How To Fix CNV_PE_MC008 - Simulation scheduling failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_MC - Messages for Migration Cockpit context

• Message number: 008

• Message text: Simulation scheduling failed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_MC008 - Simulation scheduling failed ?

  The SAP error message CNV_PE_MC008, which indicates that "Simulation scheduling failed," typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error can arise due to various reasons, and addressing it often requires a systematic approach.
  Possible Causes:
  
  Configuration Issues: Incorrect configuration settings in the migration cockpit or related tools can lead to scheduling failures.
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) can prevent the simulation from being scheduled.
  Authorization Problems: The user executing the simulation may lack the necessary authorizations to perform the operation.
  Background Job Issues: Problems with the background job processing in SAP, such as job scheduling conflicts or failures.
  Data Issues: Inconsistencies or errors in the data being migrated can cause the simulation to fail.
  System Performance: High load on the system or performance bottlenecks can lead to scheduling failures.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the migration cockpit to ensure they are correct and complete.
  Monitor System Resources: Use transaction codes like ST02 (buffer management), ST06 (OS monitor), and SM50 (process overview) to check for resource bottlenecks.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the simulation. You can check this using transaction SU53 or by consulting with your security team.
  Check Background Jobs: Use transaction SM37 to monitor background jobs and check for any failed jobs that might be related to the simulation process.
  Data Validation: Validate the data being migrated to ensure there are no inconsistencies or errors. Use tools like transaction SE11 to check data structures.
  System Performance Tuning: If the system is under heavy load, consider scheduling the simulation during off-peak hours or optimizing system performance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error. You can search the SAP Support Portal for notes related to CNV_PE_MC008.
  Documentation: Review the official SAP documentation for the migration cockpit or the specific data migration tool you are using for any additional troubleshooting steps.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance, providing them with detailed logs and error messages for a more in-depth analysis.