Hibernation suspends the Windows OS to RAM so that on resume, the entire system state returns as it was. It is for these reasons we highly encourage users to set their power management settings to High-performance mode.ġ) Open up the Control Panel for Windows and in the top-right search box, type "power" to search for the power settings controls, then click on Change what the power buttons do:Ģ) Click the Change settings that are currently unavailable link near the top of the next window:ģ) Uncheck Turn on fast startup from under the Shutdown settings section:Įven with fast startup disabled, technically the system is still able to "hibernate" as a user-controllable function. However, as a VM, this can cause problems when initializing hardware after shut down (this can especially be true if you are assigning physical devices to virtual machines). None of these are required, but should you run into performance issues with your Windows VMs, following these guides may improve things for you.įast Startup is a feature introduced with Windows 8 that can improve boot times on physical PCs. Click Change settings that are currently unavailableĪfter the installation of a Windows VM, there are several things you can do to optimize your VM's performance and flexibility. To enable hibernation support in Windows, perform the following steps:ģ. There is no confirmation when complete, but a command box may appear briefly while it's installing. Double-click the file qemu-ga-圆4 to install the guest agent. Open File Explorer in Windows and navigate to the VirtIO Drivers media.Ĥ. Boot your VM up with the VirtIO drivers ISO set.Ģ. To install the guest agent, perform the following steps:ġ. In order to make correct use of hibernation, you must first do two things. With VMs, hibernation is a useful way to save the state of a VM when you need to either power down or reboot the host. Then when the system powers back on, instead of going through a normal Windows boot process, the system would simply restore the saved state from hibernation. This basically involved dumping the RAM of the system to local storage and then powering down the system. Hibernation was originally designed as a feature for laptops to allow users to maintain a system's state without consuming power. Let Windows automatically search for and find the new drivers. Specify the root of the VirtIO drivers ISO (typically e:\ or d:\)Ĩ. Right-click on each device and select Update device driversħ. Using Windows Device Manager, you will need to locate each of the four VirtIO devices (Ethernet, SCSI Controller, Balloon, and Serial).Ħ. Edit your VM from the VMs tab, and under Advanced View, change the VirtIO Drivers ISO path to specify the new drivers you downloaded in the previous step.ĥ. Download the new drivers from the VM Settings page.Ģ. To update your drivers, perform the following steps:ġ. In some cases, driver updates may be required for upgrading your Windows OS from one version to another (e.g. *Windows 11 support is being added to version 6.10.įrom time to time, the Fedora project will release new versions of the VirtIO drivers which may resolve bugs and improve performance. The below list reflects the tested configurations with various OSes, QEMU machine types, and BIOSes. Windows is different from Linux-based guests as it requires the user to load the VirtIO drivers to be able to recognize the virtual devices provided by QEMU/KVM. UEFI is not directly supported by Windows 7 and therefore, OVMF will not work. If using OVMF, you must use Windows 8 or newer.Use Windows 8.1 or newer for the best experience. Windows 7 and earlier OS variants may not work with host-based graphics assignment correctly.Changing the machine type between i440fx and Q35 under advanced mode will prompt Windows for reactivation of the license.Before activating your Windows license, we highly encourage thorough testing of your VM first.Not all OSes have been tested, but those that have are listed on this page.Ī few notes on virtualizing Windows on Unraid before you begin: Unraid 6 currently supports the virtualization of nearly any 64-bit operating system. 1.7.2 Upgrade VirtIO Drivers to 0.1.109 or later.1.6.7 Enable MSI for Interrupts to Fix HDMI Audio Support.1.6.5 Enable High Performance Power Mode.1.6.4 Disable Automatic Disk Defragmenting.
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