How To Fix /ISDFPS/PM_CP305 - ERROR; no free threads available

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/PM_CP -

• Message number: 305

• Message text: ERROR; no free threads available

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 /ISDFPS/PM_CP305 - ERROR; no free threads available ?

  The SAP error message /ISDFPS/PM_CP305 ERROR; no free threads available typically indicates that the system has run out of available threads for processing requests in the context of the SAP Integrated Business Planning (IBP) or similar applications. This can occur due to various reasons, including high system load, configuration issues, or resource limitations.
  Causes:
  
  High Load: The system may be experiencing a high volume of concurrent requests, leading to exhaustion of available threads.
  Configuration Issues: The thread pool settings may not be configured optimally for the workload.
  Resource Limitations: Insufficient system resources (CPU, memory) can lead to thread exhaustion.
  Long-Running Processes: If there are long-running processes or jobs, they may hold onto threads longer than necessary.
  Deadlocks: In some cases, deadlocks or other blocking issues can prevent threads from being released.
  
  Solutions:
  
  
  Increase Thread Pool Size: 
  
  Review and adjust the thread pool settings in the SAP system configuration. This can often be done in transaction RZ10 or RZ11, depending on the specific parameters related to thread management.
  
  
  
  Monitor System Load: 
  
  Use transaction SM37 to monitor background jobs and identify any long-running jobs that may be consuming threads.
  Use transaction SM66 to monitor active processes and check for any bottlenecks.
  
  
  
  Optimize Processes: 
  
  Review and optimize any custom code or processes that may be causing excessive thread usage.
  Ensure that processes are designed to release threads as soon as they are no longer needed.
  
  
  
  Check System Resources: 
  
  Ensure that the server has adequate CPU and memory resources. If necessary, consider scaling up the hardware or optimizing existing resource usage.
  
  
  
  Review Configuration: 
  
  Check the configuration settings for the application and ensure they are aligned with best practices for performance and resource management.
  
  
  
  Restart Services: 
  
  In some cases, restarting the affected services or the entire SAP system may help to clear up any thread-related issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on configuration settings.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools (like SAP Solution Manager) to gain insights into system performance and thread usage.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support for further assistance.