How To Fix 00635 - Partner program fork unsuccessful

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 635

• Message text: Partner program fork unsuccessful

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 00635 - Partner program fork unsuccessful ?

  The SAP error message "00635 Partner program fork unsuccessful" typically occurs when there is an issue with the communication between the SAP application server and the partner program (which could be an external program or service). This error can arise due to various reasons, including configuration issues, resource limitations, or problems with the partner program itself.
  Causes:
  
  Resource Limitations: The SAP system may not have enough resources (like memory or CPU) to fork a new process for the partner program.
  Configuration Issues: Incorrect configuration settings in the SAP system or the partner program can lead to this error.
  Path Issues: The path to the partner program may be incorrect or the program may not be executable.
  Permissions: The user under which the SAP system is running may not have the necessary permissions to execute the partner program.
  Program Errors: The partner program itself may have bugs or issues that prevent it from starting correctly.
  
  Solutions:
  
  Check System Resources: Monitor the system resources (CPU, memory) to ensure that there are enough available resources for the SAP system to fork new processes.
  Verify Configuration: Review the configuration settings for the partner program in the SAP system. Ensure that all parameters are set correctly.
  Check Program Path: Ensure that the path to the partner program is correct and that the program is executable. You can test this by trying to run the program manually from the command line.
  Review Permissions: Check the permissions of the partner program and ensure that the SAP user has the necessary rights to execute it.
  Debug the Partner Program: If the partner program is custom or third-party, check its logs for any errors that might indicate why it is failing to start.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches or updates.
  
  Related Information:
  
  SAP Basis Team: Involve your SAP Basis team to help diagnose and resolve system-level issues.
  Logs: Check the SAP system logs (transaction SM21) and the developer traces (transaction ST11) for more detailed error messages that can provide additional context.
  Transaction Codes: Use transaction codes like SM37 (to check job logs) and SM50 (to monitor active processes) to gather more information about the state of the system when the error occurs.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.