Questions tagged [virtualization]

Virtualization is the process of using software to emulate an entire computer, in which "guest" operating systems can run.

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Why Does Windows Virtualization Stop Working?

I have a Sony Vaio laptop running Windows 10 21H1, and I've been running a Debian guest on VirtualBox since 2016 without incident. Last Saturday, I attempted to start the guest, and VBx failed with a ...
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How to enable Hyper-V in a windows guest?

I have a Windows guest OS installed under QEMU kvm (host is Linux), the system works fine, but Both task manager and systeminfo showed that Hyper-V is supported but disabled in firmware, how can I ...
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Hyper-V machine sometimes gets stuck when enabling wsl2 (nested virtualization enabled)

I have a machine running a windows 11 VM with nested virtualization enabled. when enabling wsl2 features and restarting the VM sometimes "halts" in the reboot process. seemingly for no ...
Yorai Levi's user avatar
4 votes
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Some Virtual Machines can't co-exist with WSL

Some of my virtual machines in VMWare (Windows guests) only work when 'Virtual machine platform' is disabled in 'Optional windows features' This in turn breaks WSL Anyone else encountered this. This ...
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VirtualBox guest doesn't boot up. I only get a black screen

I have a problem with my Virtual box. When I try to start a guest OS, it doesn't start and I get a black screen. I tried to disable Hardware Virtualization an 3D acelaration but the only thing that ...
ar1234a's user avatar
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How to turn off Hyper-V on Windows Home?

I'm using Windows 11 Home and had installed WSL. Apparently wsl2 uses hyper-v so that's causing problems when I want to run VMs. I'm not sure how to turn hyper-v off though. Since I'm using Home, ...
nobody's user avatar
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How to access files / directories in disk image that are locked with old permissions?

I just recently upgraded an older desk top Windows computer with a new motherboard, CPU and DIMM memory sticks. The upgrade is meant to still use the same SATA drives a before. Prior to starting the ...
Michael Karas's user avatar
2 votes
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Why qemu can't detect a WHPX (Hyper-V) accelerator?

I've been messing around with qemu on Windows 10. I found HAXM as a slow accelerator (for me has the same performance as TCG) and I want a better experience. I found that qemu supports WHPX, using -M ...
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How to lock and unlock VMware or VirtualBox VMs with a fingerprint device?

Is it possible to lock and unlock VMs in VirtualBox or VMware using a fingerprint device in Linux? I know that VMware's latest versions supports virtual TPM, but i want to encrypt and unlock the ...
OneAndOnly's user avatar
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Enabling SSSE3 flag on a VM running on KVM

How do I forward the SSSE3 flag from my host server to VM while using KVM? I tried the following. My QEMU version is qemu-kvm-1.5.3. My host server has the SSSE3 flag enabled (output cut for brevity): ...
asm_nerd1's user avatar
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Ping Linux virtual machine from Win10 host

I started the Linux virtual machine via VMWare on Win 10 host. In VMWare Network settings I chose host-only. After pinging the VM from the host I received answer "Request timed out". How can ...
zagortenej's user avatar
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How can I transfer data from a virtualbox .vhd to a physical harddrive?

I have a virtual machine (Arch Linux) on a Windows 10 Host. The virtual hard drive is stored in a .vhd file. I have a desktop that is currently Windows but I'm going to dual boot with the main ...
Pickinanameainteasy's user avatar
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Is there any way I can use interface created in virtual machine on my host machine

So basically I use gentoo on my host machine, and I have windows 10 virtual machine, in which I created virtual network (using RadminVPN). And what I want to do is to make my host machine use this ...
Dolidod Teethtard's user avatar
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Sawtooth Software installation error indicates I have the wrong processor achitecture. My Windows device specifications indicates the opposite

I am running Parallels Desktop on a MacBook Pro (Big Sur 11.5.2) with an Apple M1 chip. I’m trying to install Lighthouse Studio from Sawtooth Software, but it gives me an error message in which it ...
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ping dns works but nslookup fails?

I have an issue with DNS in my current lab environment, this happened after a snapshot recovery on the DC image : Following Screen shows that i can ping google.com but nslookup google.com fails, i ...
Segfault's user avatar
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Virtualization Plus Dual Boot

tl;dr Is it possible to run a Linux as a VM guest on top of Windows, where the Linux and Windows are dual-boot (grub) "siblings" so to say? Why? Sorry if this seems unnecessarily hairy. ...
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Hypervisor detected. Unable to uninstall Hyper-V on Windows 11 (Windows Surface Pro+)

I have purchased a new Microsoft Windows Surface Pro 5+. Windows was pre-installed. I noticed that a 3rd party tool output a warning that my license it not valid for terminals. The developers told me ...
SkyCaver's user avatar
5 votes
1 answer
2k views

Does it matter if I set a weak password for WSL?

