{"id":1445,"date":"2024-05-06T16:01:26","date_gmt":"2024-05-06T16:01:26","guid":{"rendered":"https:\/\/windowsreport.com\/se\/?p=1445"},"modified":"2025-09-26T17:36:41","modified_gmt":"2025-09-26T14:36:41","slug":"windows-11-l2tp-vpn-fungerar-inte-hur-man-atgardar-det","status":"publish","type":"post","link":"https:\/\/windowsreport.com\/se\/windows-11-l2tp-vpn-fungerar-inte-hur-man-atgardar-det\/","title":{"rendered":"Windows 11 L2TP VPN fungerar inte: Hur man \u00e5tg\u00e4rdar det"},"content":{"rendered":"\n<p>VPN: er \u00e4r utm\u00e4rkta tj\u00e4nster f\u00f6r att tillhandah\u00e5lla en krypterad anslutning \u00f6ver Internet. Tyv\u00e4rr har L2TP VPN som inte fungerar p\u00e5 Windows 11 blivit ett utbrett problem nyligen, och m\u00e5nga anv\u00e4ndare st\u00f6tte p\u00e5 <em>Kan inte ansluta till VPN. L2TP-anslutningsf\u00f6rs\u00f6ket misslyckades<\/em> n\u00e4r de f\u00f6rs\u00f6kte ansluta till VPN.<\/p>\n\n\n\n<p>Det h\u00e4r felet uppst\u00e5r precis efter installation av den nya uppdateringskorrigeringen f\u00f6r Microsoft KB5009543. I det h\u00e4r fallet misslyckas Windows VPN med att uppr\u00e4tta en s\u00e4ker anslutning till servern via Layer Two Tunneling Protocol (L2TP). Internetleverant\u00f6rer anv\u00e4nder detta protokoll f\u00f6r att utl\u00f6sa VPN-anslutningar.<\/p>\n\n\n\n<p>Felet uppst\u00e5r fr\u00e5n b\u00e5de VPN och Windows. S\u00e5 det \u00e4r viktigt att kontrollera felens k\u00e4llor och orsaker innan du vidtar n\u00e5gra \u00e5tg\u00e4rder. Den h\u00e4r guiden visar hur du fels\u00f6ker det h\u00e4r problemet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Varf\u00f6r visas L2TP-anslutningsfelmeddelandet?<\/h3>\n\n\n\n<p>Detta felmeddelande \u00e4r ett av de vanligaste felen vid anslutning till L2TP. Den fr\u00e4msta anledningen till att det h\u00e4r felet visas \u00e4r att du inte har konfigurerat anslutningen korrekt f\u00f6r att ansluta till L2TP-servern.<\/p>\n\n\n\n<p>P\u00e5 motsvarande s\u00e4tt svarar inte servern. En annan m\u00f6jlig orsak \u00e4r att CHAP v2-protokollet \u00e4r inaktiverat. L2TP-anslutningsfelmeddelandet visas ocks\u00e5 av f\u00f6ljande sk\u00e4l:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li> Felaktiga serverinst\u00e4llningar<\/li>\n\n\n\n<li> Blockerad anslutning av antivirus eller brandv\u00e4gg<\/li>\n\n\n\n<li> Ett fr\u00e5nvarande maskincertifikat p\u00e5 VPN-servern<\/li>\n\n\n\n<li> VPN eller klient ligger bakom NAT<\/li>\n<\/ul>\n\n\n\n<p>Detta fel rapporteras av m\u00e5nga anv\u00e4ndare n\u00e4r de f\u00f6rs\u00f6ker ansluta sin VPN. Om du st\u00e4ller in VPN-konfigurationen manuellt, kontrollera att du anv\u00e4nder en f\u00f6rdelad nyckel.<\/p>\n\n\n\n<p>S\u00e5 se till att du aktiverar L2TP-konfigurationer i routern. Om ingen av dem fungerar ger vi dig l\u00f6sningar f\u00f6r att fixa att Windows 11 L2TP VPN inte fungerar. L\u00e5t oss b\u00f6rja.<\/p>\n\n\n\n<p>Flera anv\u00e4ndare klagar p\u00e5 att detta felmeddelande visas n\u00e4r de nyligen anv\u00e4nde en inbyggd Microsoft VPN, efter Microsofts uppdateringspaket.<\/p>\n\n\n\n<p>S\u00e5 l\u00f6sningarna f\u00f6r att l\u00f6sa det h\u00e4r problemet \u00e4r enkla. Faktum \u00e4r att det finns sex metoder f\u00f6r att l\u00f6sa det h\u00e4r problemet. L\u00e5t oss dyka in i dem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vad kan jag g\u00f6ra om Windows 11:s L2TP VPN inte fungerar?