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How To Fix VIRT105 - Maximum of Memory Available for Virtual Server (Limit)


SAP Error Message - Details

  • Message type: E = Error

  • Message class: VIRT - Virtualization Monitoring

  • Message number: 105

  • Message text: Maximum of Memory Available for Virtual Server (Limit)

  • Show details Hide details
  • What causes this issue?

    The maximum amount of memory that may be consumed by the virtual system.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message VIRT105 - Maximum of Memory Available for Virtual Server (Limit) ?

    The SAP error message VIRT105 indicates that the maximum memory limit for a virtual server has been reached. This typically occurs in environments where SAP applications are running on virtual machines (VMs) and the allocated memory for the VM is insufficient to handle the workload.

    Cause:

    1. Memory Limit Reached: The virtual server has hit its configured memory limit, which can happen due to high workload, inefficient memory usage, or insufficient initial memory allocation.
    2. Configuration Issues: The virtual machine may not be configured with enough memory to support the SAP application and its processes.
    3. Resource Contention: Other applications or services running on the same physical host may be consuming memory resources, leading to insufficient memory availability for the SAP instance.
    4. Memory Leaks: There may be memory leaks in the application or in the underlying operating system, causing the memory to be consumed without being released.

    Solution:

    1. Increase Memory Allocation:

      • Review the current memory allocation for the virtual server and increase it if necessary. This can be done through the virtualization management console (e.g., VMware vSphere, Microsoft Hyper-V).
    2. Optimize SAP Configuration:

      • Review and optimize the SAP instance profile parameters related to memory usage (e.g., abap/heap_area_total, abap/heap_area_dia, etc.) to ensure efficient memory utilization.
    3. Monitor Memory Usage:

      • Use monitoring tools to analyze memory usage patterns and identify any processes that are consuming excessive memory. Tools like SAP Solution Manager or third-party monitoring solutions can be helpful.
    4. Check for Memory Leaks:

      • Investigate the application and system for potential memory leaks. This may involve analyzing dumps or logs to identify problematic areas in the code or configuration.
    5. Resource Management:

      • If the virtual server is part of a larger environment, ensure that resource allocation is balanced and that other applications are not consuming excessive memory. Consider using resource pools or limits to manage memory allocation effectively.
    6. Restart the SAP Instance:

      • In some cases, a temporary solution may involve restarting the SAP instance to clear memory usage, but this should be a last resort and not a permanent fix.

    Related Information:

    • SAP Notes: Check SAP Notes related to memory management and performance tuning for specific guidance on your version of SAP.
    • Documentation: Review the SAP Basis Administration Guide for best practices on memory management and configuration.
    • Virtualization Best Practices: Consult the documentation for your virtualization platform for best practices on configuring memory for virtual machines.

    By addressing the memory allocation and usage issues, you should be able to resolve the VIRT105 error and improve the performance of your SAP application.

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