Vmware inaccessible boot device VirtIO drivers are not installed in the guest OS - results in PSOD also known as blue screen of death. We engaged Microsoft who could not fix so we restored the VM to vSphere from a backup. Jul 19, 2023 · This article introduces how to overcome the VMWare Inaccessible Boot Device error and ensure seamless virtual machine operations. … A virtual machine created from the image export process boots to an "Inaccessible Boot Device" or "0x0000007B STOP" error screen regardless of the virtual storage controller selected. Aug 10, 2021 · I am using StarWind V2V converter to convert my virtual machines from Vmware to Hyper-V we have new Hosts running Hyper-V and are trying to convert our virtual machines to the new hosts from the old ones that are running Vmware. Anyone got any advice? I tried finding a cab file of the integration Sep 23, 2009 · The vmware device drivers have been installed to the \system32\drivers folder, so the reconfigure / converter seems to have done its job. I know i need pvsci driver on windows but i have instaled vm tools on machine and still have a blue screen when i change controoller. Is there a size limit on the hard disk？ Jun 22, 2020 · I've had issues with the "INACCESSIBLE_BOOT_DEVICE" message when transfering a hw machine to a vm. Incorrect boot mode is selected: BIOS or UEFI. Aug 2, 2025 · I have migrated a computer with Windows 2022 Standard from VMWare ESXI to Proxmox and when I try to boot it I get the error 'inaccessible boot device' The guest OS fails to detect the PVSCSI drivers during boot, resulting in a BSOD with the INACCESSIBLE BOOT DEVICE error. Jan 16, 2024 · This page provides solutions for fixing the "Inaccessible Boot Device" BSOD error on Windows 10, including troubleshooting steps and configuration tips. Hey guys, Reaching out to hopefully get some expert advice on what has snowballed into quite a shit storm for me. When you installed the OS, it was using paravirtual drivers to boot and trying to find a boot partition. Dec 11, 2014 · INACCESSIBLE_BOOT_DEVICE on Hyper-V 2012 R2 virtual machines Ask Question Asked 10 years, 11 months ago Modified 1 year, 9 months ago VM issues - Server 2012 blue screens "Inaccessible boot device", DR issues, in deep shit. Da steht der Windows Boot Manager oben. efi (file exists on Windows disk). The lab is on VMware. Nov 5, 2024 · Does the VM boot in BSOD or does it fail to recognize the boot media? P2V is run from the VM. I've already tried to swithc NIC from E1000 to VMXNET 3 - doesn't work. 5) it gets to the Win 2000 boot graphic then I get a BSOD with the classic 0x7B Stop error: inaccessible_boot_device. 突然有一天你的电脑启动蓝屏，显示你的设备遇到问题，需要重启，你可以重新启动。终止代码：inaccessible boot device 这时候不要慌，这个代码的意思是：不可访问的启动设备。 那么首先我们来检查BIOS设置 开机连… Nov 13, 2009 · 1. Jan 5, 2021 · Windows boot error (INACCESSIBLE_BOOT_DEVICE) or (Boot failure) in an Azure VM - Virtual Machines Provides a solution to an issue where a Windows VM doesn't start with error INACCESSIBLE_BOOT_DEVICE or Boot failure. How to Fix ‘Boot Device Inaccessible’ Error? Aug 6, 2021 · When it comes to trying to start Windows NT 3. 13代的Intel的. As you know after broadcom and vmware story, support for vmware product is extremely useless, due to that I had to migrate to Proxmox. Dec 1, 2010 · But the virtual Windows failed to start - it gave "Inaccessible boot device". Oct 1, 2024 · For that, the link to the Microsoft article Advanced troubleshooting for Stop error 7B or Inaccessible_Boot_Device is helpful. I've Feb 20, 2025 · When something disrupts this connection—like a misstep in how the OS handles boot processes—you’re left with a server that can’t find its footing. Therefore the VM stays up throughout the conversion. This issue was causing 'boot device inaccessible' errors during startup. But I get this issue, inaccessible boot device, I guess this is a classic. I've uninstalled the VMWare tools prior to doing the migration, and I've tried a V2V as well as P2V from the VM Guest to the Hyper-V. 2. Apr 17, 2008 · stop 0x0000007b Inaccessible_boot_device aavi2oft. We are using IDE for the disk and the following settings: Hardware: Options: Using dism from the Apr 14, 2011 · Windows 2000 PC, getting inaccessible boot device Paul Storic Apr 14, 2011 01:14 PM I know while doing a fresh 2000 install I have to use the vmscsi. The command prompt window will appear and you will need to run the command: Regedit. I have: FreeBSD, Windows Server 2022, Windows 7 and Windows 10 VMs. 18. I did this successfully Hello, Obvious question, but what is the disk controller used by your original machine? In rather Jan 21, 2024 · I restarted my server 2016 and out of the blue, I got an Inaccessible Boot Device. 