by rplummer » 26. If for any reason you need to pretend that the Hyper-V paravirtualization interface is provided by. Some Linux distributions, for example Fedora, ship a Linux kernel configured for a timer frequency of 1000Hz. 1. You may select "none" but the performance is so much slower. 1. system: paravirtualization interface to legacy and hardware virtualization deactivated (Enable VT-x/AMD-V) worked for me. I. You do not have the required permissions to view the files attached to this post. Paravirtualization provides hooks for guest instructions so that complicated tasks can be performed by the host instead of the virtual machine, where performance is worse. Oracle VM VirtualBox enables the exposure of a paravirtualization interface, to facilitate accurate and efficient execution of software within a virtual machine. Step 1: Try different Paravirtualization Interface. Because VirtualBox doesn't emulate Xen? And what possible use would a Windows 7 VM have for a Xen compatible API anyway? Top. Sep 2008, 16:09 Primary OS: MS Windows 10 VBox Version: PUEL Guest OSses: Mostly XP The legacy option is chosen for VMs which were created with older VirtualBox versions and will pick a paravirtualization interface while starting the VM with VirtualBox. This can be caused by a high timer frequency of the guest kernel. Rather, you need to properly 1) enable hardware virtualization support in your system's BIOS, and 2) ensure Hyper-v is completely disabled on your Windows Host. Return to “Windows Guests”. This enables Oracle VM VirtualBox to share a common configuration among different virtual machine processes and provide several. Paravirtualization Interface is in Default mode by default. These interfaces require the guest operating system to recognize their presence and make use of them in order to leverage the benefits of communicating with the Oracle VM VirtualBox hypervisor. Paravirtualization Interface. 1. 8, “VBoxManage modifyvm” . Previous Oracle VM VirtualBox Programming Interfaces : Home Oracle ® VM VirtualBox Administrator's Guide for Release 6. Improve this answer. Go to the Windows Server VM's System settings, Acceleration tab, set "Paravirtualization Interface" to "Hyper-V", then try the test again. Hello. Jan 2017, 15:38. This is the default option chosen while creating new VMs. That setting 'Paravirtualization Interface' is a communication channel for virtualization-aware OS's to talk to whatever hypervisor is running them, so they can run more efficiently. These interfaces require the guest operating system to recognize their presence and make use of them in order to leverage the benefits of communicating with the Oracle VM VirtualBox. hack3rcon Posts: 193 Joined: 28. 32 r149290 (Qt5. Louie. 31 posts Previous; 1; 2; 3;. 0 devices. 1 or later) and retry. I believe it's in the System tab under Acceleration. Paravirtualization Interface. It is simply the "language" that VirtualBox will use to talk to this guest. Changing Paravirtualization Interface from Hyper-V to none does seem to make a difference on my system - at least it has run logner without freezing than it has in the past. Navigate to the VirtualBox installation that is mostly located at C:Program FilesOracleVirtualBox, and then find the . Android-x86: android-x86_64-9. Sep 2008, 16:09 Primary OS: MS Windows 10 VBox Version: PUEL Guest OSses: Mostly XP mpack Site Moderator Posts: 38847 Joined: 4. 9, “Network Settings”, Oracle VM VirtualBox provides up to eight virtual PCI Ethernet cards for each virtual machine. Oracle VM VirtualBox Executables and Components 10. 19. 2 32-bit. 0. Type: Linux. The options available are documented under the --paravirtprovider option in Section 7. Optimize the VM display. VirtualBox Paravirtualization Interface. 40. Everyone should attempt to get the latest version (6. Paravirtualization Interface. Paravirtualization Interface. e. 4 with Guest Additions installed. This is necessary to access. 04) has 2 network interfaces attached which is recognized as eth0 and eth1. * Virtualbox Setting > System >Acceleration >Paravirtualization Interface and select KVM instead of "default". 34 r150636 (Qt5. 6. Because VirtualBox doesn't emulate Xen? And what possible use would a Windows 7 VM have for a Xen compatible API anyway? Top. Changed paravirtualization interface from hyper-v to minimal 2. 3] Set Paravirtualization Interface to KVM Paravirtualization allows the VM to have a Software-Interface. Paravirtualization Interface: None; Enable VT-x/AMD-V; Enable Nested Paging; Display. Virtualization Oracle VM VirtualBox User Guide for Release 7. 