/CFG/TR_PAR038 - Error in REL TRANSPORT parallelization START_THREAD, communication fail

SAP Error Message - Details

• Message type: E = Error

• Message class: /CFG/TR_PAR -

• Message number: 038

• Message text: Error in REL TRANSPORT parallelization START_THREAD, communication fail

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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AnswerBot

• What is the cause and solution for SAP error message /CFG/TR_PAR038 - Error in REL TRANSPORT parallelization START_THREAD, communication fail ?

  The SAP error message /CFG/TR_PAR038 Error in REL TRANSPORT parallelization START_THREAD, communication fail typically indicates an issue with the parallel transport process in the SAP system. This error can occur during the transport of requests when the system is unable to establish communication between the transport processes.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the transport directory or between different application servers.
  Transport Directory Configuration: Incorrect configuration of the transport directory or transport routes can lead to communication failures.
  Transport Management System (TMS) Issues: Problems with the TMS configuration or inconsistencies in the transport landscape can cause this error.
  Resource Limitations: Insufficient system resources (CPU, memory) can lead to failures in starting parallel transport threads.
  Locks or Deadlocks: If there are locks on transport requests or deadlocks in the system, it may prevent the transport process from starting.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the servers involved in the transport process. You can use tools like ping or traceroute to diagnose connectivity.
  Review Transport Directory Configuration: Verify that the transport directory is correctly configured in the TMS. Check the transport routes and ensure they are set up properly.
  TMS Configuration: Use transaction STMS to check the transport management system configuration. Ensure that all systems in the landscape are correctly defined and that there are no inconsistencies.
  Monitor System Resources: Check the system resources (CPU, memory, etc.) to ensure that the system is not overloaded. You can use transaction SM50 or SM66 to monitor active processes.
  Check for Locks: Use transaction SM12 to check for any locks on transport requests. If there are locks, you may need to release them.
  Review Logs: Check the transport logs for more detailed error messages. You can find logs in the transport directory or by using transaction STMS and navigating to the transport logs.
  Restart Transport Processes: If the issue persists, consider restarting the transport processes or the SAP system itself to clear any temporary issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. You can search the SAP Support Portal for notes related to transport issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation on Transport Management System (TMS) for best practices and troubleshooting steps.
  
  If the problem continues after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.