{"id":38185,"date":"2025-05-28T06:04:26","date_gmt":"2025-05-28T04:04:26","guid":{"rendered":"http:\/\/159.69.82.204\/win\/?p=38185"},"modified":"2025-05-29T20:25:31","modified_gmt":"2025-05-29T18:25:31","slug":"windows-server-2022-out-of-band-update-kb5061906-fixt-hyper-v-einfrieren-may-23-2025","status":"publish","type":"post","link":"https:\/\/borncity.com\/win\/2025\/05\/28\/windows-server-2022-out-of-band-update-kb5061906-fixt-hyper-v-einfrieren-may-23-2025\/","title":{"rendered":"Windows Server 2022\/Windows 10\/11: Out-of-Band Updates KB5061906 \/ KB5061977 \/ KB5061979 fixes Hyper-V freezes (23.\/27. May 2025)"},"content":{"rendered":"<p><img decoding=\"async\" style=\"margin: 0px 10px 0px 0px; display: inline; float: left;\" title=\"Windows\" src=\"https:\/\/www.borncity.com\/blog\/wp-content\/uploads\/2021\/04\/Windows-klein.jpg\" alt=\"Windows\" width=\"200\" align=\"left\" \/>[<a href=\"https:\/\/www.borncity.com\/blog\/2025\/05\/28\/windows-server-2022-out-of-band-update-kb5061906-fixt-hyper-v-freezes-23-5-2025\/\" target=\"_blank\" rel=\"noopener\">German<\/a>]Microsoft released an out-of-band update for Windows Server 2022 on May 23, 2025 to prevent the Hyper-V platform from freezing. On May 27, 2025 another out-of-band update for Windows 11 24H2 has been released to fix the same issue. And there is an out-of-band update for Windows 10 22H2. Here is a brief overview what's been documented by Microsoft.<\/p>\n<p><!--more--><\/p>\n<h2>Hyper-V Out-of-Band-Update<\/h2>\n<p>On May 23, 2025, Microsoft published the <a href=\"https:\/\/support.microsoft.com\/topic\/4ad7e163-1b8d-4774-bb98-d376cae6ea81\" target=\"_blank\" rel=\"noopener\" data-linktype=\"external\">Take Action: Out-of-band update to address issue on devices running Hyper-V on Windows Server 2022<\/a> in the Windows Release Health Dashboard of Windows Server 2022.<\/p>\n<h3>Hyper-V freezes observed<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/vg05.met.vgwort.de\/na\/7b0e83f176514fa0bd52172fdce60ec8\" alt=\"\" width=\"1\" height=\"1\" \/>According to the article, Microsoft has identified an issue where certain confidential virtual machines (<a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/confidential-computing\/confidential-vm-overview\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"absolute-path\">Azure confidential VMs<\/a>)\u00a0running on Hyper-V with Windows Server 2022 intermittently stop responding or restart unexpectedly. This leads to impairments in service availability and requires manual intervention.<\/p>\n<blockquote><p>Confidential Azure VMs provide strong security and confidentiality for tenants. They create a hardware-enforced boundary between the application and the virtualization stack. Such VMs can be used for cloud migrations without changing the code. The platform ensures that the status of the VM remains protected.<\/p><\/blockquote>\n<p>Dieses Problem betrifft laut Microsoft in erster Linie vertrauliche Azure-VMs und wird sich voraussichtlich, au\u00dfer in seltenen F\u00e4llen bei Vorschau- oder Vorproduktionskonfigurationen, nicht auf markt\u00fcbliche Hyper-V-Bereitstellungen auswirken.<\/p>\n<h2>Windows Server 2022 Update KB5061906<\/h2>\n<p>To fix the above issue, the out-of-band update <a href=\"https:\/\/support.microsoft.com\/topic\/4ad7e163-1b8d-4774-bb98-d376cae6ea81\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5061906<\/a> was released on May 23, 2025. This update is only available in the <a href=\"https:\/\/catalog.update.microsoft.com\/Search.aspx?q=KB5061906\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">Microsoft Update Catalog<\/a>. Affected administrators must therefore download the update manually and then install it.<\/p>\n<p>The out-of-band update is cumulative, i.e. no previous update is required for installation. It replaces all previous updates, is only available for Windows Server 2022 and is not a security update.<\/p>\n<p>Has the May 2025 security update <a href=\"https:\/\/support.microsoft.com\/help\/5058385\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5058385<\/a> not yet been installed and are Windows Server 2022 systems with Hyper-V affected? Microsoft recommends that you do not install the May 2025 update <a href=\"https:\/\/support.microsoft.com\/help\/5058385\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5058385<\/a>. Instead, you should install the OOB update <a href=\"https:\/\/support.microsoft.com\/topic\/4ad7e163-1b8d-4774-bb98-d376cae6ea81\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5061906<\/a>. If you are not affected, you logically do not need to install the OOB update. (<a href=\"https:\/\/www.bleepingcomputer.com\/news\/microsoft\/windows-server-emergency-update-fixes-hyper-v-vm-freezes-restart-issues\/\" target=\"_blank\" rel=\"noopener\">via<\/a>)<\/p>\n<h2>Windows 11 24H2 Update KB5061977<\/h2>\n<p>On May 27, 2025, Microsoft also released the out-of-band update <a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/may-27-2025-kb5061977-os-build-26100-4066-out-of-band-a15fd6bb-313a-4a24-9e35-21dbcad2aa99\" target=\"_blank\" rel=\"noopener\">KB5061977<\/a> ffor Windows 11 24H2, which is intended to fix the same problem in Hyper-V. The support article states:<\/p>\n<blockquote><p><b class=\"ocpLegacyBold\">[Hyper-V Platform]<\/b>\u00a0Fixed:\u00a0An issue in the direct send path for a guest physical address (GPA) where confidential virtual machines running on Hyper-V with Windows Server 2025\u00a0might\u00a0intermittently stop responding\u00a0or restart unexpectedly, affecting service availability and requiring manual intervention. This issue primarily affects\u00a0<a class=\"ocpExternalLink\" href=\"https:\/\/learn.microsoft.com\/azure\/confidential-computing\/confidential-vm-overview\" target=\"_blank\" rel=\"noopener\" data-bi-type=\"anchor\">Azure confidential VMs<\/a>.<\/p><\/blockquote>\n<p>Regarding the out-of-band update, the Microsoft article does not currently contain any information on where the update is available. However, I have found the special update in the <a href=\"https:\/\/catalog.update.microsoft.com\/Search.aspx?q=KB5061977\" target=\"_blank\" rel=\"noopener\">Microsoft Update Catalog<\/a>.<\/p>\n<h2>Windows 10 Update KB5061979<\/h2>\n<p>The out-of-band update <a href=\"https:\/\/support.microsoft.com\/en-us\/help\/5061979\" target=\"_blank\" rel=\"noopener\">KB5061979<\/a> for Windows 10 22H2 fixes the Hyper-V flaw described above. It need to be downloades from <a href=\"https:\/\/catalog.update.microsoft.com\/Search.aspx?q=KB5061979\" target=\"_blank\" rel=\"noopener\">Microsoft Update Catalog<\/a>, and shall be installed only, if the system is affected by the Hyper-V issue.<\/p>\n<h2>More Updates listed<\/h2>\n<p>To complete the list, Microsoft now lists all updates as follows:<\/p>\n<ul>\n<li>Windows 11, version 24H2 (<a href=\"https:\/\/support.microsoft.com\/topic\/may-27-2025-kb5061977-os-build-26100-4066-out-of-band-a15fd6bb-313a-4a24-9e35-21dbcad2aa99\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5061977<\/a>)<\/li>\n<li>Windows Server 2025 (<a href=\"https:\/\/support.microsoft.com\/topic\/80725b43-c0a1-48a4-9b82-058efffb6228\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5061977<\/a>)<\/li>\n<li>Windows Server 2022 (<a href=\"https:\/\/support.microsoft.com\/topic\/4ad7e163-1b8d-4774-bb98-d376cae6ea81\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5061906<\/a>)<\/li>\n<li>Windows 10, version 22H2 (<a href=\"https:\/\/support.microsoft.com\/help\/5061979\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5061979<\/a>)<\/li>\n<li>Windows 10 Enterprise LTSC 2021 (<a href=\"https:\/\/support.microsoft.com\/help\/5061979\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5061979<\/a>)<\/li>\n<li>Windows 10 Enterprise LTSC 2019 and Windows Server 2019 (<a href=\"https:\/\/support.microsoft.com\/help\/5061978\" target=\"_blank\" rel=\"noopener noreferrer\" data-linktype=\"external\">KB5061978<\/a>)<\/li>\n<\/ul>\n<p><strong>Similar articles:<\/strong><br \/>\n<a href=\"https:\/\/borncity.com\/win\/2025\/01\/28\/windows-11-24h2-server-2025-with-huge-hyper-v-bug\/\" rel=\"bookmark\">Windows 11 24H2\/Server 2025 with huge Hyper-V bug?<\/a><br \/>\n<a href=\"https:\/\/borncity.com\/win\/2023\/10\/17\/windows-server-2019-2022-updates-kb5031361-kb5031364-cause-hyper-v-issues\/\" rel=\"bookmark\">Windows Server 2019\/2022: Updates KB5031361\/KB5031364 cause Hyper-V issues<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[German]Microsoft released an out-of-band update for Windows Server 2022 on May 23, 2025 to prevent the Hyper-V platform from freezing. On May 27, 2025 another out-of-band update for Windows 11 24H2 has been released to fix the same issue. And &hellip; <a href=\"https:\/\/borncity.com\/win\/2025\/05\/28\/windows-server-2022-out-of-band-update-kb5061906-fixt-hyper-v-einfrieren-may-23-2025\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[463,22,1218,2],"tags":[399,355,47,195,2680],"class_list":["post-38185","post","type-post","status-publish","format-standard","hentry","category-issue","category-update","category-virtualization","category-windows","tag-fix","tag-hyper-v","tag-issue","tag-update","tag-windows-server-2022"],"_links":{"self":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts\/38185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/comments?post=38185"}],"version-history":[{"count":9,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts\/38185\/revisions"}],"predecessor-version":[{"id":38238,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/posts\/38185\/revisions\/38238"}],"wp:attachment":[{"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/media?parent=38185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/categories?post=38185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/borncity.com\/win\/wp-json\/wp\/v2\/tags?post=38185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}