How To Fix S2L004 - Time Limit in RFC exceeded

SAP Error Message - Details

• Message type: E = Error

• Message class: S2L - Production Supply: General Messages

• Message number: 004

• Message text: Time Limit in RFC exceeded

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S2L004 - Time Limit in RFC exceeded ?

  The SAP error message S2L004: Time Limit in RFC exceeded typically indicates that a Remote Function Call (RFC) has taken longer than the allowed time limit to complete. This can happen for various reasons, including network issues, performance bottlenecks, or inefficient code in the called function module.
  Causes:
  
  Network Latency: High latency in the network can cause delays in the communication between the SAP systems.
  Performance Issues: The function module being called may be taking too long to execute due to inefficient coding, large data processing, or database performance issues.
  System Load: High load on the SAP system can lead to slower processing times for RFC calls.
  Timeout Settings: The timeout settings for the RFC connection may be set too low for the operations being performed.
  Deadlocks or Locks: If the function module is trying to access locked resources, it may hang and exceed the time limit.
  
  Solutions:
  
  
  Increase Timeout Settings:
  
  You can increase the timeout settings for the RFC connection. This can be done in transaction SM59 (RFC Destinations). Look for the "Timeout" settings and adjust them as necessary.
  
  
  
  Optimize Function Module:
  
  Review the code of the function module being called. Look for any inefficiencies or long-running queries that can be optimized.
  
  
  
  Check Network Performance:
  
  Monitor the network performance between the systems involved in the RFC call. Use tools to check for latency or packet loss.
  
  
  
  System Performance Monitoring:
  
  Use transaction ST03N or ST04 to monitor system performance. Check for any performance bottlenecks or high resource usage.
  
  
  
  Review Locks and Deadlocks:
  
  Use transaction SM12 to check for locks that may be causing delays. Resolve any deadlocks or long-held locks.
  
  
  
  Batch Processing:
  
  If the function module processes a large amount of data, consider breaking it into smaller batches to reduce processing time.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  RFC Connection Types: Understand the different types of RFC connections (synchronous, asynchronous, transactional) and their implications on performance.
  Monitoring Tools: Familiarize yourself with SAP monitoring tools like ST22 (Dump Analysis), SM21 (System Log), and SLG1 (Application Log) to diagnose issues.
  SAP Basis Team: If you are unable to resolve the issue, it may be beneficial to involve your SAP Basis team, as they can provide deeper insights into system performance and configuration.
  
  By addressing the underlying causes and implementing the suggested solutions, you should be able to resolve the S2L004 error and improve the performance of your RFC calls.