{"id":58727,"date":"2025-05-22T11:46:37","date_gmt":"2025-05-22T09:46:37","guid":{"rendered":"https:\/\/www.schneider.systems\/?p=58727"},"modified":"2025-05-22T12:06:21","modified_gmt":"2025-05-22T10:06:21","slug":"microsoft-windows-server-windows-11-hotpatching-updates-without-restarting","status":"publish","type":"post","link":"https:\/\/www.schneider.systems\/lu\/microsoft-windows-server-windows-11-hotpatching-updates-without-restarting\/","title":{"rendered":"Microsoft Windows Server &#038; Windows 11 Hotpatching: Updates without Restarting"},"content":{"rendered":"<p style=\"text-align: justify;\">On <strong>April 2, 2025<\/strong>, <strong>Hotpatching for Windows 11 Enterprise<\/strong> became <strong>available<\/strong>, followed by the <strong>availability of Hotpatching for <a href=\"https:\/\/www.schneider.systems\/lu\/microsoft-windows-server-2025-secure-scalable-and-ai-ready\/\">Windows Server<\/a> 2025<\/strong> on <strong>July 1, 2025<\/strong>. This feature is designed to <strong>protect organizations from cyberattacks<\/strong> while <strong>minimizing user disruptions<\/strong>, as <strong>Hotpatch updates do not require a restart of the operating system<\/strong>.<\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-47181 size-full\" src=\"https:\/\/www.schneider.systems\/media\/2024\/11\/SCHNEIDER-IT-MANAGEMENT-2024-11-13-Update-Website-Microsoft-Hotpatch-for-Windows-Server-2025_2.png\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/www.schneider.systems\/media\/2024\/11\/SCHNEIDER-IT-MANAGEMENT-2024-11-13-Update-Website-Microsoft-Hotpatch-for-Windows-Server-2025_2.png 800w, https:\/\/www.schneider.systems\/media\/2024\/11\/SCHNEIDER-IT-MANAGEMENT-2024-11-13-Update-Website-Microsoft-Hotpatch-for-Windows-Server-2025_2-500x281.png 500w, https:\/\/www.schneider.systems\/media\/2024\/11\/SCHNEIDER-IT-MANAGEMENT-2024-11-13-Update-Website-Microsoft-Hotpatch-for-Windows-Server-2025_2-150x84.png 150w, https:\/\/www.schneider.systems\/media\/2024\/11\/SCHNEIDER-IT-MANAGEMENT-2024-11-13-Update-Website-Microsoft-Hotpatch-for-Windows-Server-2025_2-768x432.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2 style=\"text-align: justify;\"><strong>Hotpatching explained<\/strong><\/h2>\n<h3 style=\"text-align: justify;\"><strong>Key Benefits:<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li><strong>Immediate Protection:<\/strong>\u00a0Hotpatch updates take effect immediately upon installation, providing rapid protection against vulnerabilities.<\/li>\n<li><strong>Consistent Security:<\/strong>\u00a0Devices receive the same level of security patching as the monthly standard security updates.<\/li>\n<li><strong>Minimized Disruptions:<\/strong>\u00a0Users can continue their work without interruptions, as Hotpatch updates do not require a PC restart for the remainder of the quarter.<\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><strong>Hotpatching Cycle:<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li><strong>Baseline Month:<\/strong>\u00a0January, April, July, October &#8211; Devices install the monthly fixed security update and restart.<\/li>\n<li><strong>Subsequent Two Months:<\/strong>\u00a0Devices receive Hotpatch updates, which only include security updates and do not require a restart.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><strong>Hotpatching for Windows 11 Enterprise<\/strong><\/h2>\n<p style=\"text-align: justify;\"><strong>Hotpatching for Windows 11 Enterprise<\/strong> protects organizations from cyberattacks by <strong>installing security updates automatically <\/strong>on eligible devices <strong>without the need to restart.<\/strong><\/p>\n<div style=\"width: 800px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-58727-1\" width=\"800\" height=\"450\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/www.schneider.systems\/media\/2025\/05\/SCHNEIDER-IT-MANAGEMENT-2025-05-19-Update-Microsoft-Windows-11-Hotpatching.mp4?