> For the complete documentation index, see [llms.txt](https://docs.vergeos-demo.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vergeos-demo.com/knowledge-base/virtual-machines.md). # Virtual Machines How-to guides for creating, importing, configuring, and managing virtual machines. * [Changing Resolution on a UEFI VM](/knowledge-base/virtual-machines/changing-resolution-on-a-uefi-vm.md) — Steps to change the screen resolution on a UEFI-based VM by modifying the OVMF Platform Configuration display settings. * [Emulate a USB Device](/knowledge-base/virtual-machines/emulate-usb.md) — Instructions for creating and attaching an emulated USB device to a VM in VergeOS, including hotplug configuration and VirtIO driver… * [How to Add a TPM Device to a Virtual Machine](/knowledge-base/virtual-machines/add-tpm-device-to-vm.md) — Step-by-step instructions for adding a Trusted Platform Module (TPM) device to a virtual machine in VergeOS, including UEFI configuration… * [How to Import a Linux VM (RHEL, CentOS, SUSE, Debian, Ubuntu)](/knowledge-base/virtual-machines/import-rhel-centos-vm.md) — Importing Linux VMs from other hypervisors into VergeOS and configuring virtio drivers by rebuilding initramfs for proper booting across… * [Importing Physical Machines and Individual VMs into VergeOS](/knowledge-base/virtual-machines/importing-a-physicalvirtual-machine-into-vergeio.md) — Learn how to use the VergeOS Clone Utility to import physical or virtual machines into VergeOS, including PtoV and VtoV migrations with… * [Importing VMs from Files](/knowledge-base/virtual-machines/import-vms-from-files.md) — Learn how to import VMs into VergeOS from uploaded files including VMX, VMDK, OVF, VHD/X, and QCOW2 formats, with troubleshooting steps for… * [Importing Windows Server with UEFI into VergeOS](/knowledge-base/virtual-machines/importing-windows-server-with-uefi-into-vergeos.md) — Guide to migrating a UEFI-enabled Windows Server VM from VMware into VergeOS, including disk interface changes, Virtio driver installation… * [Isolating a VM](/knowledge-base/virtual-machines/isolating-a-vm.md) — Methods for isolating a virtual machine in VergeOS, including removing network connections and creating a dedicated internal network for… * [Loading Virtio Drivers in Windows Recovery Console](/knowledge-base/virtual-machines/loading-virtio-drivers-in-windows-recovery-console.md) — How to load Virtio SCSI and storage drivers in Windows Recovery Console so that Virtio-SCSI disks become visible for recovery operations. * [Making a Non-Persistent VM](/knowledge-base/virtual-machines/making-a-nonpersistent-vm.md) — How to create a non-persistent virtual machine in VergeOS that reverts to its original state after each reboot, ideal for VDI environments. * [Managing Files](/knowledge-base/virtual-machines/managing-files.md) — How to upload, manage, and share files in VergeOS including ISOs, VM disk images, and creating public links for file sharing between sites… * [Reasons a Windows VM Restarted Unexpectedly](/knowledge-base/virtual-machines/reasons-a-windows-vm-restarted-unexpectedly.md) — How to diagnose why a Windows VM restarted unexpectedly by reviewing VergeOS log messages including kill, poweroff, shutdown, and reset… * [Resizing a Virtual Disk Drive](/knowledge-base/virtual-machines/resizing-a-virtual-disk-drive.md) — Step-by-step instructions for increasing the size of a virtual disk drive in VergeOS, including notes on hot-plug support and guest OS… * [Secure Boot Certificate Expiry - Microsoft Guest VMs (June 2026)](/knowledge-base/virtual-machines/secure-boot-certificate-expiry-2026.md) — How to resolve the expiring Microsoft Secure Boot certificate on Windows guest VMs using the one-click fix introduced in VergeOS 26.1.5. * [UEFI Tweaks for Imported VMs](/knowledge-base/virtual-machines/uefi-tweaks-for-imported-vms.md) — How to resolve boot issues with imported VMs that use UEFI boot devices, including boot order and secure boot adjustments. * [Understanding VergeOS VM Memory Management](/knowledge-base/virtual-machines/guest-memory-management.md) — Explains why VergeOS shows allocated memory rather than active usage, the benefits of no memory ballooning, and best practices for memory… * [VirtIO-Win Driver Compatibility with MS SQL Server Workloads](/knowledge-base/virtual-machines/virtio-win-mssql-compatibility.md) — Known virtio-win driver compatibility issue affecting Windows VMs running MS SQL Server under heavy I/O, including the recommended version… * [Virtual Drive TRIM](/knowledge-base/virtual-machines/virtual-drive-trim.md) — How to perform TRIM/UNMAP operations on virtual drives in Windows and Linux to reclaim unused vSAN space, especially after importing… * [VM Advanced Options](/knowledge-base/virtual-machines/vm-advanced-options.md) — Guide to configuring advanced VM options for fine-tuning performance, hardware emulation, and device behavior in VergeOS, including CPU… * [VM Disk Discard](/knowledge-base/virtual-machines/vm-disk-discard.md) — Managing disk discard settings for virtual machines in VergeOS to optimize storage usage and reclaim unused vSAN space through TRIM/DISCARD… * [Windows - Slow to Format a New Disk](/knowledge-base/virtual-machines/windows--slow-to-format-a-new-disk.md) — How to fix slow virtual disk formatting in Windows Server 2012 and later by temporarily disabling SCSI TRIM and Unmap commands using fsutil. * [Windows - Time Shift](/knowledge-base/virtual-machines/windows-time-shift.md) — How to resolve time drift in Windows VMs on VergeOS by configuring the RTC Base setting and the RealTimeIsUniversal registry key for proper… * [Windows Disks Showing Offline After Restarting](/knowledge-base/virtual-machines/windows-disks-showing-offline-after-restarting.md) — How to fix secondary virtual disks that show as offline after restarting a Windows VM imported into VergeOS, using the Set-StorageSetting… * [Windows is Unable to Detect a Virtual Disk Drive](/knowledge-base/virtual-machines/windows-is-unable-to-detect-a-virtual-disk-drive.md) — How to resolve Windows not detecting a virtual disk drive by loading virtIO drivers during installation or changing the disk interface type… * [Windows Restored VM Not Bootable](/knowledge-base/virtual-machines/windows-restored-vm-not-bootable.md) — Troubleshooting steps for a Windows VM that is not booting after being restored from a snapshot, including fixes for non-quiesced… * [Workloads Failing to Migrate](/knowledge-base/virtual-machines/workloads-failing-to-migrate.md) — Common reasons why workloads fail to migrate between nodes, including insufficient resources, pinned VM configurations, and tenant node… --- # Agent Instructions This documentation is published with GitBook. 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