How To Fix ITS129 - Total quota non paged pool usage of all AGate processes of this host

SAP Error Message - Details

• Message type: E = Error

• Message class: ITS - Messages for Agent-Based ITS Monitor

• Message number: 129

• Message text: Total quota non paged pool usage of all AGate processes of this host

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ITS129 - Total quota non paged pool usage of all AGate processes of this host ?

  The SAP error message ITS129 indicates that the total quota for non-paged pool usage by all AGate processes on a host has been exceeded. This is typically related to memory management in the Windows operating system, particularly in environments where SAP Internet Transaction Server (ITS) is running.
  Cause:
  
  Memory Limitations: The non-paged pool is a portion of memory that cannot be paged to disk. It is used by the operating system and drivers for critical data structures. If the total usage of this pool exceeds the configured limits, it can lead to this error.
  High Load: A high number of concurrent users or transactions can increase the memory usage of AGate processes, leading to exhaustion of the non-paged pool.
  Memory Leaks: There may be memory leaks in the AGate processes or other components that are consuming more memory than expected.
  Configuration Issues: The system may not be optimally configured for the workload it is handling, leading to inefficient memory usage.
  
  Solution:
  
  
  Increase Non-Paged Pool Size:
  
  You can increase the non-paged pool size by modifying the Windows registry. This involves changing the NonPagedPoolSize value in the registry. However, this should be done with caution and ideally under the guidance of a system administrator or SAP Basis consultant.
  The registry path is usually: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management.
  After making changes, a system reboot is required for them to take effect.
  
  
  
  Optimize AGate Configuration:
  
  Review and optimize the configuration of the AGate processes. This may include adjusting parameters related to memory usage and the number of concurrent processes.
  Ensure that the AGate processes are not set to spawn more instances than necessary.
  
  
  
  Monitor and Analyze Memory Usage:
  
  Use monitoring tools to analyze memory usage patterns and identify any potential memory leaks or processes that are consuming excessive memory.
  Tools like Windows Performance Monitor can help track non-paged pool usage over time.
  
  
  
  Update Software:
  
  Ensure that you are running the latest version of SAP and its components, as updates may include performance improvements and bug fixes related to memory management.
  
  
  
  Reduce Load:
  
  If possible, reduce the number of concurrent users or transactions to alleviate pressure on the AGate processes.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or Knowledge Base Articles that may provide additional guidance or solutions specific to your version of SAP.
  
  
  
  Related Information:
  
  Windows Memory Management: Understanding how Windows manages memory, particularly the non-paged pool, can provide insights into how to optimize your system.
  SAP Basis Administration: Familiarity with SAP Basis administration tasks can help in configuring and managing the SAP environment effectively.
  Performance Tuning: Regular performance tuning and monitoring can help prevent such issues from arising in the future.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.