How To Fix /PF1/MSG_EH339 - Missing alternative server for segment &1; stop parallel processing

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/MSG_EH -

• Message number: 339

• Message text: Missing alternative server for segment &1; stop parallel processing

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 /PF1/MSG_EH339 - Missing alternative server for segment &1; stop parallel processing ?

  The SAP error message /PF1/MSG_EH339 Missing alternative server for segment &1; stop parallel processing typically occurs in the context of parallel processing in SAP, particularly when using the SAP Process Integration (PI) or Process Orchestration (PO) systems. This error indicates that the system is unable to find an alternative server to handle a specific segment of a process, which leads to the termination of parallel processing.
  Cause:
  
  
  Missing Configuration: The error often arises when there is a missing or incorrect configuration for the server that is supposed to handle the specific segment. This could be due to a misconfiguration in the server settings or the absence of a defined alternative server.
  
  
  Network Issues: There may be network connectivity issues preventing the system from reaching the designated server.
  
  
  Resource Limitations: The server may be overloaded or down, leading to the inability to process requests.
  
  
  System Settings: The system settings for parallel processing may not be correctly defined, leading to the inability to find an alternative server.
  
  
  Solution:
  
  
  Check Server Configuration: Verify the configuration of the servers involved in the processing. Ensure that the alternative server for the specified segment is correctly defined in the system settings.
  
  
  Review Parallel Processing Settings: Check the settings for parallel processing in the relevant transaction or configuration area. Ensure that the system is set up to allow for alternative servers.
  
  
  Monitor Server Status: Use transaction codes like SM51 (to check the status of application servers) or SM37 (to monitor job status) to ensure that the servers are up and running and not overloaded.
  
  
  Network Connectivity: Ensure that there are no network issues preventing communication between the servers. Check firewall settings, network routes, and server availability.
  
  
  Consult Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM51 (to check server status), SM37 (to monitor jobs), and SLG1 (to view logs).
  Documentation: Review SAP documentation related to parallel processing and server configuration for more detailed guidance.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the error message related to missing alternative servers in SAP.