{"id":14543,"date":"2013-05-15T04:24:26","date_gmt":"2013-05-15T03:24:26","guid":{"rendered":"https:\/\/aidanfinn.com\/?p=14543"},"modified":"2013-05-15T04:24:26","modified_gmt":"2013-05-15T03:24:26","slug":"kb2836402-you-cannot-add-vhdx-files-to-hyper-v-vms-on-ws2012","status":"publish","type":"post","link":"https:\/\/aidanfinn.com\/?p=14543","title":{"rendered":"KB2836402 &#8211; You Cannot Add VHD\/X Files To Hyper-V VMs On WS2012"},"content":{"rendered":"<p>Microsoft released a <a href=\"http:\/\/support.microsoft.com\/kb\/2836402\" target=\"_blank\">hotfix<\/a> for when you cannot add VHD or VHDX files to Hyper-V virtual machines in Windows Server 2012.<\/p>\n<blockquote>\n<p><strong><u>Symptoms<\/u><\/strong><\/p>\n<p>Consider the following scenario: <\/p>\n<ul>\n<li>You create some failover cluster nodes on computers that are running Windows Server 2012. <\/li>\n<li>You have the Hyper-V server role installed on the cluster nodes. <\/li>\n<li>You create virtual machines on one cluster node, and you configure the virtual machines as cluster resources. <\/li>\n<li>You create multiple Cluster Shared Volume (CSV) resources and create one Virtual Hard Disk (VHD) file in each CSV. <\/li>\n<li>You use Hyper-V Manager to try to add the VHD files to the virtual machines.<\/li>\n<\/ul>\n<p>In this scenario, you cannot add the VHD files to the virtual machines. Additionally, you receive an error message that resembles the following: <\/p>\n<p>Error applying Hard Drive changes      <br \/>&#8216;<var>Virtual machine<\/var>&#8216; failed to add resources to &#8216;<var>virtual machine<\/var>&#8216;      <br \/>Cannot add &#8216;<var>C:ClusterStorageVolume3Test3.vhdx<\/var>&#8216;. The disk is already connected to the virtual machine &#8216;<var>virtual machine<\/var>&#8216;. (Virtual machine ID <var>virtual machine ID<\/var>)       <br \/>&#8216;<var>Virtual machine<\/var>&#8216; failed to add resources. (Virtual machine ID <var>virtual machine ID<\/var>)       <br \/>Cannot add &#8216;<var>C:ClusterStorageVolume3Test3.vhdx<\/var>&#8216;. The disk is already connected to the virtual machine &#8216;<var>virtual machine<\/var>&#8216;. (Virtual machine ID <var>virtual machine ID<\/var>)<\/p>\n<p><strong><u>Cause<\/u><\/strong><\/p>\n<p>This issue occurs because multiple CSV volumes have the same 0000-0000 serial number. Therefore, the VHD files on different volumes are recognized as the same file.<\/p>\n<\/blockquote>\n<p>A supported <a href=\"http:\/\/support.microsoft.com\/hotfix\/KBHotfix.aspx?kbnum=2836402\" target=\"_blank\">hotfix<\/a> is available from Microsoft.<\/p>\n<div id=\"scid:0767317B-992E-4b12-91E0-4F059A8CECA8:3e20767f-5443-407a-8639-9f4c4495b5f2\" class=\"wlWriterEditableSmartContent\" style=\"float: none; padding-bottom: 0px; padding-top: 0px; padding-left: 0px; margin: 0px; display: inline; padding-right: 0px\">Technorati Tags: <a href=\"http:\/\/technorati.com\/tags\/Windows+Server+2012\" rel=\"tag\">Windows Server 2012<\/a>,<a href=\"http:\/\/technorati.com\/tags\/Hyper-V\" rel=\"tag\">Hyper-V<\/a>,<a href=\"http:\/\/technorati.com\/tags\/Failover+Clustering\" rel=\"tag\">Failover Clustering<\/a>,<a href=\"http:\/\/technorati.com\/tags\/Virtualisation\" rel=\"tag\">Virtualisation<\/a>,<a href=\"http:\/\/technorati.com\/tags\/Storage\" rel=\"tag\">Storage<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft released a hotfix for when you cannot add VHD or VHDX files to Hyper-V virtual machines in Windows Server 2012. Symptoms Consider the following scenario: You create some failover cluster nodes on computers that are running Windows Server 2012. You have the Hyper-V server role installed on the cluster nodes. You create virtual machines &hellip; <a href=\"https:\/\/aidanfinn.com\/?p=14543\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;KB2836402 &#8211; You Cannot Add VHD\/X Files To Hyper-V VMs On WS2012&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[20],"tags":[63,181,99,195,118],"class_list":["post-14543","post","type-post","status-publish","format-standard","hentry","category-hyper-v","tag-failover-clustering","tag-hyper-v","tag-storage","tag-virtualisation","tag-windows-server-2012"],"aioseo_notices":[],"jetpack_featured_media_url":"","amp_enabled":true,"_links":{"self":[{"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/posts\/14543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14543"}],"version-history":[{"count":0,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=\/wp\/v2\/posts\/14543\/revisions"}],"wp:attachment":[{"href":"https:\/\/aidanfinn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aidanfinn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}