0 - INACCESSIBLE BOOT DEVICE ArcTech1 May 02, 2019 12:22 PM I've been trawling the net for this, a client of mine currently has a number of servers on a Hyper V If a Windows system fails to boot with the "inaccessible boot device" message (bluescreen 7b) this Apr 9, 2017 · Veeam Community discussions and solutions for: Restore to virtual machine fails: the boot selection failed because a required device is inaccessible of Veeam Agent for Microsoft Windows Dec 5, 2023 · Hyper-V migrated VMs show "Inaccessible Boot Device" - only last known good configuration works" matthias91296 Dec 05, 2023 09:27 AM Hell Community, I'm working on migrating our Environment off of Hyper-V to VMWare. Inaccessible boot device during deployment with MDT Recommend CasTito Posted Feb 08, 2018 08:31 AM Oct 25, 2022 · When I enabled the Hyper-V and restart, windows goes to the bluescreen having the error code: Inaccessible_Boot_Device. The process usually stops at 97% and in the logs you will have:- FAILED parsing NTFS or Win9x_DOS partition. I checked the vmware boards and found the kbs to fix this. When finished the floppy installation it restarts and BSOD with code 7B "Inaccessible Boot Device". Revert the most recent server upgrade. Tip: Use a Windows install iso with sliptreamed virtio drivers. This error might occur after some changes are made to the computer. 7 I have windows 2019 server with the newest version of vm tools. A fresh install of Windows install works. 比如Yukaidi装机大师,自己百度找一下 Apr 20, 2017 · Heads-Up! Multiple reports of the April 2017 Rollup Packages causing Windows Server 2016 or Windows 10 to fail to boot with “INACCESSIBLE_BOOT_DEVICE”. Everything went perfectly fine with unix, but when I got to Windows machines everything went pretty bad. vmware. Nov 13, 2023 · We can use any of the following steps in order to fix the error, “Inaccessible Boot Device. However with Windows 10, this leads to an INACCESSIBLE_BOOT_DEVICE issue. The solution was to May 26, 2025 · How to fix the “Windows Server 2016 inaccessible boot device” issue effortlessly and effectively? Here are 5 solutions to it! How do I get past the "INACCESSIBLE BOOT DEVICE" error when importing a Windows Server 2019 from VMware? Aug 8, 2024 · Provides a solution to an issue where a Windows VM doesn't start with error INACCESSIBLE_BOOT_DEVICE or Boot failure. I'm using Starwind Converter to convert a VMWare esxi VM to a hyperV VM The virtual OS is Server 2019 and 2022. 5) I need to change SCSI Controller 1 and SCSI Controller 2 (in these controllers there is no OS Disk (Controller 0. You removed those drivers from the OS, so yes, it does not boot, because the proper drivers cannot be loaded during initial OS boot. Microsoft first noted this the bug in late October 2024 and said it affected servers and these would encounter a boot Jul 21, 2020 · Incorrect boot device selected. Prior to making my final Veeam backup I've installed the Virtio tools. exe is also mentioned 29 times. reg entry under Boot Camp; the editing seems to have been successful but VMWare is still Mar 1, 2007 · After it gets past the Windows 2000 intro screen, it blue screens with INACCESSIBLE_BOOT_DEVICE. I can boot into the rescue mode from GRUB perfectly fine, and as far as I can see all of the data that should be there is there. com/selfservice/microsites/searc… VirtIO drivers are installed but whenever the machine boots after migrating to AHV, it's bsods with inaccessible boot device. Use Command Prompt to check the boot partition for problems. I realize I'm not the first person to encounter this'INACCESSIBLE_BOOT_DEVICE' is discussed all over Microsoft forums / KBs, VMware forums / KBs, etc. While it looks complicated, it’s actually fairly straightforward in terms of a step-by-step approach, and is one of the few articles I saw that explains recovery from both MBR and UEFI boot issues. This guide delineates five effective methods to rectify the Inaccessible Boot Device on Windows Server 2019. … May 12, 2025 · Symptoms: 免責事項： これは英文の記事 Troubleshooting a virtual machine converted with VMware Converter that fails to boot with the error: STOP 0x0000007B INACCESSIBLE_BOOT_DEVICE (344253) の日本語訳です。 記事はベストエフォートで翻訳を進めているため、ローカライズ化コンテンツは最新情報ではない可能性があります。 