How To Fix RT129 - &1 &3 > &2 &3 Dialog wait time exceeds threshold (&4 dialog steps)

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 129

• Message text: &1 &3 > &2 &3 Dialog wait time exceeds threshold (&4 dialog steps)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT129 - &1 &3 > &2 &3 Dialog wait time exceeds threshold (&4 dialog steps) ?

  The SAP error message RT129 indicates that a dialog process has exceeded the allowed wait time threshold for a certain number of dialog steps. This typically occurs when a user session is waiting for a response from the application server, and the wait time surpasses the configured limits.
  Cause:
  
  Long-running Processes: The dialog process may be waiting for a long-running background job or a resource that is not responding in a timely manner.
  System Performance Issues: High system load, insufficient resources (CPU, memory, I/O), or network latency can lead to delays in processing user requests.
  Lock Contention: If multiple processes are trying to access the same resource, it can lead to delays due to locking mechanisms.
  Configuration Issues: The threshold settings for dialog wait times may be set too low for the current workload.
  
  Solution:
  
  Analyze System Performance: Use transaction codes like ST03N (Workload Analysis) and ST22 (Dump Analysis) to identify performance bottlenecks. Check for long-running transactions or high CPU/memory usage.
  Check for Locks: Use transaction SM12 to check for locks that may be causing delays. If locks are found, investigate the processes holding them.
  Increase Dialog Wait Time Threshold: If the current threshold is too low for your workload, consider increasing the dialog wait time threshold in the system profile parameters (e.g., rdisp/max_wait_time).
  Optimize Long-running Processes: Review and optimize any long-running background jobs or processes that may be causing delays.
  System Resources: Ensure that the system has adequate resources (CPU, memory, etc.) to handle the current load. Consider scaling up resources if necessary.
  Network Issues: Check for any network-related issues that may be causing delays in communication between the client and the server.
  
  Related Information:
  
  Transaction Codes: 
  
  ST03N: Workload Analysis
  ST22: Dump Analysis
  SM12: Lock Entries
  SM37: Job Monitoring
  
  
  SAP Notes: Check SAP Notes related to dialog performance and wait time issues for any specific recommendations or patches.
  System Profile Parameters: Review the relevant profile parameters in the instance profile to ensure they are set appropriately for your environment.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the RT129 error message in SAP.