1. These interfaces require the guest operating system to recognize their presence and make use of them in order to leverage the benefits of communicating with the Oracle VM VirtualBox hypervisor. It is simply the "language" that VirtualBox will use to talk to this guest. Feb 2016, 09:44. It comes with a Qt GUI interface, as well as headless and SDL command-line tools for managing and running. Paravirtualization Interface: Default Hardware Virtualization: Enable Nested Paging. 8, “VBoxManage modifyvm”. 18, “Alternative Front-Ends”, VBoxManage is the command-line interface to Oracle VM VirtualBox. Machine is a laptop with an Intel Core i7-10510U CPU and Intel integrated graphics. Click on “Settings“. 1. I remembered Windows 10 did not install Hyper-V, so I went to "Add remove program features" (or similar) in the Control Panel and I checked the box for Hyper-V. VirtualBox employs a client-server design, meaning that whenever any part of VirtualBox is running -- be it. Oracle VM VirtualBox can be used on a Windows host where Hyper-V is running. And then for the VM guests I want to enable Hyper-V's nested virtualization feature. Dec 2007, 14:45 Primary OS: MS Windows 7 VBox Version: PUEL Guest OSses: Any and all. In fact, trying. I have a Windows 10 Guest OS with Virtual box (Version 6. Paravirtualization interface has nothing to do with your host OS or its features. None or minimal interfaces (did not try other interfaces) are usable but also have really poor performance ( more than 2 minutes to open Chrome @ 100% cpu ). Post by hack3rcon » 31. Is there a way to set this option in a Vagrantfile? And in general: Is there documentation on how to set the acceleration settings via the Vagrantfile? 32. VirtualBox is long-standing virtualization software that has been preferred by most users since its release. No configuration is required. These interfaces require the guest operating system to recognize their presence and make use of them in order to leverage the benefits of communicating with the VirtualBox hypervisor. Install GNOME Tweaks. Graphics Controller: VBoxSVGA. This is similar but not at all identical to the underlying hardware-software interface. The term used "paravirtualization interface" is original and nowhere precisely describes whether the interface faces the Host (to accept the hypervisor provided by the OS) or the Guest, which would require Virtualbox to itself have the hypervisor code bits normally provided by the Host OS. Hello. 5 menu with four choices. The option default, will pick an appropriate interface depending on the guest OS type while starting the VM. That setting 'Paravirtualization Interface' is a communication channel for virtualization-aware OS's to talk to whatever hypervisor is running them, so they can run more efficiently. VirtualBox 5 exposes a setting called "Paravirtualization Interface" that can improve performance for some specific guest operating systems. VirtualBox. For Windows 10 guests the correct choice is Hyper-v so leave it on that. 8. Jan 2017, 15:38. The host is not involved. Software Virtualization. Top. I know Both "Hyper-V" and "KVM" and I asked it because the user said "Xen" not exit as an option because VirtualBox is not "Xen" and I mean is that VirtualBox is not "KVM" and "Hyper-V" too but why these are exist and. Supported Guest Operating Systems. As the last test, I made a comparison of the paravirtualization interfaces. The guest operating system is aware of the hypervisor and communicates through hypercalls to improve system performance. on 2022-12-22 and haven't experienced a freeze problem since. With those configuration options in-place and the " Microsoft Windows 11 " ISO properly added as " virtual cd-rom " we can then start the installation process: Click next to show-up the " Install now " button; when you see the installation button, press " Shift+F10 " on your keyboard at the same time to launch a command prompt. 6. After then, I explicitly change the para-virtualization interface mode from "Default" (aka "None" for Solaris) to "Minimal" – and later to "KVM". Containers should still work. VirtualBox VM lags after increasing the numbers of CPUs the VM has allocated to it. VBoxManage supports all the features that the graphical user interface gives you access to, but it. 4 people found this reply helpful. 默. 1. Oracle VM VirtualBox enables the exposure of a paravirtualization interface, to facilitate accurate and efficient execution of software within a virtual machine. Sep 2019, 15:51 Primary OS: Mac OS X otherThe 7. In a nutshell, virtio is an abstraction layer over devices in a paravirtualized hypervisor. 