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Avinstallera uppdateringspaketet KB5009543 <\/h3>\n\n\n\t\t<section class=\"note-box\">\n\t\t\t<div class=\"note-box__icon\">\n\t\t\t\t<img decoding=\"async\" src=\"https:\/\/windowsreport.com\/se\/wp-content\/themes\/windowsreport\/assets\/images\/svg\/note-pencil.svg\" alt=\"Note icon\" \/>\n\t\t\t\t<span>NOTE<\/span>\n\t\t\t<\/div>\n\t\t\t<div class=\"note-box__content\">\n\t\t\t\tAtt avinstallera uppdateringar skulle ta bort tidigare s\u00e5rbarhetskorrigeringar. Vidta n\u00f6dv\u00e4ndiga s\u00e4kerhets\u00e5tg\u00e4rder innan du g\u00f6r det.\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n\n\n<ol class=\"wp-block-list\">\n<li> \u00d6ppna f\u00f6rst <strong>Inst\u00e4llningar<\/strong> genom att trycka p\u00e5 <kbd>Windows<\/kbd> + <kbd>I-<\/kbd> tangenterna eller genom att h\u00f6gerklicka p\u00e5 <em>Start-menyn<\/em> och v\u00e4lja <strong>Inst\u00e4llningar<\/strong> .<\/li>\n\n\n\n<li> V\u00e4lj nu <strong>Windows Update<\/strong> och v\u00e4lj sedan <em>Uppdateringshistorik.<\/em><a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Update-history-in-Windows-Update.png\"><img decoding=\"async\" class=\"wp-image-859012\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Update-history-in-Windows-Update.png\" alt=\"Uppdateringshistorik i Windows Update\"><\/a><\/li>\n\n\n\n<li> Genom att v\u00e4lja det h\u00e4r alternativet kommer du att se en lista \u00f6ver Windows-uppdateringar. Rulla ner i listan och klicka p\u00e5 <strong>Avinstallera uppdateringar<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Unistalling-updates-to-fix-windows-11-l2tp-vpn-not-working.png\"><img decoding=\"async\" class=\"wp-image-859014\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Unistalling-updates-to-fix-windows-11-l2tp-vpn-not-working.png\" alt=\"Avinstallera uppdateringar f\u00f6r att fixa windows 11 l2tp vpn fungerar inte\"><\/a><\/li>\n\n\n\n<li> H\u00f6gerklicka p\u00e5 <strong>KB5009543-<\/strong> uppdateringspaketet och v\u00e4lj <em>Avinstallera<\/em> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Uninstalling-KB5009543.png\"><img decoding=\"async\" class=\"wp-image-859015\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Uninstalling-KB5009543.png\" alt=\"Avinstallerar KB5009543\"><\/a><\/li>\n\n\n\n<li> Starta om din dator.<\/li>\n<\/ol>\n\n\n\n<p>Eftersom problemet uppst\u00e5r fr\u00e5n den senaste uppdateringen som Windows erbjuder f\u00f6r s\u00e4kerhetsuppdateringar, \u00e4r den h\u00e4r metoden det enklaste s\u00e4ttet att fixa problem med L2TP VPN som inte fungerar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Installera om VPN-n\u00e4tverksadaptern<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li> \u00d6ppna dialogrutan K\u00f6r genom att trycka p\u00e5 <kbd>Windows<\/kbd> + <kbd>R<\/kbd> genv\u00e4gstangenter.