最新 WS 2016 & Updated monthly with VMware Tools usually updated at the same time We run scheduled restarts of the hosts every 2 days, on average one server per 1. Reply reply More replies seanieb64 • I got around this by using the boot env or an install ISO and running bcdboot [x]:\windows and that would let it hit the driver signature failed or inaccessible boot device, then I could just turn off driver signing Reply reply More repliesMore replies uiyicewtf • A virtual machine created from the image export process boots to an "Inaccessible Boot Device" or "0x0000007B STOP" error screen regardless of the virtual storage controller selected. Feb 20, 2015 · A p2v conversion of a Dell 1950 Server running Windows 2003 Server failed at 98%. 0 build 7967591 VM version 8 I rebooted a windows 2012 server today on my ESXi host, when it rebooted it started giving me "inaccessible boot device". A virtual machine created from the image export process boots to an "Inaccessible Boot Device" or "0x0000007B STOP" error screen regardless of the virtual storage controller selected. " I've tried swapping the disk to an LSI Logic Controller to access command line. ” 1. 0. Only a simple reboot of the system. The machine goes into repair mode and can no longer boot. 2. Has anything changed there? Is the boot order still correct and Drive 0 still the OS VMDK file? May 20, 2025 · Hi all! I'm trying to migrate a VMware Windows 2019 VM using Veeam from ESX to Proxmox. This is not related to 解决VMware虚拟机进不去系统错误的有效方法！ 对于vmware虚拟机进不去系统问题？我们在本文中提供了简单可行的修复方案，您可以参照教程逐步修复，在此之后我们建议您定期备份虚拟机避免再次遇到类似的问题。 Oct 31, 2020 · But, still can't boot the VM to which the virtual disk belongs. Apr 20, 2017 · Heads-Up! Multiple reports of the April 2017 Rollup Packages causing Windows Server 2016 or Windows 10 to fail to boot with “INACCESSIBLE_BOOT_DEVICE”. Mar 9, 2024 · Encountering the Inaccessible Boot Device error, coded as 0x0000007b, is a common yet critical issue that manifests as a blue screen of death, often following a Windows update or system reset. Jan 19, 2025 · Das Betriebssystem wird scheinbar gefunden, aber nach dem Boot-Screen von Windows 10 erscheint ein Bluescreen mit der Meldung "Inaccessible Boot device". 5months has died in the past year after scheduled reboot The process completes correctly but when I try to run the vm, I get an inaccessible boot device BSOD. how to you get it to boot up again without a physical machine? Jun 14, 2025 · 换硬盘无法启动INACCESSIBLE BOOT DEVICE,update 1: 由于我之前将老笔记本虚拟化过，所以用DISKGENIUS加载虚拟化之后的VMDK，再克隆到新硬盘上，一次成功，此贴终结。 Oct 9, 2024 · I took a backup with Veeam of a Windows Server 2022 VM from VMware and restore it to Proxmox. I have prioritized the list according to the top solutions mentioned by users who faced this problem. ISO file, then one place to look is in the settings for the VM in VMware. scenario: you have a windows vm failing to boot with INACCESSIBLE_BOOT_DEVICE and changing the disk type to ide or something else causes another bsod. If that's not possible, try UEFI boot with CSM - it's better than pure UEFI boot. This comprehensive guide offers step-by-step solutions to prevent VMware boot device issues. Let us begin. If I go through the whole booting to recovery, deleting the driver and injecting the driver, it boots up but thats a lot of manual handling. Feb 3, 2022 · Hi i have ESXI 6. May 30, 2024 · Diagnose and fix the INACCESSIBLE BOOT DEVICE stop code, which results when Windows can't boot from your drive. exe Aug 8, 2023 · - detached disk and recreated as IDE, SATA can't boot, blue screen "inaccessible boot device" - our machine verison is 8. 5. I tried to "Configure machine" with the button, but received "unable to locate system volume". It’ll reboot into this a few time before ending up in the recovery console. (Vmware Sphere 6. They would boot into WinPE only. Three weeks ago, two Hyper-V VM stopped booting. (适合没什么重要文件的) 如果你的机器是12. Sep 30, 2024 · Hello, we are intending to replace our old vmWare machine (VMWare 6. Ich weiß nicht, was ich jetzt tun muss, damit die Maschine hochfährt. Sometimes, it won’t let you boot into Windows at all, which can be a little bit unnerving. The file ntoskrnl. The restore went good but the vm is not booting shows directly a blue screen with the error… May 2, 2019 · P2V Hyper V Server 2012 to VMWare ESXi 6. 测试了几天终于搞定了. Dec 12, 2013 · That error (INACCESSIBLE_BOOT_DEVICE) generally indicates that the correct hard disk drivers are not installed in the VM; see this VMware KB for options: VMware Knowledge Base Generally, it’s difficult to deal with this type of error after the fact, and it’s best to ensure the proper drivers are installed before conversion. Sep 15, 2021 · Hi, please check that the bootable drive is selected in the Boot Order setting (in the Options tab of the VM). I believe this problem is caused by an invalid Apr 18, 2025 · It was rebooted and started to show the Blue screen with the message of Inaccessible Boot Device. . There is another fix that i have seen suggested that requires editing the registry. 