0. 1. This is an experimental feature. 3. How to select paravirtualization interface in VirtualBox? I hope you found a solution that worked for you :) The Content (except music & images) is licensed under (. Quick links: VirtualBox User Manual, Search the VirtualBox Forums, Search the VirtualBox Bugtracker. The options available. This should enable the VirtualBox Seamless Mode on your computer and prevent crashes. 15:11. 31 posts • Page 3 of 3 • 1, 2, 3. Microsoft also does not offer any. We have streamlined the number of steps that can make any Ubuntu VM in VirtualBox ready for general use in just a few minutes: Update and upgrade the Guest OS. Although this is good, it goes against what is written in the manual - for a Linux guest, KVM should be the proper choice. By default, this machine folder is located in a common folder called VirtualBox VMs, which Oracle VM VirtualBox creates in the. I have GuestAdditions installed and I set the VM with the following parameters: **Disk** Dynamically allocated, actual size=15GB, virtual size = 100GB (out of 500GB) **PROCESSOR** 6gb RAM (out of 16) 4 cpu cores (out of 16) **Acceleration** Paravirtualization Interface = default (KVM) Nested Paging enabled **Display** Video. Paravirtualization Interface. 0. Intel Core i9-13900K Review - Power-Hungry Beast. I know Both "Hyper-V" and "KVM" and I asked it because the user said "Xen" not exit as an option because VirtualBox is not "Xen" and I mean is that VirtualBox is not "KVM" and "Hyper-V" too but why these are exist and. ) Paravirtualization Interface: Oracle VM VirtualBox provides paravirtualization interfaces to improve time-keeping accuracy and performance of guest OSes. Feb 2016, 09:44. The legacy option is chosen for VMs which were created with older VirtualBox versions and will pick a paravirtualization interface while starting the VM with VirtualBox 5. That is set to default - and there is no change when it is set to KVM. Paravirtualization interface has nothing to do with your host OS or its features. How to select paravirtualization interface in VirtualBox?Helpful? Please support me on Patreon: thanks & praise to. The legacy option is chosen for VMs which were created with older VirtualBox versions and will pick a paravirtualization interface while starting the VM with VirtualBox 5. 2. 3 kernel and later versions. Then I thought it might be the “paravirtualization interface” in Virtualbox. that worked. thank you for the use Legacy para. hack3rcon Posts: 193 Joined: 28. Launches Windows 98se Setup. Paravirtualization Interface. Virtualbox vm. Sep 2008, 16:09 Primary OS: MS Windows 10 VBox Version: PUEL Guest OSses: Mostly XP Please do this settings and check if the Virtual Win10 image can boot now. 3. This masks off the VME bit in CPUID. Although this is good, it goes against what is written in the manual - for a Linux guest, KVM should be the proper choice. For further details on the. 2. Therefore, it seems to make sense that the issue doesn't occur if the Hyper-V Paravirtualization Interface is. Welcome to the VirtualBox Main API documentation. ( pay attention to a red-green bar ). Paravirtualization interfaces can significantly impact the performance and boot process of your VM. We have a KVM hypervisor (L0, AMD, Kernel: Linux level0kvmhypervisor 4. In root mode, the CPU operates much like older generations of processors without VT-x support. Download Linux Mint ISO. Paravirtualization Interface. virtio was developed by Rusty Russell in support of his own virtualization solution called lguest. ) This seems to have addressed the performance issue. Hello. You can suggest an enhancement on the Bugtracker. Ubuntu 20. 无 ： none 明确指定将关闭任何半虚拟化接口的暴露。. Enter this command: shutdown -s -t 2. If VirtualBox is running without Hyper-V enabled, and nothing else is interfering with hardware virtualization (VT-x / AMD-V), then the usual virtualization icon () will be seen in the Status Bar. When the Oracle VM VirtualBox graphical user interface (GUI) is opened and a VM is started, at least the following three processes are running: VBoxSVC, the Oracle VM VirtualBox service process which always runs in the background. Top. . Enter this command: bcdedit /set hypervisorlaunchtype off. 130520 running on Windows 10 Pro 64-bit Release 1809 Build 17763. . Use Hyper-V paravirtualization with VirtualBox 6. The host is not involved. &Paravirtualization Interface: 半虛擬化介面(&P): Selects the paravirtualization guest interface provider to be used by this virtual machine. Enable the shared clipboard. As long as you enable VT-x/AMD-V, Proxmox should work fine in a Virtualbox VM. Paravirtualization Interface: Oracle VM VirtualBox provides paravirtualization interfaces to improve time-keeping accuracy and performance of guest OSes. 5. For example, I have an Ubuntu 20. This provider is recommended for Windows guests. It's about what API the guest OS is designed to use. 1. Made a VirtualBox ticket #20357 about this (have also attached VM log). 