How To Fix /PF1/MSG_EH_P309 - Error during communication for parallel process

/PF1/MSG_EH_P309 - Overview

• Message type: E = Error

• Message class: /PF1/MSG_EH_P -

• Message number: 309

• Message text: Error during communication 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.

What else can you do?

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/MSG_EH_P309 - Error during communication for parallel process ?

  The SAP error message /PF1/MSG_EH_P309 typically indicates an issue related to communication during a parallel processing operation. This error can occur in various contexts, such as when executing background jobs, parallel processing tasks, or when using certain SAP applications that involve multiple processes running simultaneously.
  Causes:
  
  Network Issues: There may be network connectivity problems between the application server and the database or between different application servers.
  Resource Limitations: The system may be running out of resources (e.g., memory, CPU) to handle the parallel processes.
  
  Configuration Issues: Incorrect configuration settings for parallel processing in the SAP system can lead to communication errors.
  Lock Contention: If multiple processes are trying to access the same resource simultaneously, it can lead to contention and communication failures.
  System Bugs: There may be bugs in the SAP system or specific transactions that lead to this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues affecting communication between servers. You can use