I have a Windows operating system with Windows Hello PIN setup for login. I also have installed WSL2 with Ubuntu 20.04 LTS. I don't run SSH server under WSL. However, Windows (so WSL as well) is ...
Some Nerd's user avatar
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531 views

`vboxmanage list hostonlyifs` creates host-only interfaces

If I run vboxmanage list hostonlyifs in my shell, I get the following output: $ vboxmanage list hostonlyifs Name: vboxnet0 GUID: 786f6276-656e-4074-8000-0a0027000000 DHCP: ...
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Is it possible to use paravirtualization to share a GPU with a Windows guest to enable gaming on Linux?

My objective is to run games on Linux, maximising compatibility by using a real virtualized instance of Windows (e.g. VR, day 1 game launches, things like that). I understand that you can use PCIe ...
David Alsh's user avatar
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Cannot create virtual switch Hyper-V (0x80041002)

I had a situation where a VM in Hyper-V on Win 10 Pro (build 19043.1415) wouldn´t stop and the first thing I did was stopping various services related to Hyper-V. After that I rebooted the host, and ...
Corey Hart's user avatar
1 vote
1 answer
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I disabled Hyper-V with Bluestacks 5 emulator, Now I cant use it even after turning it on

I downloaded the latest Bluestacks v5. It prompted me to turn Hyper-V off, and it gave a official support link. I downloaded the HD-DisableHyperV_native_v2.exe (custom exe file to disable hyper-v by ...
UnityGameDev99999's user avatar
1 vote
1 answer
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WSL2 does not start after spacedesk installation

It seems to be an issue with spacedesk that after installation WSL2 does not start anymore throwing an error "Please enable the Virtual Machine Platform Windows feature and ensure virtualization ...
undefinedman's user avatar
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coreinfo says processor does not support VMX when it actually does [duplicate]

Output from coreinfo64: Coreinfo v3.52 - Dump information on system CPU and memory topology Copyright (C) 2008-2021 Mark Russinovich Sysinternals - www.sysinternals.com Intel(R) Core(TM) i5-6200U CPU ...
abhate's user avatar
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2 votes
1 answer
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Windows 10 license valid for Windows 11?

I have virtualized Windows 11 ARM using parallels. I have registered it using a valid and original Windows 10 professional license but message activate windows is displayed at the bottom right corner. ...
Willy's user avatar
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ISO vs Virtual Disk (qcow2, vhd etc.)

What are the actual technical differences apart from ISO being read only and their purposes? Can I convert an ISO image to a virtual disk (Ex: qcow2) without changing its content? If that is possible ...
Iresh Dissanayaka's user avatar
3 votes
0 answers
3k views

Virtual Machine Platform turned on but Windows Subsystem for Android not working

I want to use Windows Subsystem for Android on Windows 11. I encountered a problem while following the article in the link step by step. When I try to open an app (in Amazon Store or files app in wsa ...
TuranBerlin's user avatar
1 vote
1 answer
6k views

How can I copy and paste in and out of a Gnome Boxes VM?

This is specifically for Gnome Boxes virtualization manager and a redhat VM. On this page, it mentions a feature called "Share Clipboard" but Boxes doesn't have any settings that I can see ...
idonteven's user avatar
2 votes
1 answer
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Virtualization disabled on Windows10, enabled in BIOS

My Windows 10 claims that virtualization is disabled in firmware, even though I have it enabled in BIOS, checked that my CPU supports it and restarted my machine several times to check whether it ...
FanaticD's user avatar
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Boot virtual Windows 10 KVM from physical machine

I have a Windows 10 QEMU/KVM setup whose virtual disk is in qcow2 format. I would like to boot my physical machine using this virtual disk. Is it possible to write the content of this virtual disk to ...
Alex's user avatar
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2 votes
1 answer
6k views

How to make a snapshot while qemu is running?

Since a fresh booting of the guest OS is very slow, or it is laborious to arrive at a particular machine state, what I want is something like Windows' hibernation: Qemu saves the current state of the ...
zzzhhh's user avatar
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1 answer
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Virtualization is not working anymore after installing WSL on the host

I run windows 10 version 20H2 build 19042 and use VMWare Workstation version 16.2.1 as a hosted hypervisor. I installed WSL on one of the VMs and activated nested virtualization. It was perfectly ...
Yasi's user avatar
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1 vote
1 answer
994 views

Trying to passthru my RTX 2080 ti to a Windows 7 x64 bit vm using virt-manager on Ubuntu 21.10 : it gives error 12

I would like to virtualize Windows 7 x64 bit passing through my graphic card (rtx 2080 ti) with qemu-kvm on Ubuntu 21.10. It's failing for me,so I'm trying to understand what's wrong. After several ...
Marietto's user avatar
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Vmnet8 Interface is not forwarding packets to the vm