6. Like Amazon, Rackspace, Oracle and. Hello. Paravirtualization Interface. The smart approach would be to let VirtualBox decide which one to use. The new kernel code replaces nonvirtualizable instructions with hypercalls into an application binary interface (ABI). Hello. 0 and newer. For each such card, you can individually select the following: The hardware that will be virtualized. Re: Paravirtualization Interface. If I set the paravirtualization interface to "default" or Hyper-V (which I guess is the default when windows 11 guest type is selected), then the Windows 11 guest hangs quite frequently. Sep 2008, 16:09 Primary OS: MS Windows 10 VBox Version: PUEL Guest OSses: Mostly XP The system setup is: 1. It also virtualizes the I/O using custom guest OS device drivers. 3] Set Paravirtualization Interface to KVM Paravirtualization allows the VM to have a Software-Interface. 0-r2 (the first choice), system begins to load, but all I get is the screen saying:. 6. 1. Software Virtualization. The intent of the modified interface is to reduce the portion of the guest's execution time. I have a Hyper-V vm and 64-bit Virtualbox VM (also tried a 32-bit one in parallel with the two, also works) successfully running in parallel. But if you must try to change it Windows would be hyper-v, Linux would be KVM, Etc. Professor Robert McMillen shows you Paravirtualization in VirtualBox 63. Paravirtualization is a software technique which allows virtual machines to have a software interface. Verify that "Paravirtualization Interface" is set to "None" (System > Acceleration tab). For Windows 10 guests the correct choice is Hyper-v so leave it on that. Oracle VM VirtualBox provides the following interfaces: Minimal: Announces the presence of a virtualized environment. Sorted by: 5. I know Both "Hyper-V" and "KVM" and I asked it because the user said "Xen" not exit as an option because VirtualBox is not "Xen" and I mean is that VirtualBox is not "KVM" and "Hyper-V" too but why these are exist and. 6 was working yesterday but is blackscreening after Ubuntu logo with spinning icon. Then click the "Turn Windows features on or off" link on the left pane. Video Memory: 128MB; Enable 3D Acceleration; Storage. Because VirtualBox doesn't emulate Xen? And what possible use would a Windows 7 VM have for a Xen compatible API anyway? Top. &Paravirtualization Interface: 半虛擬化介面(&P): Selects the paravirtualization guest interface provider to be used by this virtual machine. Some modern guest OSs are Hyper-v/KVM. With Intel VT-x, there are two distinct modes of CPU operation: VMX root mode and non-root mode. 5. Configure Paravirtualization Interface. Click Ok to save the changes, then start the virtual machine again to see if the problem is now resolved. 5. Prior to joining the. Paravirtualization. 7. I suspect a problem when the guest is initializing the additional CPU core (s), but have no good idea how to solve this (except by using a newer CPU, newer Linux kernels in host and guest, and a current VirtualBox version). VirtualBox Enterprise could contain confidential information, including software code, or other data that needs the. The paravirtualization setting is not whether the guest is run by Virtualbox or Hyper-V. Hello. 3. My question is, what is the 'optimal' paravirtualization interface for either guest? At the moment, based on looking at what I could find online (which rarely explicitly talks about a particular host-guest combination), I have Hyper-V. If the green turtle still appears and the tell-tale lines are in the log, try all the steps again. mpack Site Moderator Posts: 38849 Joined: 4. That setting has nothing to do with performance. This is an experimental feature. 