How To Fix RY604 - Parallel processing: All available servers are overloaded

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 604

• Message text: Parallel processing: All available servers are overloaded

What causes this issue?

None of the application servers in server group &V1& has the minimum
number of free dialog processors.

System Response

Processing terminated.

How to fix this error?

If need be, start the evaluation without parallel processing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY604 - Parallel processing: All available servers are overloaded ?

  The SAP error message RY604, which states "Parallel processing: All available servers are overloaded," typically occurs when the system is attempting to execute parallel processing tasks, but all available application servers are currently overloaded and unable to handle additional requests. This can happen in various scenarios, such as during batch processing, report execution, or when multiple users are trying to access the system simultaneously.
  Causes:
  
  High Load on Application Servers: The application servers may be experiencing high CPU or memory usage due to a large number of concurrent users or resource-intensive processes.
  Insufficient Resources: The hardware resources (CPU, memory, etc.) allocated to the SAP application servers may be insufficient to handle the current workload.
  Configuration Issues: The configuration settings for parallel processing may not be optimized, leading to inefficient resource utilization.
  Long-Running Processes: There may be long-running background jobs or transactions that are consuming resources and preventing new requests from being processed.
  Network Issues: Network latency or issues can also contribute to the perception of overload if requests are not being processed in a timely manner.
  
  Solutions:
  
  Monitor System Performance: Use transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze system performance and identify bottlenecks.
  Increase Resources: If the application servers are consistently overloaded, consider scaling up the hardware resources (CPU, memory) or adding additional application servers to distribute the load.
  Optimize Background Jobs: Review and optimize background jobs to ensure they are not running during peak hours or are scheduled to run in a more efficient manner.
  Adjust Parallel Processing Settings: Check and adjust the settings for parallel processing in transaction RZ10 or RZ11 to ensure they are configured correctly for your environment.
  Load Balancing: Ensure that load balancing is properly configured to distribute requests evenly across available application servers.
  Review Long-Running Transactions: Identify and optimize any long-running transactions that may be consuming excessive resources.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RY604 for any specific patches or recommendations from SAP.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  System Logs: Review system logs (transaction SM21) for any errors or warnings that may provide additional context for the overload situation.
  Performance Tuning: Consider conducting a performance tuning exercise to identify and resolve any underlying issues affecting system performance.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the occurrence of the RY604 error and improve the overall performance of your SAP system.