_=1\" \/><a href=\"https:\/\/www.schneider.systems\/media\/2025\/05\/SCHNEIDER-IT-MANAGEMENT-2025-05-19-Update-Microsoft-Windows-11-Hotpatching.mp4\">https:\/\/www.schneider.systems\/media\/2025\/05\/SCHNEIDER-IT-MANAGEMENT-2025-05-19-Update-Microsoft-Windows-11-Hotpatching.mp4<\/a><\/video><\/div>\n<h3 style=\"text-align: justify;\"><strong>How It Works:<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li>Create a hotpatch-enabled quality update policy in <a href=\"https:\/\/www.schneider.systems\/lu\/microsoft-windows-autopatch-available\/\">Windows Autopatch<\/a> through the <a href=\"https:\/\/intune.microsoft.com\/\">Microsoft Intune console<\/a>.<\/li>\n<li>Eligible Windows 11 Enterprise, version 24H2 devices managed by this policy will receive hotpatch updates in a quarterly cycle.<\/li>\n<li>Devices receiving hotpatch updates will see a different KB number and OS version than those receiving standard updates.<\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><strong>Requirements:<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li>Microsoft subscription including Windows 11 Enterprise F3\/E3\/E5, Windows 11 Education A3\/A5, or Windows 365 Enterprise.<\/li>\n<li>Devices running Windows 11 Enterprise, version 24H2 (Build 26100.2033 or later) with the current baseline update installed.<\/li>\n<li>x64 CPU (AMD64 and Intel); Arm64 devices are still in public preview.<\/li>\n<li>Microsoft Intune to manage the deployment of hotpatch updates.<\/li>\n<li>Virtualization-based Security (VBS) enabled.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><strong>Hotpatching for Windows Server 2025<\/strong><\/h2>\n<p style=\"text-align: justify;\">Starting <strong>July 1, 2025<\/strong>, <strong>Hotpatching for Windows Server 2025<\/strong> will be generally available as a subscription service. It comes at a cost of <strong>$1.50 per CPU core per month<\/strong>. This feature, previously available for the Azure Edition of Windows Server Datacenter, is <strong>now available for servers running outside of Azure<\/strong>, provided they are connected to Azure Arc.<\/p>\n<div style=\"width: 800px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-58727-2\" width=\"800\" height=\"450\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/www.schneider.systems\/media\/2025\/05\/SCHNEIDER-IT-MANAGEMENT-2025-05-19-Update-Microsoft-Windows-Server-2025-Hotpatching_Quick-Introduction.mp4?_=2\" \/><a href=\"https:\/\/www.schneider.systems\/media\/2025\/05\/SCHNEIDER-IT-MANAGEMENT-2025-05-19-Update-Microsoft-Windows-Server-2025-Hotpatching_Quick-Introduction.mp4\">https:\/\/www.schneider.systems\/media\/2025\/05\/SCHNEIDER-IT-MANAGEMENT-2025-05-19-Update-Microsoft-Windows-Server-2025-Hotpatching_Quick-Introduction.mp4<\/a><\/video><\/div>\n<h3 style=\"text-align: justify;\"><strong>How It Works:<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li>Hotpatching patches the in-memory code of running processes without the need to restart the process.<\/li>\n<li>Servers will still need to restart about four times yearly for baseline updates.<\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><strong>Enabling Hotpatching:<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li>Connect your server to <strong>Azure Arc<\/strong>.<\/li>\n<li>Sign into the <a href=\"https:\/\/portal.azure.com\/\"><strong>Azure Portal<\/strong><\/a>, go to Azure Update Manager, select your Azure Arc-enabled server, and select the hotpatching option.<\/li>\n<\/ul>\n<h3 style=\"text-align: justify;\"><strong>Requirements:<\/strong><\/h3>\n<ul style=\"text-align: justify;\">\n<li>Windows Server 2025 Standard or Datacenter connected to Azure Arc.<\/li>\n<li>Subscription to the Hotpatch service.