{"id":60509,"date":"2026-04-20T13:15:06","date_gmt":"2026-04-20T13:15:06","guid":{"rendered":"https:\/\/www.threatshub.org\/blog\/microsoft-releases-windows-server-update-fix-to-fix-its-april-update-fixes\/"},"modified":"2026-04-20T13:15:06","modified_gmt":"2026-04-20T13:15:06","slug":"microsoft-releases-windows-server-update-fix-to-fix-its-april-update-fixes","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/microsoft-releases-windows-server-update-fix-to-fix-its-april-update-fixes\/","title":{"rendered":"Microsoft releases Windows Server update fix to fix its April update fixes"},"content":{"rendered":"<p>Microsoft has pushed out an out-of-band update to address the restart loop that hit some Windows Server devices after its April update.<\/p>\n<p>The <a target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/learn.microsoft.com\/en-us\/windows\/release-health\/windows-message-center#4835\">fix<\/a> will spare administrators the headache of forced server restarts after installing the April 2026 update. (A reminder that deploying any Microsoft update directly to production without thorough testing is, to put it charitably, a bold life choice.)<\/p>\n<p><a target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/learn.microsoft.com\/en-gb\/windows\/release-health\/status-windows-server-2025#4833msgdesc\">Microsoft<\/a> said of the botched update, &#8220;After installing the April 2026 Windows security update (KB5082063) and rebooting, domain controllers (DCs) in environments with multiple domains in the forest that use Privileged Access Management (PAM), might experience LSASS crashes during startup.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"condor\" data-xsm=\",fluid,mpu,dmpu,\" data-sm=\",fluid,mpu,dmpu,\" data-md=\",fluid,mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_software\/oses&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2aeZXlRXWRZyNs0i1r9DGTAAAAkE&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" target=\"_blank\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_software\/oses&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=2&amp;c=2aeZXlRXWRZyNs0i1r9DGTAAAAkE&amp;t=ct%3Dns%26unitnum%3D2%26raptor%3Dcondor%26pos%3Dtop%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>&#8220;As a result, affected DCs may restart repeatedly, preventing authentication and directory services from functioning, and potentially rendering the domain unavailable.&#8221;<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xmd=\",fluid,mpu,leaderboard,\" data-lg=\",fluid,mpu,leaderboard,\" data-xlg=\",fluid,billboard,superleaderboard,mpu,leaderboard,\" data-xxlg=\",fluid,billboard,superleaderboard,brandwidth,brandimpact,leaderboard,mpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_software\/oses&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44aeZXlRXWRZyNs0i1r9DGTAAAAkE&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_software\/oses&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44aeZXlRXWRZyNs0i1r9DGTAAAAkE&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<div class=\"adun_eagle_desktop_story_wrapper\">\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"mid\" data-raptor=\"eagle\" data-xxlg=\",mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_software\/oses&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33aeZXlRXWRZyNs0i1r9DGTAAAAkE&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" target=\"_blank\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_software\/oses&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=3&amp;c=33aeZXlRXWRZyNs0i1r9DGTAAAAkE&amp;t=ct%3Dns%26unitnum%3D3%26raptor%3Deagle%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<\/p><\/div>\n<p>A Windows domain outage can have serious consequences. Any resource requiring authentication &#8211; network shares for example &#8211; may become inaccessible.<\/p>\n<div class=\"promo_article\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/regmedia.co.uk\/2024\/02\/07\/angry_shutterstock.jpg?x=174&amp;amp;y=115&amp;amp;crop=1\" width=\"174\" height=\"115\" alt=\"angry\"><\/p>\n<h2 title=\"Patch Tuesday often gets blamed when a reboot merely exposes damage already done, according to Chen\">Microsoft veteran says some &#8216;broken by update&#8217; PCs were already doomed<\/h2>\n<p><a href=\"https:\/\/www.theregister.com\/2026\/04\/02\/chen_windows_updates\/\"><span>READ MORE<\/span><\/a><\/div>\n<p>The issue affected Windows Server 2016 through 2025, and was serious enough that Microsoft issued an out-of-band update, with hotpatches also available.<\/p>\n<p>The fixes also address failed installations, though a Domain Controller restarting unexpectedly is the likelier source of panicked support tickets from users locked out of critical resources.<\/p>\n<p>Only Windows Servers were affected by the restart issue; Windows devices dodged the update bullet this time. But there is a <a target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/support.microsoft.com\/en-gb\/topic\/april-14-2026-kb5083769-os-builds-26200-8246-and-26100-8246-22f90ae5-9f26-40ac-9134-6a586a71163b\">known issue<\/a> with the April update where &#8220;some devices with an unrecommended BitLocker Group Policy configuration might be required to enter their BitLocker recovery key on the first restart after installing this update.&#8221;<\/p>\n<p>The problem should affect only enterprise devices.<\/p>\n<p>Out-of-band updates, which should be the exception rather than the norm, have become a way of life for Windows administrators. Microsoft had to issue one in March after <a target=\"_blank\" href=\"https:\/\/www.theregister.com\/2026\/03\/23\/emergency_fix_windows_11\/\">breaking app sign-in<\/a> with a Microsoft account, and it had to put out another out-of-band in April to address the <a target=\"_blank\" href=\"https:\/\/support.microsoft.com\/en-us\/topic\/april-19-2026-kb5091575-os-build-20348-5024-out-of-band-4a5a784e-e50a-4358-8093-b1654aecdbd1\">domain controller<\/a> restart problem.<\/p>\n<div aria-hidden=\"true\" class=\"adun\" data-pos=\"top\" data-raptor=\"falcon\" data-xsm=\",fluid,mpu,dmpu,\" data-sm=\",fluid,mpu,dmpu,\" data-md=\",fluid,mpu,dmpu,\"> <noscript> <a href=\"https:\/\/pubads.g.doubleclick.net\/gampad\/jump?co=1&amp;iu=\/6978\/reg_software\/oses&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44aeZXlRXWRZyNs0i1r9DGTAAAAkE&amp;t=ct%3Dns%26unitnum%3D4%26raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" target=\"_blank\"> <img decoding=\"async\" src=\"https:\/\/pubads.g.doubleclick.net\/gampad\/ad?co=1&amp;iu=\/6978\/reg_software\/oses&amp;sz=300x50%7C300x100%7C300x250%7C300x251%7C300x252%7C300x600%7C300x601&amp;tile=4&amp;c=44aeZXlRXWRZyNs0i1r9DGTAAAAkE&amp;t=ct%3Dns%26unitnum%3D426raptor%3Dfalcon%26pos%3Dmid%26test%3D0\" alt> <\/a> <\/noscript> <\/div>\n<p>Affected users could be forgiven for thinking &#8220;out-of-band&#8221; is starting to sound a lot like &#8220;out of control&#8221; as far as Microsoft&#8217;s quality control is concerned. \u00ae<\/p>\n<p> READ MORE <a href=\"https:\/\/go.theregister.com\/feed\/www.theregister.com\/2026\/04\/20\/microsoft_releases_a_windows_server_update_fix\/\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Out-of-band or out of control? Microsoft has pushed out an out-of-band update to address the restart loop that hit some Windows Server devices after its April update.\u2026  READ MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[63],"tags":[],"class_list":["post-60509","post","type-post","status-publish","format-standard","hentry","category-the-register"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microsoft releases Windows Server update fix to fix its April update fixes 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta 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