<\/li>\n\n\n\n<li> F\u00f6r att \u00f6ppna <strong>Enhetshanteraren<\/strong> , skriv <em>devmgmt.msc<\/em> i rutan och klicka p\u00e5 <strong>OK<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-Device-Manager-in-Windows-11.jpg\"><img decoding=\"async\" class=\"wp-image-859018\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-Device-Manager-in-Windows-11.jpg\" alt=\"G\u00e5 till Enhetshanteraren i Windows 11\"><\/a><\/li>\n\n\n\n<li> Leta efter din <strong>VPN-n\u00e4tverksadapter<\/strong> i listan <em>N\u00e4tverkskort<\/em> och h\u00f6gerklicka sedan p\u00e5 den<strong> <\/strong>och v\u00e4lj <em>Avinstallera enhet<\/em> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Uninstalling-Device.png\"><img decoding=\"async\" class=\"wp-image-862005\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Uninstalling-Device.png\" alt=\"Avinstallerar enhet\"><\/a><\/li>\n\n\n\n<li> Starta om din dator.<\/li>\n\n\n\n<li> Installera om ditt VPN.<\/li>\n<\/ol>\n\n\n\n<p>N\u00e4tverksadaptern \u00e4r en av orsakerna till att <em>L2TP-anslutningsf\u00f6rs\u00f6ket misslyckades<\/em> . Du kan l\u00f6sa det h\u00e4r problemet genom att helt enkelt installera om n\u00e4tverksadapterns drivrutiner. Kontrollera nu om problemet har l\u00f6sts. Om inte, forts\u00e4tt till n\u00e4sta l\u00f6sning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Aktivera Microsoft MS-CHAP v2-protokollet<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li> Tryck p\u00e5 <kbd>Windows<\/kbd> + <kbd>R<\/kbd> snabbtangenter f\u00f6r att \u00f6ppna dialogrutan <strong>K\u00f6r<\/strong> .<\/li>\n\n\n\n<li> Skriv sedan <strong>ncpa.cpl<\/strong> och tryck p\u00e5 <kbd>Enter<\/kbd> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-ncpa-cpl.jpg\"><img decoding=\"async\" class=\"wp-image-859024\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-ncpa-cpl.jpg\" alt=\"G\u00e5 till ncpa cpl\"><\/a><\/li>\n\n\n\n<li> I f\u00f6nstret <strong>N\u00e4tverksanslutningar<\/strong> h\u00f6gerklickar du p\u00e5 din <em>VPN-anslutning<\/em> och v\u00e4ljer alternativet <strong>Egenskaper<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-VPN-properties-2.png\"><img decoding=\"async\" class=\"wp-image-862002\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-VPN-properties-2.png\" alt=\"G\u00e5 till VPN-egenskaper\"><\/a><\/li>\n\n\n\n<li> G\u00e5 till fliken <strong>S\u00e4kerhet<\/strong> och v\u00e4lj alternativet <em>Till\u00e5t dessa protokoll<\/em> och markera sedan rutan <strong>Microsoft-CHAP version 2<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/tick-the-Microsoft-CHAP-Version-2-box-to-fix-L2TP-error-in-Windows-11.png\"><img decoding=\"async\" class=\"wp-image-862006\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/tick-the-Microsoft-CHAP-Version-2-box-to-fix-L2TP-error-in-Windows-11.png\" alt=\"kryssa i rutan&nbsp;Microsoft-CHAP Version 2 f\u00f6r att fixa L2TP-fel i Windows 11\"><\/a><\/li>\n\n\n\n<li> V\u00e4lj <strong>OK<\/strong> och \u00e5teranslut till ditt VPN.<\/li>\n<\/ol>\n\n\n\n<p>Challenge-Handshake Authentication Protocol (CHAP) \u00e4r ett autentiseringsprotokoll som verifierar anv\u00e4ndare eller v\u00e4rdar f\u00f6r att f\u00f6rhindra n\u00e4tverksattacker. Ibland kan aktivering av det h\u00e4r protokollet g\u00f6ra det m\u00f6jligt f\u00f6r oss att l\u00f6sa problemet med att Windows 11 L2TP VPN inte fungerar.