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><strong>More information<\/strong><\/h2>\n<ul style=\"text-align: justify;\">\n<li><strong>Windows Server Hotpatching announcement<\/strong>: <a href=\"https:\/\/www.microsoft.com\/en-us\/windows-server\/blog\/2025\/04\/24\/tired-of-all-the-restarts-get-hotpatching-for-windows-server\/\">https:\/\/www.microsoft.com\/en-us\/windows-server\/blog\/2025\/04\/24\/tired-of-all-the-restarts-get-hotpatching-for-windows-server\/<\/a>.<\/li>\n<li><strong>Windows 11 Enterprise Hotpatching announcement<\/strong>: <a href=\"https:\/\/techcommunity.microsoft.com\/blog\/windows-itpro-blog\/hotpatch-for-windows-client-now-available\/4399808\">https:\/\/techcommunity.microsoft.com\/blog\/windows-itpro-blog\/hotpatch-for-windows-client-now-available\/4399808<\/a>.<\/li>\n<li><strong>Licensing Requirements<\/strong>: <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows\/deployment\/windows-autopatch\/overview\/windows-autopatch-faq#what-are-the-licensing-requirements-for-windows-autopatch\">https:\/\/learn.microsoft.com\/en-us\/windows\/deployment\/windows-autopatch\/overview\/windows-autopatch-faq#what-are-the-licensing-requirements-for-windows-autopatch<\/a>.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify;\"><strong>Get help from the experts in licensing<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-56085\" src=\"https:\/\/www.schneider.systems\/media\/2025\/03\/SCHNEIDER-IT-MANAGEMENT-2025-03-11-Graphics-Office-People-9009-800x533.jpg\" alt=\"\" width=\"800\" height=\"533\" srcset=\"https:\/\/www.schneider.systems\/media\/2025\/03\/SCHNEIDER-IT-MANAGEMENT-2025-03-11-Graphics-Office-People-9009-800x533.jpg 800w, https:\/\/www.schneider.systems\/media\/2025\/03\/SCHNEIDER-IT-MANAGEMENT-2025-03-11-Graphics-Office-People-9009-500x333.jpg 500w, https:\/\/www.schneider.systems\/media\/2025\/03\/SCHNEIDER-IT-MANAGEMENT-2025-03-11-Graphics-Office-People-9009-150x100.jpg 150w, https:\/\/www.schneider.systems\/media\/2025\/03\/SCHNEIDER-IT-MANAGEMENT-2025-03-11-Graphics-Office-People-9009-768x512.jpg 768w, https:\/\/www.schneider.systems\/media\/2025\/03\/SCHNEIDER-IT-MANAGEMENT-2025-03-11-Graphics-Office-People-9009-1536x1024.jpg 1536w, https:\/\/www.schneider.systems\/media\/2025\/03\/SCHNEIDER-IT-MANAGEMENT-2025-03-11-Graphics-Office-People-9009-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>Feel free to <\/strong><a href=\"https:\/\/www.schneider.systems\/contact\/\"><strong>reach out to us<\/strong><\/a> to <strong>get an individualized simulation<\/strong> for your business case in order to compare all your options and to make an informed decision.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On April 2, 2025, Hotpatching for Windows 11 Enterprise became available, followed by the availability of Hotpatching for Windows Server 2025 on July 1, 2025. This feature is designed to [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":33016,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[164,7],"tags":[],"class_list":["post-58727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-microsoft-windows","category-microsoft-windows-server"],"_links":{"self":[{"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/posts\/58727","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/comments?post=58727"}],"version-history":[{"count":6,"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/posts\/58727\/revisions"}],"predecessor-version":[{"id":58743,"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/posts\/58727\/revisions\/58743"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/media\/33016"}],"wp:attachment":[{"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/media?parent=58727"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/categories?post=58727"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schneider.systems\/lu\/wp-json\/wp\/v2\/tags?post=58727"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}