How To Fix GW635 - Partner program fork failed

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 635

• Message text: Partner program fork failed

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 GW635 - Partner program fork failed ?

  The SAP error message GW635, which states "Partner program fork failed," typically occurs in the context of SAP Gateway or when dealing with external services and communication. This error indicates that the SAP system was unable to create a new process (fork) for handling a request to an external partner program. Here are some potential causes, solutions, and related information:
  Causes:
  
  Resource Limitations: The system may be hitting limits on the number of processes that can be created. This can happen if there are too many concurrent requests or if the system is under heavy load.
  Configuration Issues: Incorrect configuration settings in the SAP Gateway or the partner program can lead to this error.
  Permissions: The user or service account running the SAP Gateway may not have the necessary permissions to execute the partner program.
  System Environment: Issues with the underlying operating system or environment (e.g., memory issues, process limits) can prevent the forking of new processes.
  Program Errors: The partner program itself may have bugs or issues that prevent it from being executed properly.
  
  Solutions:
  
  Check System Resources: Monitor the system's resource usage (CPU, memory, and process limits) to ensure that it is not overloaded. You may need to increase the limits or optimize the workload.
  Review Configuration: Verify the configuration settings for the SAP Gateway and the partner program. Ensure that all parameters are set correctly.
  Permissions Check: Ensure that the user or service account has the necessary permissions to execute the partner program. This may involve checking user roles and authorizations.
  Error Logs: Check the SAP Gateway logs and the logs of the partner program for any error messages that could provide more context about the failure.
  Test the Partner Program: Run the partner program independently (outside of SAP) to see if it executes without issues. This can help identify if the problem lies within the program itself.
  Restart Services: Sometimes, simply restarting the SAP Gateway or the entire SAP system can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the GW635 error. SAP frequently updates its knowledge base with solutions for common problems.
  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 for the Gateway and the specific partner program to ensure that all requirements and configurations are met.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further investigation.