15:11. For Windows 10 guests the correct choice is Hyper-v so leave it on that. Linux Guests May Cause a High CPU load. Because VirtualBox doesn't emulate Xen? And what possible use would a Windows 7 VM have for a Xen compatible API anyway? Top. Most modern mainstream guest operating systems, including Windows and Linux, ship with support for one or more paravirtualization. In settings, click on System then Acceleration, Paravirtualization Interface: click on drop down, down at the bottom of the list is KVM. It is a comm channel provided by modern virtualization-aware OS's to talk to the hypervisor they're running on. If one of these steps solves the problem (especially changing the paravirtualization mode), I am going to file a bug report to VirtualBox that the VirtualBox developers should change the behavior of. Create the VM but don't start it, also exit the VirtualBox GUI. 32). Any suggestions on how to improve performance?None or minimal interfaces (did not try other interfaces) are usable but also have really poor performance ( more than 2 minutes to open Chrome @ 100% cpu ). michaln Oracle Corporation Posts: 2973 Joined: 19. VirtualBox 5. 100% Safe and Secure Free Download (32-bit/64-bit) Latest Version 2023. VBoxSVC Out-of-Process COM Server Issues. Click on Advanced and select Adapter type: Paravirtualized Network. My CPU runs @ about 150% for awhile and then settles down. x I saw various paravirtualization options in the "Acceleration" tab of my VM settings. Step 1. It is simply the "language" that VirtualBox will use to talk to this guest. I know Both "Hyper-V" and "KVM" and I asked it because the user said "Xen" not exit as an option because VirtualBox is not "Xen" and I mean is that VirtualBox is not "KVM" and "Hyper-V" too but why these are exist and. 1. 15:11. 2 + Ryzen 3000. If you're using ZFS on a VirtualBox install, that will probably be a bit slow, but if you have a reasonable amount of. e. The bottom bar of a Virtualbox guest VM window shows many icons, including a vCPU icon. It is not possible to change paravirtualization interface type under VM "Settings - System - Acceleration" too - OK button remain disabled. The Oracle problem is that it add "KVM" and "Hyper-V" in Paravirtualization Interface because of "Red Hat" and "Microsoft" but "Xen" is open source and not have any commercial sponsor, But if you open your eyes then you can see that many companies use Xen as Cloud. 4, Windows 10 version 1909 Pro. Open Oracle VM VirtualBox. 5. RandomXUsr • 1 yr. 15. ↳ Using VirtualBox; ↳ VirtualBox on Windows Hosts; ↳ VirtualBox on Windows pre-releases; ↳ VirtualBox on Linux Hosts;The option default, will pick an appropriate interface depending on the guest OS type while starting the VM. VirtualBox allows exposing a paravirtualization interface to facilitate accurate and efficient execution of software within a virtual machine. Whenever the guest attempts to do something that. been using a Virtualbox VM for assorted work purposes and light 2000s era games. Some Linux guests may cause a high CPU load even if the guest system appears to be idle. Discussions related to using VirtualBox on Linux hosts. 6. )Paravirtualization Interface: Default; Hardware Virtualization: Enable Nested Paging - Zen2+ CPU = Disable on Copy; Display Screen Video Memory: 128MB;. 1. General Troubleshooting. VirtualBox version: 6. 5. Hardware vs. Please do this settings and check if the Virtual Win10 image can boot now. Paravirtualization Interface. Currently published and managed by Oracle, VirtualBox allows you to. VirtualBox的实现当前支持半虚拟时钟，APIC频率报告，来宾调试，来宾崩溃报告和宽松的计时器检查。. 31 posts Previous; 1; 2; 3;. These interfaces require the guest operating system to recognize their presence and make use of them in order to leverage the benefits of communicating with the. Because VirtualBox doesn't emulate Xen? And what possible use would a Windows 7 VM have for a Xen compatible API anyway? Top. In VirtualBox 5, going into the settings for a VM then into the System > Acceleration tabs, there is a drop down menu with the following options for “Paravirtualization Interface”: - None - DefaultDownload the 10. , the Intel VT-x extensions). Open Settings: Click on “Settings” to. 04. Re: Paravirtualization Interface. There is little point in providing the guest OS with an API it doesn't understand. By the way, I didn't notice any performance reduction after changing that, so this is how my VMs are defined from now. Subsequent chapters will go into much more detail covering more powerful tools and features, but fortunately, it is not necessary to read the entire User. In 2005, VMware proposed a paravirtualization interface, the Virtual Machine Interface (VMI), as a communication mechanism between the guest operating system and the. Your Virtualbox should be running now. Verify that "I/O APIC" is enabled (System > Motherboard tab). Paravirtualization interface has nothing to do with your host OS or its features. r148423 w/ Guest Extensions on a 2020Macbook Pro OSX 11. KVM: Presents a Linux KVM hypervisor interface which is recognized by Linux kernels version 2. The paravirtualization interface options you mention have little to do with your issue. The options available are documented under the --paravirtprovider option in Section 7. Right Click on OS image . mpack Site Moderator Posts: 39108 Joined: 4. Set the paravirtualization interface to "none". 