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Anv\u00e4nd en tredjeparts VPN<\/h3>\n\n\n\n<p><a href=\"https:\/\/out.reflectormedia.com\/c?o=20566311&amp;m=17686&amp;a=758367&amp;aff_sub1=[current_url]&amp;aff_sub2=Native_CTA\" target=\"_blank\" rel=\"noreferrer noopener sponsored nofollow\">Private Internet Access (PIA)<\/a> \u00e4r en VPN med ett antal nyckelfunktioner, varav en \u00e4r kompatibilitet med alla operativsystem och plattformar. Denna kompatibilitet har gjort det m\u00f6jligt f\u00f6r PIA-kunder att anv\u00e4nda programvaran utan att st\u00f6ta p\u00e5 Windows-relaterade fel som L2TP p\u00e5 Windows 11.<\/p>\n\n\n\n<p>F\u00f6r att inte n\u00e4mna att den har en no-logs-policy, vilket inneb\u00e4r att den inte samlar in data eller beh\u00e5ller n\u00e5gon webbhistorik fr\u00e5n kunder, vilket g\u00f6r den till en av de s\u00e4kraste VPN:erna som finns tillg\u00e4ngliga.<\/p>\n\n\n\n<p>Dessutom har PIA-mjukvaran ett mycket enkelt anv\u00e4ndargr\u00e4nssnitt som \u00e4r l\u00e4tt att konfigurera. Sist men inte minst inkluderar denna VPN en kill-switch, delad tunnling, torrentingst\u00f6d och andra funktioner som s\u00e4kerst\u00e4ller att anv\u00e4ndaren kan anv\u00e4nda den utan n\u00e5gon oro.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Skapa en ny UDP-registernyckel<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li> \u00d6ppna <strong>K\u00f6r<\/strong> genom att trycka p\u00e5 tangentkombinationen <kbd>Windows<\/kbd> + <kbd>R.<\/kbd><\/li>\n\n\n\n<li> Efter det, skriv <strong>Regedit<\/strong> och v\u00e4lj <em>OK<\/em> f\u00f6r att \u00f6ppna <strong>Windows-registret<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-registry-by-typing-Regedit-in-Run.jpg\"><img decoding=\"async\" class=\"wp-image-859027\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-registry-by-typing-Regedit-in-Run.jpg\" alt=\"G\u00e5 till registret genom att skriva Regedit i K\u00f6r\"><\/a><\/li>\n\n\n\n<li> N\u00e4r <em>Registereditorns<\/em> f\u00f6nster dyker upp, g\u00e5 till f\u00f6ljande katalog: <code><strong>HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesPolicyAgent<\/strong><\/code><\/li>\n\n\n\n<li> Klicka nu p\u00e5 <strong>menyn Redigera<\/strong> , v\u00e4lj <em>Nytt<\/em> och v\u00e4lj sedan <strong>DWORD-v\u00e4rde (32-bitars)<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Create-new-key-in-registry.png\"><img decoding=\"async\" class=\"wp-image-862012\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Create-new-key-in-registry.png\" alt=\"Skapa ny nyckel i registret\"><\/a><\/li>\n\n\n\n<li> Efter det byter du namn p\u00e5 v\u00e4rdet till <strong>AssumeUDPEncapsulationContextOnSendRule<\/strong> och trycker p\u00e5 <kbd>Enter<\/kbd> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/AssumeUDPEncapsulationContextOnSendRule.png\"><img decoding=\"async\" class=\"wp-image-859030\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/AssumeUDPEncapsulationContextOnSendRule.png\" alt=\"AssumeUDPEncapsulationContextOnSendRule\"><\/a><\/li>\n\n\n\n<li> Dubbelklicka nu p\u00e5 v\u00e4rdet du just skapade, st\u00e4ll in <strong>V\u00e4rdedata<\/strong> till <em>2<\/em> och tryck p\u00e5 <kbd>Enter<\/kbd> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Set-Value-to-2.png\"><img decoding=\"async\" class=\"wp-image-859032\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Set-Value-to-2.png\" alt=\"St\u00e4ll in v\u00e4rde p\u00e5 2 f\u00f6r att fixa att L2TP VPN inte fungerar i Windows 11\"><\/a><\/li>\n\n\n\n<li> Starta om din dator.