Dear Sirs,
I would be gratefull if you can help me with this error that I am trying to solve since this morning.
When I start a virtual machine, in my case I am starting the Windows Server 2019 one, it shows me a critical error alert.
Could you please help me?
Thank you in advance
Moussa
Guru Meditation Error
Guru Meditation Error
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- Site Moderator
- Posts: 20945
- Joined: 30. Dec 2009, 20:14
- Primary OS: MS Windows 10
- VBox Version: PUEL
- Guest OSses: Windows, Linux
Re: Guru Meditation Error
Hyper-V is enabled and needs to be disabled. See HMR3Init: Attempting fall back to NEM (Hyper-V is active)
Additionally, the 2019 VM template may have a bug. Server 2019 will run in the 2016 template. Use the VM's General settings to change the Basic tab, Version dropdown to 'Windows 2016 64-bit'. Also check that the VM's System settings, Acceleration, Paravirtualization Interface says 'Hyper-V'. This is a comm channel provided by modern virtualization-aware OS's to talk to the hypervisor they're running on and is not the Hyper-V that blocks Virtualbox.
Also, another processor in the VM will probably help typical operation, and you have room:
Additionally, the 2019 VM template may have a bug. Server 2019 will run in the 2016 template. Use the VM's General settings to change the Basic tab, Version dropdown to 'Windows 2016 64-bit'. Also check that the VM's System settings, Acceleration, Paravirtualization Interface says 'Hyper-V'. This is a comm channel provided by modern virtualization-aware OS's to talk to the hypervisor they're running on and is not the Hyper-V that blocks Virtualbox.
Also, another processor in the VM will probably help typical operation, and you have room:
But don't put more than two unless and until you put extra parallel-processing software in the VM that can fill up the extra processors. Server 2019 is Windows 10 on server steroids, and loves 2 processors.Host CPU status:
00:00:02.787794 CPUM: Logical host processors: 16 present, 16 max, 16 online, online mask: 000000000000ffff
00:00:02.787794 CPUM: Physical host cores: 8
00:00:02.788089 Full Name: "AMD Ryzen 7 3800X 8-Core Processor "
Guest CPU settings:
00:00:02.076269 NumCPUs <integer> = 0x0000000000000001 (1)
Re: Guru Meditation Error
It works. Thank you so much, I appreciate. Forum's moderators are heroes.