Solved – VT-x Is Not Available (VERR_VMX_NO_VMX)

What Causes VT-x Is Not Available (VERR_VMX-NO-VMX)?

When you are trying to open any virtual machines using VirtualBox or other similar software, you may encounter the error that vt-x is not available (verr_vmx_no_vmx). In general, the error that vt-x is not available may be caused by various reasons. In the following part, we will list some.

• Vt-x is not enabled in the BIOS settings.
• The machine’s CPU does not support vt-x.
• Hyper-V virtualization is enabled in Windows.
• Core location is enabled.

So, in the following section, we will show you how to fix the error that vt-x is not available.

How to Fix VT-x Is Not Available (VERR_VMX_NO_VMX)?

In this section, we will walk you through how to solve the error that verr_vmx_no_vmx vt x is not available.

Way 1. Disable Hyper-V Virtualization

In order to fix the error that vt-x is not available (verr_vmx_no_vmx), you can choose to disable Hyper-V virtualization.

Now, here is the tutorial.

1. Type Command Prompt in the search box of Windows and choose the best-matched one.
2. Then right-click it to choose Run as administrator.
3. In the pop-up window, type the command exe /Online /Disable-Feature:Microsoft-Hyper-V and hit Enter to continue.

When the process is finished, close the command line window and reboot your computer. Then open the virtual machine again to check whether the error that vt-x is not available (verr_vmx_no_vmx) is solved.

If this solution is not effective, try other solutions.

Way 2. Disable Core Isolation from Windows Defender

In order to fix the error that verr_vmx_no vmx vt x is not available, you can also choose to disable core isolation from Windows Defender.

Now, here is the tutorial.

1. Press Windows key and I key together to open Settings.
2. In the pop-up window, choose Update & Security to continue.
3. Then choose Open Windows Security to continue.
4. On the right panel, choose Device Security to continue.
5. In the pop-up window, click Core isolation details.
6. Then change toggle under Memory integrity to Off.

After that, reboot your computer and check the error that vt-x is not available is solved.

Way 3. Enable VT-X from BIOS Settings

If the Virtualization Technology is disabled from the BIOS settings, you can also get the error that vt-x is not available (verr_vmx_no_vmx). Thus, you can choose to enable vt-x from BIOS settings.

Now, here is the tutorial.

1. Boot your computer. Once the Windows logo appears, press the setup continuously to enter BIOS.
2. After entering the BIOS, navigate to the Security tab and scroll down to System Security.
3. Then check whether Virtualization Technology or VTx/VTd is listed here and whether it is enabled.
4. If no, change its status to enabled.

After all steps are finished, reboot your computer to check whether the error that vt-x is not available (verr_vmx_no_vmx) is solved.

Final Words

To sum up, this post has introduced 3 ways to fix the error that vt-x is not available. If you have encountered the same error, try these ways. If you have any better solution to fix the error that verr_vmx_no_vmx vt x is not available, you can share it in the comment zone.