How To Fix /PF1/MSG_GUI165 - Task &1: Communication failure for parallel process.

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_GUI -

• Message number: 165

• Message text: Task &1: Communication failure for parallel process.

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 /PF1/MSG_GUI165 - Task &1: Communication failure for parallel process. ?

  The SAP error message /PF1/MSG_GUI165 Task &1: Communication failure for parallel process typically indicates that there is a communication issue when trying to execute a parallel processing task in SAP. This can occur in various scenarios, such as when using background jobs, parallel processing in reports, or when using certain transaction codes that involve parallel execution.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the database or between different application servers.
  System Load: High system load or resource contention can lead to timeouts or failures in communication.
  Configuration Issues: Incorrect configuration of parallel processing settings in the SAP system can lead to communication failures.
  Authorization Issues: The user executing the task may not have the necessary authorizations to perform the parallel processing.
  System Errors: Bugs or errors in the SAP system or in the specific transaction being executed can also lead to this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues affecting communication between the SAP application server and the database or other servers.
  Monitor System Performance: Use transaction codes like ST03N or ST06 to monitor system performance and check for high load or resource contention.
  Review Parallel Processing Configuration: Check the configuration settings for parallel processing in the SAP system. This can include settings in transaction RZ10 or RZ11.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the parallel processing task. This can be checked using transaction SU53 or SUIM.
  Review System Logs: Check the system logs (transaction SM21) and short dumps (transaction ST22) for any related errors that might provide more context on the issue.
  Restart the Job: If the error occurred during a background job, try restarting the job to see if the issue persists.
  Contact SAP Support: If the issue continues, consider reaching out to SAP support for further assistance, especially if it appears to be a bug or a more complex issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (to monitor background jobs), ST22 (to check for dumps), and SM21 (to view system logs).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates.
  Documentation: Review SAP documentation related to parallel processing and background job management for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the communication failure error in SAP.