Determining if Intel Virtualization Technology or AMD Virtualization is enabled in the BIOS without rebooting


When troubleshooting VMotion, Enhanced VMotion Capability (EVC), or 64bit virtual machine performance, you may need to determine if Intel Virtualization Technology (VT) or AMD Virtualization (AMD-V) are enabled in the BIOS.
 

To determine if Intel VT or AMD-V are enabled in the BIOS:

  1. Log in as root to the ESX Service Console.
  2. Run the command:

    # esxcfg-info|grep HV

    The output indicates if can be interpreted as follows:

    0 – VT/AMD-V indicates that support is not available in this hardware.
    1 – VT/AMD-V
    indicates that VT and AMD-V might be available but they are not supported in this hardware.
    2 – VT/AMD-V indicates that VT and AMD-V are 
    available but are currently not enabled.
    3 – VT/AMD-V indicates that VT and AMD-V are enabled in the BIOS and can be used.

Full article at VMware.com

 

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About PiroNet

Didier Pironet is an independent blogger and freelancer with +15 years of IT industry experience. Didier is also a former VMware inc. employee where he specialised in Datacenter and Cloud Infrastructure products as well as Infrastructure, Operations and IT Business Management products. Didier is passionate about technologies and he is found to be a creative and a visionary thinker, expressing with passion and excitement, hopefully inspiring and enrolling people to innovation and change.
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One Response to Determining if Intel Virtualization Technology or AMD Virtualization is enabled in the BIOS without rebooting

  1. bj79 says:

    A really interesting green computer technology I found is Userful Multiplier. It’s where multiple people can use the same computer at the same time each with their own monitor, mouse and keyboard. This saves a lot of electricity and e-waste. A company called Userful recently set a virtualization world record by delivering over 350,000 virtual desktops to schools in Brazil. They have a free 2-user version for home use too. Check it out: http://www.userful.com

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