<\/li>\n<\/ol>\n\n\n\n<p>Ibland kan VPN inte ansluta p\u00e5 grund av registernyckeln. Detta beror p\u00e5 att all viktig information och inst\u00e4llningar relaterade till VPN lagras i registernycklar.<\/p>\n\n\n\n<p>L\u00f6sningen \u00e4r d\u00e5 att \u00e4ndra dem genom att skapa ett nytt UDP Encapsulation-register. Kontrollera nu om L2TP VPN-felet inte fungerar i din Windows 11-dator har \u00e5tg\u00e4rdats. <\/p>\n\n\n\n\n\n<h3 class=\"wp-block-heading\">6. Inaktivera leverant\u00f6rs-ID<\/h3>\n\n\n\n<p>N\u00e4r din dator installerar Windows KB5009543-paketet fungerar inte l\u00e4ngre IPSEC-anslutningar. Microsoft rekommenderar att du inaktiverar leverant\u00f6rs-ID i inst\u00e4llningen p\u00e5 serversidan f\u00f6r att \u00e5tg\u00e4rda det h\u00e4r problemet.<\/p>\n\n\n\n<p>Beroende p\u00e5 vilket VPN du anv\u00e4nder, varierar inaktivering av leverant\u00f6rs-ID fr\u00e5n en server till en annan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. Aktivera LCP-protokolltill\u00e4ggen<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li> Tryck p\u00e5 tangentkombinationen <kbd>Windows<\/kbd> + <kbd>R<\/kbd> f\u00f6r att \u00f6ppna <strong>K\u00f6r<\/strong> , skriv sedan <em>ncpa.cpl<\/em> och klicka p\u00e5 <strong>OK<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Open-ncpa-cpl.jpg\"><img decoding=\"async\" class=\"wp-image-859035\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Open-ncpa-cpl.jpg\" alt=\"\u00d6ppna ncpa cpl\"><\/a><\/li>\n\n\n\n<li> H\u00f6gerklicka nu p\u00e5 din <em>VPN-<\/em> <strong>anslutning i f\u00f6nstret N\u00e4tverksanslutning<\/strong> och v\u00e4lj <strong>Egenskaper<\/strong> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-VPN-Properties.png\"><img decoding=\"async\" class=\"wp-image-859036\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Go-to-VPN-Properties.png\" alt=\"G\u00e5 till VPN-egenskaper\"><\/a><\/li>\n\n\n\n<li> I det h\u00e4r steget, navigera till fliken <strong>Alternativ<\/strong> och klicka p\u00e5 knappen <em>PPP-inst\u00e4llningar<\/em> . <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/PPP-Settings-1.png\"><img decoding=\"async\" class=\"wp-image-859046\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/PPP-Settings-1.png\" alt=\"G\u00e5 till PPP-inst\u00e4llningar f\u00f6r att fixa att L2TP VPN inte fungerar i Windows 11\"><\/a><\/li>\n\n\n\n<li> Markera rutan <strong>Aktivera LCP-till\u00e4gg<\/strong> och klicka sedan p\u00e5 <em>OK<\/em> och g\u00e5 till det sista steget. <a href=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Enable-LCP-extentions.png\"><img decoding=\"async\" class=\"wp-image-859040\" style=\"width: 900px\" src=\"https:\/\/windowsreport.com\/wp-content\/uploads\/2022\/03\/Enable-LCP-extentions.png\" alt=\"Aktivera LCP-utvidgningar f\u00f6r att adressera L2TP VPN fungerar inte i Windows 11\"><\/a><\/li>\n\n\n\n<li> \u00c5teranslut till ditt VPN och kontrollera om problemet \u00e4r l\u00f6st.<\/li>\n<\/ol>\n\n\n\n<p>Link Control Protocol (LCP) anv\u00e4nds f\u00f6r att uppr\u00e4tta, konfigurera och testa data i PPP-inst\u00e4llningen. Men ibland misslyckas L2TP-anslutningen p\u00e5 grund av till exempel tredje part.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hur fungerar L2TP?