{"id":217984,"date":"2025-07-16T01:16:49","date_gmt":"2025-07-16T06:16:49","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/07\/windows-kb5064489-emergency-update-fixes-azure-vm-launch-issues"},"modified":"2025-07-16T01:16:49","modified_gmt":"2025-07-16T06:16:49","slug":"windows-kb5064489-emergency-update-fixes-azure-vm-launch-issues","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/07\/windows-kb5064489-emergency-update-fixes-azure-vm-launch-issues","title":{"rendered":"Windows KB5064489 emergency update fixes Azure VM launch issues"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/windows-kb5064489-emergency-update-fixes-azure-vm-launch-issues.jpg\"><\/a><\/p>\n<p>Microsoft has released an emergency update to fix a bug that prevents Azure virtual machines from launching when the Trusted Launch setting is disabled and Virtualization-Based Security (VBS) is enabled.<\/p>\n<p>The bug impacted Windows Server 2025 and Windows 11 24H2 and was introduced during the <a href=\"https:\/\/www.bleepingcomputer.com\/news\/microsoft\/microsoft-july-2025-patch-tuesday-fixes-one-zero-day-137-flaws\/\" target=\"_blank\" rel=\"nofollow noopener\">July Patch Tuesday security updates<\/a>.<\/p>\n<p>\u201cThis update addresses an issue that prevented some virtual machines (VMs) from starting when Virtualization-Based Security (VBS) was enabled,\u201d <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/july-13-2025-kb5064489-os-build-26100-4656-out-of-band-14a82ab2-100f-4dd4-8141-f490ec90c8f4\" target=\"_blank\" rel=\"nofollow noopener\">explains Microsoft<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft has released an emergency update to fix a bug that prevents Azure virtual machines from launching when the Trusted Launch setting is disabled and Virtualization-Based Security (VBS) is enabled. The bug impacted Windows Server 2025 and Windows 11 24H2 and was introduced during the July Patch Tuesday security updates. \u201cThis update addresses an issue [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1492],"tags":[],"class_list":["post-217984","post","type-post","status-publish","format-standard","hentry","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/217984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=217984"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/217984\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=217984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=217984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=217984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}