{"id":2963,"date":"2026-09-14T22:17:53","date_gmt":"2026-09-14T22:17:53","guid":{"rendered":"https:\/\/netguide.io\/news\/2026\/09\/14\/windows-11-auserplanmasiges-update-kb5129195-behebt-remote-desktop-probleme\/"},"modified":"2026-09-14T22:17:53","modified_gmt":"2026-09-14T22:17:53","slug":"windows-11-auserplanmasiges-update-kb5129195-behebt-remote-desktop-probleme","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/de\/2026\/09\/14\/windows-11-auserplanmasiges-update-kb5129195-behebt-remote-desktop-probleme\/","title":{"rendered":"Windows 11: Au\u00dferplanm\u00e4\u00dfiges Update KB5129195 behebt Remote-Desktop-Probleme"},"content":{"rendered":"<div id=\"netgu-1833401545\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p>Microsoft hat zum 14. September 2026 eine Reihe au\u00dferplanm\u00e4\u00dfiger Aktualisierungen f\u00fcr Windows bereitgestellt. F\u00fcr Windows 11 (Versionen 24H2 und 25H2) steht der kumulative Notfall-Patch unter der Kennung KB5129195 zur Verf\u00fcgung. Die Aktualisierung richtet sich vor allem an Anwender und Administratoren, die seit dem regul\u00e4ren Sicherheits-Patchday vom 8. September 2026 mit Fehlern bei Fernwartungs- und Desktop-Sitzungen k\u00e4mpfen.<\/p>\n<h2>Sicherheitsupdate legte Remotedesktopdienste lahm<\/h2>\n<p>Ausl\u00f6ser der Notfallkorrektur waren die Sicherheitsupdates der vergangenen Woche (darunter das Update KB5122878). Nach deren Installation kam es zu schwerwiegenden Fehlern in den Remotedesktopdiensten (Remote Desktop Services, RDS \u2013 ein Windows-Dienst, der Fernzugriffe auf andere Rechner \u00fcber das Netzwerk erm\u00f6glicht). Betroffene Nutzer wurden unvermittelt aus laufenden Sitzungen abgemeldet oder konnten sich gar nicht mehr anmelden.<\/p><div id=\"netgu-729947332\" class=\"netgu-content netgu-entity-placement\"><aside class=\"deals-top deals-top--compact\">\n\n\t\t\t<h3 class=\"deals-top__title\">Top-Deals<\/h3>\n\t\n\t\t\t<ul class=\"deals-top__list\">\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/ugreen-aluminium-tabletstaender-360-drehbar-hoehenverstellbar\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/2825012_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">UGREEN Aluminium Tabletst\u00e4nder | 360\u00b0 Drehbar &amp; H\u00f6henverstellbar<\/span>\n\n\t\t\t\t\t\t\t<span 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class=\"deals-top__name\">Kostenlose Cosmo-Box f\u00fcr Brawl Stars<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t52\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<p class=\"deals-top__more\">\n\t\t\t\t<a href=\"https:\/\/netguide.io\/deals\/\">Alle Deals ansehen \u2192<\/a>\n\t\t\t<\/p>\n\t\t\t<\/aside>\n<\/div>\n<p>Zudem f\u00fchrten die Verbindungsprobleme zu Leistungseinbr\u00fcchen auf Servern sowie zu Abst\u00fcrzen administrativer Werkzeuge: Die Microsoft Management Console (MMC), das Diagnosewerkzeug f\u00fcr RDS-Lizenzen, der Windows-Explorer und die Windows-Update-Seite reagierten teils nicht mehr. Da ein zuvor von Microsoft bereitgestellter automatischer Korrekturmechanismus (Known Issues Rollback, KIR) nicht in allen Umgebungen Abhilfe schuf, schob der Hersteller nun vollwertige Out-of-Band-Updates nach, wie <a href=\"https:\/\/borncity.com\/blog\/2026\/09\/14\/windows-out-of-band-update-korrigiert-rds-probleme-14-9-2026\/\" rel=\"nofollow noopener\">Borns IT- und Windows-Blog<\/a> berichtet.<\/p>\n<h2>Korrekturen f\u00fcr Hyper-V und USB-Audio<\/h2>\n<p>Neben den Problemen mit Remotedesktopverbindungen behebt das Update KB5129195 zwei weitere Fehler:<\/p>\n<ul>\n<li><strong>Hyper-V-Freigaben:<\/strong> In Anwendungen, die virtuelle Maschinen \u00fcber den Host Compute Service (HCS) steuern, wurden freigegebene Windows-Ordner unter Verwendung des Plan9-Protokolls in Linux-Gastsitzungen nicht angezeigt oder waren blockiert. Dieser Zugriff funktioniert nach dem Update wieder regul\u00e4r.<\/li>\n<li><strong>Mehrkanal-Ton:<\/strong> Bei bestimmten USB-Audio-Ger\u00e4ten des Standards Audio Class 1.0 traten Fehler auf, sobald 8-Kanal- oder 3D-Audiomodi aktiviert wurden, w\u00e4hrend normaler Stereoton ordnungsgem\u00e4\u00df lief. Andere bekannte Audiofehler dieses Typs bleiben vorerst jedoch ungel\u00f6st.<\/li>\n<\/ul>\n<h2>Verf\u00fcgbarkeit und Handlungsempfehlungen<\/h2>\n<p>Neben Windows 11 stellt Microsoft analoge Korrekturen auch f\u00fcr \u00e4ltere Betriebssysteme bereit: Windows 10 (21H2 bis 22H2) erh\u00e4lt das Update KB5129236, f\u00fcr Windows Server 2016 bis Windows Server 2025 stehen die Pakete KB5129235 bis KB5129239 bereit. Auch f\u00fcr Windows Server 2012 und 2012 R2 gibt es entsprechende Patches.<\/p>\n<p>Die Updates werden schrittweise \u00fcber Windows Server Update Services (WSUS) verteilt und stehen zudem manuell im Microsoft Update Catalog bereit. Nutzer und IT-Verantwortliche, die auf Remote-Desktop-Verbindungen angewiesen sind oder von den genannten Virtualisierungs- und Audioproblemen betroffen sind, sollten das Update zeitnah einspielen. Wer Windows 11 als reinen Einzelplatz-PC ohne Fernwartungsdienste nutzt, kann die manuelle Installation abwarten.<\/p>\n<p><em>Quellen: <a href=\"https:\/\/stadt-bremerhaven.de\/windows-11-microsoft-verteilt-ausserplanmaessiges-update-kb5129195\/\" rel=\"nofollow noopener\" target=\"_blank\">Stadt-Bremerhaven<\/a>, <a href=\"https:\/\/borncity.com\/blog\/2026\/09\/14\/windows-out-of-band-update-korrigiert-rds-probleme-14-9-2026\/\" rel=\"nofollow noopener\" target=\"_blank\">Borncity.com\/blog<\/a><\/em><\/p>\n<div id=\"netgu-1056939043\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Microsoft hat mit KB5129195 ein au\u00dferplanm\u00e4\u00dfiges Update f\u00fcr Windows 11 ver\u00f6ffentlicht. Der Notfall-Patch korrigiert schwerwiegende St\u00f6rungen bei Remotedesktop-Verbindungen, die durch den regul\u00e4ren September-Patchday entstanden waren.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13],"tags":[],"class_list":["post-2963","post","type-post","status-publish","format-standard","hentry","category-news"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/2963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/comments?post=2963"}],"version-history":[{"count":0,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/2963\/revisions"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media?parent=2963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=2963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=2963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}