<\/h3>\n\n\n\n<p>Layer 2 Tunneling Protocol ansluter VPN-klient till VPN-server genom att tilldela en IP-adress till varje anv\u00e4ndare. Den anv\u00e4nder tv\u00e5 \u00e4ndpunkter f\u00f6r att uppr\u00e4tta en tunnel.<\/p>\n\n\n\n<p>N\u00e4r v\u00e4l anslutningen mellan de tv\u00e5 \u00e4ndpunkterna har uppr\u00e4ttats inkapslas PPP-skiktet f\u00f6r att \u00f6verf\u00f6ra multiprotokolldata. D\u00e4refter utl\u00f6ser ISP en PPP-anslutning.<\/p>\n\n\n\n<p>Efter initiering av PPP-anslutningen accepterar en slutpunkt anslutningen. D\u00e4refter tilldelas en lucka i tunneln. S\u00e5 anslutningen v\u00e4ntar p\u00e5 att den andra slutpunkten ska svara.<\/p>\n\n\n\n<p>Under tiden verifieras anslutningen och ett virtuellt PPP-gr\u00e4nssnitt skapas. N\u00e4r denna process \u00e4r klar r\u00f6r sig l\u00e4nkramarna genom tunneln. Slutligen accepterar den andra \u00e4ndpunkten ramarna och tar bort L2TP-inkapsling.<\/p>\n\n\n\n<p> Windows 11 senaste kumulativa uppdatering KB5009543 hindrar VPN fr\u00e5n att uppr\u00e4tta en anslutning och visar anv\u00e4ndarna <em>L2TP-anslutningsf\u00f6rs\u00f6ket misslyckades<\/em> felmeddelande.<\/p>\n\n\n\n<p>F\u00f6rhoppningsvis finns det n\u00e5gra l\u00f6sningar f\u00f6r att l\u00f6sa det h\u00e4r problemet. Det snabbaste s\u00e4ttet att fixa att Windows 11 L2TP VPN inte fungerar \u00e4r dock att avinstallera KB5009543-uppdateringspaketet.<\/p>\n\n\n\n<p>Observera att om du har problem med L2TP p\u00e5 Windows 10 kan l\u00f6sningarna vara n\u00e5got annorlunda. L\u00e5t oss veta vilken som fungerade f\u00f6r dig i kommentarsf\u00e4ltet nedan.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>VPN: er \u00e4r utm\u00e4rkta tj\u00e4nster f\u00f6r att tillhandah\u00e5lla en krypterad anslutning \u00f6ver Internet. Tyv\u00e4rr har L2TP VPN som inte fungerar p\u00e5 Windows 11 blivit ett utbrett problem nyligen, och m\u00e5nga anv\u00e4ndare st\u00f6tte p\u00e5 Kan inte ansluta till VPN. L2TP-anslutningsf\u00f6rs\u00f6ket misslyckades n\u00e4r de f\u00f6rs\u00f6kte ansluta till VPN. Det h\u00e4r felet uppst\u00e5r precis efter installation av den [&hellip;]<\/p>\n","protected":false},"author":2300,"featured_media":1446,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_enabled_clarity":"","footnotes":""},"categories":[1],"tags":[],"work":[],"class_list":["post-1445","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Windows 11 L2TP VPN fungerar inte: Hur man \u00e5tg\u00e4rdar det - WindowsReport - Felfritt Tech Life<\/title>\n<meta name=\"description\" content=\"Om du nyligen har uppdaterat din Windows 11-dator och L2TP VPN inte l\u00e4ngre fungerar, h\u00e4r \u00e4r sex m\u00f6jliga l\u00f6sningar p\u00e5 problemet.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/windowsreport.com\/se\/windows-11-l2tp-vpn-fungerar-inte-hur-man-atgardar-det\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Windows 11 L2TP VPN fungerar inte: Hur man \u00e5tg\u00e4rdar det\" \/>\n<meta property=\"og:description\" content=\"Om du nyligen har uppdaterat din Windows 11-dator och L2TP VPN inte l\u00e4ngre fungerar, h\u00e4r \u00e4r sex m\u00f6jliga l\u00f6sningar p\u00e5 problemet.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/windowsreport.com\/se\/windows-11-l2tp-vpn-fungerar-inte-hur-man-atgardar-det\/\" \/>\n<meta property=\"og:site_name\" content=\"WindowsReport - 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