How To Fix RT773 - Number of ITS-Sessions

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 773

• Message text: Number of ITS-Sessions

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT773 - Number of ITS-Sessions ?

  The SAP error message RT773, which pertains to the "Number of ITS-Sessions," typically occurs when the number of active Internet Transaction Server (ITS) sessions exceeds the configured limit. This can happen in environments where many users are accessing the system simultaneously, leading to resource constraints.
  Cause:
  
  Session Limit Exceeded: The maximum number of allowed ITS sessions has been reached. This limit is set in the configuration of the ITS.
  Configuration Settings: The settings for the maximum number of sessions may be too low for the current usage patterns.
  Session Leaks: Sessions may not be properly terminated, leading to a buildup of active sessions over time.
  High User Load: A sudden spike in user activity can lead to the session limit being reached.
  
  Solution:
  
  
  Increase Session Limit:
  
  You can increase the maximum number of ITS sessions by adjusting the configuration settings in the ITS profile. This is typically done in the instance profile or default profile of the ITS.
  Look for parameters like max_sessions or similar in the configuration files and increase their values.
  
  
  
  Monitor and Manage Sessions:
  
  Regularly monitor the number of active sessions and user activity to better understand usage patterns.
  Implement session timeout settings to automatically terminate inactive sessions, freeing up resources.
  
  
  
  Optimize Application:
  
  Review the application logic to ensure that sessions are being properly closed when no longer needed.
  Consider optimizing the application to reduce the number of concurrent sessions required.
  
  
  
  Load Balancing:
  
  If applicable, consider implementing load balancing to distribute user requests across multiple ITS instances, which can help manage session limits more effectively.
  
  
  
  User Education:
  
  Educate users on proper session management, such as logging out when finished, to help reduce the number of open sessions.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to ITS session management for specific guidance and best practices.
  Documentation: Refer to the official SAP documentation for detailed instructions on configuring ITS and managing sessions.
  Performance Monitoring Tools: Utilize SAP performance monitoring tools to track session usage and identify potential bottlenecks.
  
  By addressing the session limit and ensuring proper session management, you can mitigate the occurrence of the RT773 error and improve the overall performance of your SAP ITS environment.