{"id":10814,"date":"2010-08-25T11:09:08","date_gmt":"2010-08-25T11:09:08","guid":{"rendered":"https:\/\/aidanfinn.com\/?p=10814"},"modified":"2010-08-25T11:09:08","modified_gmt":"2010-08-25T11:09:08","slug":"hyper-v-blue-screen-unable-to-access-data-folder","status":"publish","type":"post","link":"https:\/\/aidanfinn.com\/?p=10814","title":{"rendered":"Hyper-V: Blue Screen &#038; Unable to Access Data Folder"},"content":{"rendered":"<p>I am doing some work on my Hyper-V lab machine at home that requires a lot of VM&#8217;s and a lot of disk space.\u00a0 My eSATA disk just does not have the space so I had to do the unthinkable: use a\u00a01TB USB 2.0 drive that I had sitting spare to store some VM&#8217;s (please do not ever do this in production).\u00a0 It will be slow but I can live with that for <em>some<\/em> lab stuff.<\/p>\n<p>I attached the drive, cleared off a few bits and pieces, and used VMM Quick Storage Migration to move a bunch of VM&#8217;s over.\u00a0 I deployed a new VM and started working on it.\u00a0 It blue screened soon after boot up.\u00a0 Strange!\u00a0 I haven&#8217;t seen that before.\u00a0 I worked on it again and *bang* it was gone again.<\/p>\n<p>My first suspect was W 2008 R2 SP1 beta, but I soon had a clue that it wasn&#8217;t at fault.\u00a0 In event viewer, under Hyper-V-VMMSAdmin I saw a bunch of errors telling me that Hyper-V could access various folders, including snapshots (I know I tell you not to use them in production but I use them in a lab) and data folders.\u00a0 The alerts associated with my new VM cooincided with the crash.<\/p>\n<p>I appeared to have a permissions issue.\u00a0 I didn&#8217;t have time to\u00a0figure out exactly what was at fault.\u00a0 Instead I moved the VMs, formatted the volume, and moved the VMs back again.\u00a0 Everything is working perfectly.<\/p>\n<p>I reckon the info on this <a href=\"http:\/\/www.virtualizationadmin.com\/articles-tutorials\/microsoft-hyper-v-articles\/storage-management\/hyper-v-file-storage-permissions.html\" target=\"_blank\">post<\/a> has the answer.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I am doing some work on my Hyper-V lab machine at home that requires a lot of VM&#8217;s and a lot of disk space.\u00a0 My eSATA disk just does not have the space so I had to do the unthinkable: use a\u00a01TB USB 2.0 drive that I had sitting spare to store some VM&#8217;s (please &hellip; <a href=\"https:\/\/aidanfinn.com\/?p=10814\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Hyper-V: Blue Screen &#038; Unable to Access Data Folder&#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,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_wpcom_ai_launchpad_first_post":false,"footnotes":""},"categories":[20],"tags":[181,190,195,116,117],"class_list":["post-10814","post","type-post","status-publish","format-standard","hentry","category-hyper-v","tag-hyper-v","tag-security","tag-virtualisation","tag-windows-server-2008","tag-windows-server-2008-r2"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am doing some work on my Hyper-V lab machine at home that requires a lot of VM&#039;s and a lot of disk space. My eSATA disk just does not have the space so I had to do the unthinkable: use a 1TB USB 2.0 drive that I had sitting spare to store some VM&#039;s (please\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"AFinn\"\/>\n\t<meta name=\"google-site-verification\" content=\"TDKjbi2McB2eLIfL6KwPB3aQqv5E-mbcb2QYIcovGaI\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/aidanfinn.com\/?p=10814\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_GB\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Aidan Finn, IT Pro - A blog covering Azure, Hyper-V, Windows Server, desktop, systems management, deployment, and so on ...\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Hyper-V: Blue Screen &amp; Unable to Access Data Folder | Aidan Finn, IT Pro\" \/>\n\t\t<meta property=\"og:description\" content=\"I am doing some work on my Hyper-V lab machine at home that requires a lot of VM&#039;s and a lot of disk space. 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