How To Fix VIRT213 - SMT Mode

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 213

• Message text: SMT Mode

What causes this issue?

Denotes whether simultaneous multi-threading (SMT) is active.

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 VIRT213 - SMT Mode ?

  The SAP error message VIRT213, which relates to "SMT Mode," typically occurs in the context of SAP systems running on virtualized environments. This error can arise due to issues with the configuration of the virtual machine or the underlying hardware.
  Cause:
  
  SMT (Simultaneous Multithreading) Configuration: The error often indicates that the SMT mode is not configured correctly on the server. SMT allows multiple threads to run on a single core, which can improve performance but may need to be enabled or configured properly in the BIOS or virtualization settings.
  Virtual Machine Settings: The virtual machine may not be set up to utilize SMT effectively, or the hypervisor settings may not support SMT.
  Hardware Limitations: The physical hardware may not support SMT, or it may be disabled in the BIOS settings.
  
  Solution:
  
  
  Check BIOS Settings: 
  
  Reboot the physical server and enter the BIOS setup.
  Look for settings related to SMT or Hyper-Threading and ensure they are enabled.
  Save changes and reboot the server.
  
  
  
  Virtual Machine Configuration:
  
  If you are using a hypervisor (like VMware, Hyper-V, etc.), check the settings for the virtual machine.
  Ensure that the virtual CPU settings are configured to allow SMT. This may involve adjusting the number of virtual CPUs or cores assigned to the VM.
  
  
  
  Update Hypervisor: 
  
  Ensure that your hypervisor is up to date, as updates may include fixes or enhancements related to SMT support.
  
  
  
  SAP Notes and Documentation:
  
  Check SAP Notes for any specific guidance related to the VIRT213 error. SAP may have published notes that provide additional context or solutions for this error.
  Review the SAP documentation for your specific version to ensure compatibility with your hardware and virtualization setup.
  
  
  
  Consult with IT Support: 
  
  If you are unable to resolve the issue, consider reaching out to your IT support team or SAP support for further assistance.
  
  
  
  Related Information:
  
  Performance Considerations: Enabling SMT can improve performance for certain workloads, but it may not be beneficial for all applications. Monitor performance after making changes.
  SAP Kernel Version: Ensure that you are using a compatible SAP kernel version that supports your hardware and virtualization environment.
  Documentation: Refer to SAP's official documentation and community forums for additional insights and troubleshooting steps related to virtualization and performance issues.
  
  By following these steps, you should be able to address the VIRT213 SMT Mode error in your SAP environment.