Configuration: Review the configuration settings in the SAP Migration Cockpit. Ensure that parallel execution is enabled and that the necessary parameters are set correctly.
  Adjust Parallel Processing Settings: If applicable, adjust the settings for parallel processing in the migration tool. This may involve increasing the number of parallel processes allowed or adjusting other related parameters.
  Resource Allocation: Ensure that the system has sufficient resources to handle parallel execution. This may involve increasing memory, CPU allocation, or optimizing the database.
  Review Locks: Check for any locks on the database or other resources that may be preventing parallel execution. Resolve any issues related to locks before attempting the migration again.
  Consult Documentation: Refer to the official SAP documentation for the specific migration tool you are using. There may be additional steps or considerations specific to your version or scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into configuration and best practices for parallel execution.
  Community Forums: Consider searching or posting in SAP community forums or support channels, as other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.