{"id":1313873,"date":"2026-09-15T10:00:37","date_gmt":"2026-09-15T04:30:37","guid":{"rendered":"https:\/\/trak.in\/stories\/?p=1313873"},"modified":"2026-09-15T10:00:53","modified_gmt":"2026-09-15T04:30:53","slug":"microsoft-warns-september-windows-update-could-break-remote-desktop-services","status":"publish","type":"post","link":"https:\/\/trak.in\/stories\/microsoft-warns-september-windows-update-could-break-remote-desktop-services\/","title":{"rendered":"Microsoft Warns September Windows Update Could Break Remote Desktop Services"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>Microsoft has confirmed that its September 2026 security updates can cause <strong>Remote Desktop Services (RDS)<\/strong> to become unstable, potentially disrupting remote access to Windows PCs and servers. The issue has been reported across multiple Windows versions and can leave administrators unable to connect to affected systems.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"595\" src=\"https:\/\/trak.in\/stories\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-15-at-9.59.28-AM-1024x595.png\" alt=\"Microsoft Warns September Windows Update Could Break Remote Desktop Services\" class=\"wp-image-1313884\" srcset=\"https:\/\/trak.in\/stories\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-15-at-9.59.28-AM-1024x595.png 1024w, https:\/\/trak.in\/stories\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-15-at-9.59.28-AM-300x174.png 300w, https:\/\/trak.in\/stories\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-15-at-9.59.28-AM-768x446.png 768w, https:\/\/trak.in\/stories\/wp-content\/uploads\/2026\/09\/Screenshot-2026-09-15-at-9.59.28-AM.png 1146w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">RDP Connections Can Suddenly Fail<\/h2>\n\n\n\n<p>The problem may not appear immediately after installation. In affected environments, Remote Desktop connections can work normally before failing after several minutes. Users may encounter sign-in failures, while servers can become stuck at the <a href=\"https:\/\/cybersecuritynews.com\/remote-desktop-services-stop-working\/#google_vignette\"><strong>\u201cPlease wait for the Remote Desktop Configuration\u201d<\/strong> screen.<\/a><\/p>\n\n\n\n<p>The issue can also affect related administration tools. Microsoft has reported cases where Microsoft Management Console, RDS Licensing Diagnoser and File Explorer become unresponsive. Even the Windows Update interface may stop responding and remain stuck on a loading screen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Windows Server Versions Affected<\/h2>\n\n\n\n<p>The problem has been associated with September&#8217;s cumulative security updates for <strong>Windows Server 2012 and later<\/strong>, including Windows Server 2019, 2022 and 2025. Certain supported Windows 10 and Windows 11 versions are also affected.<\/p>\n\n\n\n<p>For administrators managing remote infrastructure, the failure is particularly disruptive because RDP is often the primary method used to remotely access and troubleshoot servers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Microsoft Releases Emergency Fixes<\/h2>\n\n\n\n<p>Microsoft has already started releasing <strong>out-of-band updates<\/strong> to address the RDS problem. For example, KB5129237 fixes the issue on Windows Server 2022, while KB5129238 addresses it on Windows Server 2019.<\/p>\n\n\n\n<p>Microsoft&#8217;s release-health documentation describes the issue as mitigated or resolved for systems covered by the relevant emergency updates.<\/p>\n\n\n\n<p>Before those fixes became available, Microsoft suggested that administrators dealing with inaccessible virtual machines could temporarily stop or deallocate and then restart the affected machine to restore RDP connectivity. However, this approach can cause service interruption and was not considered a permanent solution.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Security Updates Created an Access Problem<\/h2>\n\n\n\n<p>The incident highlights a difficult situation for IT teams. The September updates were released as security patches, meaning organisations cannot simply ignore them because of the RDS regression.<\/p>\n\n\n\n<p>Administrators therefore need to balance security patching with remote-access availability, particularly for production servers that depend heavily on RDP for management.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Summary<\/h3>\n\n\n\n<p>Microsoft confirmed that September 2026 Windows security updates could cause Remote Desktop Services to fail, resulting in broken RDP connections, sign-in problems and unresponsive servers. The company has released emergency out-of-band updates for affected Windows versions, providing organisations with a permanent path to resolve the issue.<\/p>\n\n\n\n<p><a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/remote\/remote-desktop-services\/remotepc\/uninstall-remote-desktop-connection?tabs=gui\">Image Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft has confirmed that its September 2026 security updates can cause Remote Desktop Services (RDS) to become unstable, potentially disrupting remote access to Windows PCs and servers. The issue has been reported across multiple Windows versions and can leave administrators unable to connect to affected systems. RDP Connections Can Suddenly Fail The problem may not [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":1313884,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[21],"tags":[109,3617],"class_list":["post-1313873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-business","tag-microsoft","tag-remote-work"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Microsoft Warns September Windows Update Could Break Remote Desktop Services - Trak.in - Indian Business of Tech, Mobile &amp; Startups<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trak.in\/stories\/microsoft-warns-september-windows-update-could-break-remote-desktop-services\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Microsoft Warns September Windows Update Could Break Remote Desktop Services - Trak.in - Indian Business of Tech, Mobile &amp; Startups\" \/>\n<meta property=\"og:description\" content=\"Microsoft has confirmed that its September 2026 security updates can cause Remote Desktop Services (RDS) to become unstable, potentially disrupting remote access to Windows PCs and servers. 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