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VMWare Fusion Is not working with Big Sur

Joined
Jun 8, 2015
Messages
73
Motherboard
Gigabyte GA-Z97X-Gaming 3
CPU
i5-4690K
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RX 580
Mac
  1. MacBook Air
Classic Mac
  1. iMac
  2. PowerBook
Mobile Phone
  1. Android
One issue I encountered is that VMWare Fusion won't launch my virtual machines. It's saying:

"VMware Fusion does not support nested virtualization on this host.

Module 'MonitorMode' power on failed.
Failed to start the virtual machine"
 

Jamesbond007

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Z390 Designare
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One issue I encountered is that VMWare Fusion won't launch my virtual machines. It's saying:

"VMware Fusion does not support nested virtualization on this host.

Module 'MonitorMode' power on failed.
Failed to start the virtual machine"

To run VMware Fusion on Big Sur you may need the next version, which is currently available as a tech preview :
 
Joined
Jul 13, 2016
Messages
2,753
Motherboard
Gigabyte Z370 Gaming 5
CPU
I9 9900k
Graphics
Vega 64
Mac
  1. Mac mini
  2. Mac Pro
Mobile Phone
  1. iOS
One issue I encountered is that VMWare Fusion won't launch my virtual machines. It's saying:

"VMware Fusion does not support nested virtualization on this host.

Module 'MonitorMode' power on failed.
Failed to start the virtual machine"

Per Jamesbond link:

With such big changes under the hood, there are of course some known issues that we’re working on, both with our code as well as filing issues with Apple directly.

  • Nested VMs are not currently supported.
 
Joined
Jul 13, 2016
Messages
2,753
Motherboard
Gigabyte Z370 Gaming 5
CPU
I9 9900k
Graphics
Vega 64
Mac
  1. Mac mini
  2. Mac Pro
Mobile Phone
  1. iOS
One issue I encountered is that VMWare Fusion won't launch my virtual machines. It's saying:

"VMware Fusion does not support nested virtualization on this host.

Module 'MonitorMode' power on failed.
Failed to start the virtual machine"

Parallels released a version today that is ready for Big Sur... Maybe you could try that.
 
Joined
Jun 8, 2015
Messages
73
Motherboard
Gigabyte GA-Z97X-Gaming 3
CPU
i5-4690K
Graphics
RX 580
Mac
  1. MacBook Air
Classic Mac
  1. iMac
  2. PowerBook
Mobile Phone
  1. Android
VMware support was able to help resolve this issue. Using the tech preview, in the VM's settings > Processors & Memory, I needed to uncheck "Enable hypervisor applications in this virtual machine" under "Advanced options".
 
Joined
Aug 22, 2015
Messages
71
Motherboard
ASUS TUF H370-PRO GAMING WIFI
CPU
i5-8400
Graphics
UHD 630
Mobile Phone
  1. iOS
I try and create a windows VM and the instant I try to start it up it brings up an error "Failed to power on" with the path of the virtual machine. Pretty much the same thing happens in parallels so I'm wondering if its caused by a BIOS setting maybe?
 
Joined
Aug 22, 2015
Messages
71
Motherboard
ASUS TUF H370-PRO GAMING WIFI
CPU
i5-8400
Graphics
UHD 630
Mobile Phone
  1. iOS
I try and create a windows VM and the instant I try to start it up it brings up an error "Failed to power on" with the path of the virtual machine. Pretty much the same thing happens in parallels so I'm wondering if its caused by a BIOS setting maybe?

I had virtualisation turned off in BIOS, all fixed now :crazy:
 
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