1. 4 with Guest Additions installed. 3. Initially, you need to specify the following: Name: Any preferred name for your VM like Linux Mint. Oracle VM VirtualBox detects Hyper-V automatically and uses Hyper-V as the virtualization engine for the host. 6 with Guest Additions 6. In. VirtualBox VM setup: 4 CPU , 4096 MB Memory, network adapter disabled, Hard Disk - SSD, Paravirtualization Interface – Default, Hardware Virtualization - Enable Nested Paging, Executing Engine - VT-x/AMD-V, Paravirtualization Interface - Hyper-V. 1. 31 posts • Page 1 of 3 • 1, 2, 3. I'm using the latest VirtualBox client (5. For Windows 10 guests the correct choice is Hyper-v so leave it on that. In addition to normal hardware virtualization, your processor may also support the following additional sophisticated techniques: Nested paging implements some memory management in hardware, which can greatly accelerate hardware virtualization since these tasks no longer need to be performed by the. Jan 2017, 15:38. This interface is recognized by Linux kernels starting with version 2. Because VirtualBox doesn't emulate Xen? And what possible use would a Windows 7 VM have for a Xen compatible API anyway? Top. Linux Guests do not recognize Hyper-v paravirtualized interfaces. Upgrade your RAM and HDD as these two are the real killers when it comes to performance for VMs. I know Both "Hyper-V" and "KVM" and I asked it because the user said "Xen" not exit as an option because VirtualBox is not "Xen" and I mean is that VirtualBox is not "KVM" and "Hyper-V" too but why these are exist and. I am running a Windows XP VM and the setup has suddenly stopped at 39 minutes! So the VM was working fine, I left it on for a few hours because it was stuck on 39 minutes. What we have to do is, run the VirtualBox on your system and select the created Machine that you want to run. Interface: IConsole {6ac83d89-6ee7-4e33-8ae6-b257b2e81be8}. I had the same issue and actually found the problem for me (running HA 2021. 20) on Windows 10 64-bit host with Ryzen 1700 and ROG Crosshair VI Hero motherboard (SVM. Click on “Settings“. It refers to what style of API VirtualBox should offer to a modern hypervisor-aware guest OS. - Give it a NAME and set TYPE=Linux and VERSION=Other Linux (64-bit) and click CONTINUE. 1. 5. Paravirtualization Interface. Posts: 790. Then it hangs. Hello. Ramshankar Oracle Corporation Posts: 790 Joined: 7. levlevinson2 Posts: 2 Joined:. Sep 2008, 16:09 Primary OS: MS Windows 10 VBox Version: PUEL Guest OSses: Mostly XP Modern operating systems have been programmed to be aware that they are running in a virtual machine. We can try changing it to Kernel-based Virtual Machine or KVM and see if it does the trick. Paravirtualization interface has nothing to do with your host OS or its features. 4 with Guest Additions installed. Top. 5. My host was Windows 10 and it got upgraded to Windows 11 rcently. . 1. It comes with a Qt GUI interface, as well as headless and SDL command-line tools for managing and. In acceleration, I have hyper-v for the paravirtualization interface. I have WSL2 and Docker Desktop installed and working, as well as my VirtualBox VMs set to Hyper-V as the paravirtualization interface. hack3rcon. Post by hack3rcon » 31. Paravirtualization Interface. VirtualBox offers several options, and experimenting with these might help resolve the issue: Open VirtualBox and select the problematic VM. After then, I explicitly change the para-virtualization interface mode from "Default" (aka "None" for Solaris) to "Minimal" – and later to "KVM". 6 lockup2. Paravirtualization Interface. 0 and therefore does not ship with any xHCI drivers. I know Both "Hyper-V" and "KVM" and I asked it because the user said "Xen" not exit as an option because VirtualBox is not "Xen" and I mean is that VirtualBox is not "KVM" and "Hyper-V" too but why these are exist and. It is simply the "language" that VirtualBox will use to talk to this guest. Oracle VM VirtualBox Executables and Components. Hyper-V vs.