5i ,after a Your guest operating system is configured for the wrong host adapter driver. x compatible. I was able to recover a backup I had 10 days before (other backups would not boot either). Sep 21, 2022 · Heya! I've moved my Windows Server 2022 VM from ESXi over to Proxmox, however I'm now facing an issue that I can't set the virtual boot disk to SCSI or it'll not boot at all. There was also an addition of a new 100GB thin provisioned VMDK that is basically a mirror'd VMDK of the original 100GB VMDK. Aug 9, 2023 · 蓝屏如图 INACCESSIBLE BOOT DEVICE 百度的方法千篇一律,基本没一个有用的. fixMBR fixBoot chkdsk windows 2000 automated repair Also, I have attempted to open the registry of the vhd without any success. Issue Details The issue is around servers booting from an iSCSI LUN under NDIS Poll Mode. 那可能是VMD驱动问题,找个装机工具,intel vdm入注. Any help would be appreciated :) The import itself runs Nov 23, 2020 · Copied the disk file (raw format) to Proxmox. 0 - doesn't work Jan 12, 2015 · This indicates that the boot device was not accessible. I'm just hoping to scare up some suggestions for things to try to resurrect this VM. VMWare Clone will not Boot INACCESSIBLE_BOOT_DEVICE Recommend crummer Posted Nov 13, 2009 04:49 PM Jan 26, 2021 · 使用 VMware 16安 装win10 和ESXi时我的电脑都出现了 Boot Manger界面，起初我以为是 VM 版本问题，我就删了 VM 16，打算安 装VM 15，结果发现安 装 不上，估计是注册表什么的没有删干净，找了许多 解决 办法也没有 解决，最后我把笔记本电脑恢复出厂设置了才安 装 上 Aug 27, 2024 · If you receive INACCESSIBLE_BOOT_DEVICE Blue Screen after you have upgraded to Windows 11/10, then this posts suggests ways to overcome the issue. It does not boot, and I get this error: "inaccessible boot device" I understand that I need to install VirtIO drivers, but how it that done, since I cannot boot into Windows? Thanks Alex Nov 2, 2021 · Shortly after, the reddit. exe not found) and now get BSOD during Windows splash screen: INACCESSIBLE BOOT DEVICE. 0 LSI Logic)) from LSI Logic Parallel to VMware Paravirtual. I've already installed the VirtIO drivers in Windows itself via the SATA mode, however rebooting the machine results in a bluescreen with inaccessible drive after a while. 0 non-accessible boot device from Windows paravirtual SCSI patch was created. Nov 20, 2022 · This is not likely to be helpful… but at the least you could try to boot to a Windows Recovery image (iso) and try to repair the Startup. it stays in the loop rebooting with the… Apr 3, 2008 · Having read other discussions here, I understand that to mean inaccessible boot device and hence hard disk driver trouble. I did look online for a while by now, I did try a few things but I still could not make it working. If you try to boot the image you will receive a BSOD (Blue Screen of Death) with an 0x0000007B INACCESSIBLE_BOOT_DEVICE code. If the virtual machine was initially created in UEFI boot mode and then boot mode was changed to BIOS or vice versa, then VM will fail to boot. Aug 31, 2021 · Veeam Community discussions and solutions for: Veeam Agent - Restore to Hyper-V - VM won't boot of Veeam Agent for Microsoft Windows The migration completes successfully (we did have to make a change to the boot. 5. Suddenly, when we reboot the VM, it always goes to a BSOD that says Inaccessible Boot Device. Dec 3, 2022 · Joons 1 1 1 that stop code means INACCESSIBLE_BOOT_DEVICE - you possibly haven't set up the virtual machine correctly, or, perhaps this article may provide some help (not really 100% your situation, but there may be some insight) – Jaromanda X Dec 3, 2022 at 1:31 1 Jan 7, 2025 · When the migration is complete, I try starting the Hyper-V virtual machine, and I get a blue screen with the Inaccessible Boot Device error. il Apr 17, 2008 05:08 AM hello, i am using the latest version (from vm site) of vm converter,and using esx 3. 0 that causes problems. The issue was resolved by deleting Intels Rapid storage. 0) nothing - tried to switch from OVMF bios to Seabios, doesn't work I'm always stuck on this page or Blue screen, "inaccessible boot device" Oct 9, 2017 · When booting from the install ISO, the repair option also resulted in a similar "inaccessible boot device" message which makes me think that the problem may not be related to the Windows installation itself, but rather to bhyve somehow. Unfortunately I was having some separate issues with changing the CD in KVM (I couldn't get 2 CDROM devices to work either). From what I've read, the HyperV SCSI controller driver should be present in 2019 and higher, so am I missing something? These are gen2 machines. Windows may boot to a blue screen with an error: STOP 0x0000007B INACCESSIBLE_BOOT_DEVICE Jul 7, 2021 ·