{"id":3915,"date":"2014-09-16T08:26:21","date_gmt":"2014-09-16T08:26:21","guid":{"rendered":"http:\/\/www.top-password.com\/blog\/?p=3915"},"modified":"2014-09-16T14:16:22","modified_gmt":"2014-09-16T14:16:22","slug":"fix-the-chain-of-virtual-hard-disks-is-inaccessible","status":"publish","type":"post","link":"https:\/\/www.top-password.com\/blog\/fix-the-chain-of-virtual-hard-disks-is-inaccessible\/","title":{"rendered":"Fix: The chain of virtual hard disks is inaccessible"},"content":{"rendered":"<p>I have Hyper-V running on a Windows 8 laptop. Within Hyper-V is a Windows 7 Pro virtual machine for test purpose. Everything was working fine until I mounted the VHD file using Disk Management so I can browse the virtual drive in Windows Explorer. I didn&#8217;t make any changes and then just dismounted it. Afterwards when I tried to turn on the virtual machine I got an error saying &#8220;<em>The chain of virtual hard disks is inaccessible. There was an error opening a virtual hard disk further up the chain<\/em>&#8220;.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3918\" alt=\"hyper-v-error\" src=\"https:\/\/www.top-password.com\/blog\/wp-content\/uploads\/2014\/09\/hyper-v-error.png\" width=\"500\" height=\"293\" \/><\/p>\n<p>This should be a known issue with Hyper-V and we can reproduce the error by doing the same things with one of your .vhdx file. Here is how I fix the error:<\/p>\n<ol>\n<li>In the Hyper-V Manager, right-click on the problematic virtual machine and select <strong>Settings<\/strong>.\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.top-password.com\/blog\/wp-content\/uploads\/2014\/09\/hyper-v-manager.png\" alt=\"hyper-v-manager\" width=\"600\" height=\"410\" class=\"alignnone size-full wp-image-3919\" \/><\/p>\n<\/li>\n<li>The Settings dialog for the VM will appear. Under <strong>IDE Controller 0<\/strong>, select the <strong>Hard Drive<\/strong>. Click on <strong>Inspect<\/strong> on your virtual hard disk.\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.top-password.com\/blog\/wp-content\/uploads\/2014\/09\/hyper-v-vm-settings.png\" alt=\"hyper-v-vm-settings\" width=\"600\" height=\"566\" class=\"alignnone size-full wp-image-3920\" \/><\/p>\n<\/li>\n<li>In the Virtual Hard Disk Properties, you&#8217;ll see the error which prevents your VM from powering on. Click <strong>Reconnect<\/strong> button.\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.top-password.com\/blog\/wp-content\/uploads\/2014\/09\/virtual-drive-properties.png\" alt=\"virtual-drive-properties\" width=\"530\" height=\"429\" class=\"alignnone size-full wp-image-3922\" \/><\/p>\n<\/li>\n<li>When the Edit Virtual Hard Disk Wizard appears, click on Next.\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.top-password.com\/blog\/wp-content\/uploads\/2014\/09\/reconnect-virtual-drive.png\" alt=\"reconnect-virtual-drive\" width=\"600\" height=\"382\" class=\"alignnone size-full wp-image-3921\" \/>\n<\/li>\n<li>Click the <strong>Browse<\/strong> button and locate the VHD file for your Hyper-V VM. Check the <strong>Ignore ID mismatch<\/strong> checkbox, then click Next.\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.top-password.com\/blog\/wp-content\/uploads\/2014\/09\/reconnect-to-parent-vhd.png\" alt=\"reconnect-to-parent-vhd\" width=\"600\" height=\"381\" class=\"alignnone size-full wp-image-3923\" \/><\/p>\n<\/li>\n<li>Click on Finish.\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.top-password.com\/blog\/wp-content\/uploads\/2014\/09\/virtual-drive-wizard.png\" alt=\"virtual-drive-wizard\" width=\"600\" height=\"409\" class=\"alignnone size-full wp-image-3924\" \/><\/p>\n<p>This should fix your problem. I hope this helps you out if you run into the same problem.<\/li>\n<\/ol>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>I have Hyper-V running on a Windows 8 laptop. Within Hyper-V is a Windows 7 Pro virtual machine for test purpose. Everything was working fine until I mounted the VHD file using Disk Management so I can browse the virtual drive in Windows Explorer. I didn&#8217;t make any changes and then just dismounted it. Afterwards [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,10],"tags":[1868,1867,1866,1865],"class_list":["post-3915","post","type-post","status-publish","format-standard","hentry","category-others","category-tips-tricks","tag-cant-start-hyper-v-vm","tag-error-opening-a-virtual-hard-disk","tag-the-chain-of-virtual-hard-disks-is-corrupted","tag-the-chain-of-virtual-hard-disks-is-inaccessible"],"_links":{"self":[{"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/posts\/3915","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/comments?post=3915"}],"version-history":[{"count":7,"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/posts\/3915\/revisions"}],"predecessor-version":[{"id":3929,"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/posts\/3915\/revisions\/3929"}],"wp:attachment":[{"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/media?parent=3915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/categories?post=3915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.top-password.com\/blog\/wp-json\/wp\/v2\/tags?post=3915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}