I have a vm connected to the vmnet 8 interface. I cannot reach the virtual machine from my host but it can reach the host from the vm. When i trace to the vm i see the host is sending the packet to ...
user19215's user avatar
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Exception when running windows 10 in qemu

So I've downloaded the windows 10 iso file on raspbian, and I've tried running it on qemu, but it gives the following error: how do I fix this?
RockZombie's user avatar
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Cannot run Pop!_OS in qemu on a Raspberry Pi

I've downloaded the Pop!_OS iso file on a Raspberry Pi to run on qemu, but when I run the file with: qemu-system-i386 -L . -hda pop.cow -net nic,model=pcnet -net user -cpu pentium -soundhw all -vga ...
RockZombie's user avatar
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1 answer
964 views

Can you copy out a VM's vhdx with vTPM enabled on Hyper-V to another machine?

I have enabled vTPM on a virtual machine in Hyper-V with bitlocker configured on my desktop (desktop A). Followed the links below: https://askme4tech.com/how-enable-vtpm-windows-server-2016-hyper-v ...
new-to-networking's user avatar
0 votes
2 answers
816 views

VirtualBox - Linux Mint not starting - VT-x is not available

I am running a Linux Mint virtual machine on Windows 10, and getting the following error: Host system Windows 10 Pro (10.0.19043 Build 19043) Dell G3 with Intel Core i5 10-300H CPU VirtualBox 6.0.24 ...
Al2110's user avatar
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0 answers
482 views

How to force resolution in VirtualBox headless mode?

Many will ask why? So, I have some automatic tests implemented using QtTest for my GUI application. I need to trigger them by my CI each time someone commits something. Application needs to be ...
Piotr Zych's user avatar
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3 answers
605 views

How to know if my PC is compatible with VMware Player

Context: I have to run a virtual machine with VMware Player (version 16) on a HP ProLiant ML350 G6 Server. I already had some hardware compatibility problems in the past, so before installing anything ...
SilentCloud's user avatar
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358 views

Virtual Machine Manager not running ubuntu 16.04.4

So I've downloaded Ubuntu 16.04.4 iso file and I've tried to run it on qemu, but it gives the following error: This kernel requires the following features not present on the CPU: pae cmov Unable to ...
RockZombie's user avatar
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0 answers
1k views

VirtualBox 6.1 cannot start VM with Docker+WSL in Windows

I need to run VirtualBox 6.1, Docker, and WSL for my projects. Yes, I can turn off HyperV and WSL, restart, use VirtualBox, turn them on, restart, use Docker & WSL1, but this is so tedious. ...
Power_tile's user avatar
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1 answer
1k views

Error: specified host network collides with a non-hostonly network

Below is the error: The specified host network collides with a non-hostonly network! This will cause your specified IP to be inaccessible. Please change the IP or name of your host only network so ...
overexchange's user avatar
0 votes
1 answer
517 views

virtualization enabled in BIOS but not seen in virtualbox

Someone know why I can't see nested VT-x option in virtualbox ? my setup is: OS : windows 10 Home. CPU : i7-4510U. Virtualization : enabled in BIOS. I tried disabling windows features Plateform ...
miracle genuis's user avatar
0 votes
1 answer
115 views

Cannot enable EPT on my i5-6400, can on my i7-6700 on identical OS setup

I have two different computers. The first one has an i7-6700 Skylake processor on an Asus z170-a motherboard running Windows 10 Professional 20H2 x64 The ark page for the processor is here: https://...
Martin Frank's user avatar
4 votes
0 answers
1k views

Qemu throws back error after i tried to use whpx acceleration (not sure if this the right community)

I am using qemu to emulate Zorin OS 16 (a hour old user of qemu) I tried to emulate Zorin OS 16 with whpx acceleration with this command in power shell: qemu-system-x86_64.exe -boot d -cdrom zorincore....
retardedmf-9t86's user avatar
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1 answer
131 views

VirtualBox - Transfer files from guest to host machine

I'm working on malware analsys, and using VirtualBox for that. I have created virutal machine (windows 7), in which i going to inspect the malware. I would like to send back to the host machine, the ...
Ran Eldan's user avatar
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0 answers
70 views

VirtualBox - Transfer file from guest to host machine

I'm working on malware analysis using VirtualBox. I have created Windows 7 VM, in which I am going to inspect the malware. I would like to send back to the host machine the files and data from the ...
Ran Eldan's user avatar
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0 votes
3 answers
419 views

VirtualBox with XP Mode almost working

Thanks for reading this, I need help to complete a project. I am using AutoCad 2006, and it only runs on Windows XP. I run Windows XP Mode aka Windows Virtual PC inside of Windows 7 Pro. I run Windows ...
user1524201's user avatar
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528 views

How to get details about Vmmem activity?

Vmmem is using 30% CPU whereas docker desktop is not started and WSL is not activated how to understand the cause of the activity ?
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