{"id":94109,"date":"2022-01-13T10:55:46","date_gmt":"2022-01-13T01:55:46","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=94109"},"modified":"2022-01-13T10:55:46","modified_gmt":"2022-01-13T01:55:46","slug":"windows-kb5009543-kb5009566-k2tp-vpn-issues","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows-kb5009543-kb5009566-k2tp-vpn-issues\/","title":{"rendered":"Windows 11\/10\u306e\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8KB5009566\u3068KB5009543\u3067L2TP VPN\u63a5\u7d9a\u306e\u4e0d\u5177\u5408\u304c\u5831\u544a"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2022\/01\/s_20220112_94950.jpg\" alt=\"S 20220112 94950\" title=\"s_20220112_94950.jpg\" border=\"0\" width=\"938\" height=\"642\" \/><\/p>\n<p>Microsoft\u304c\u5148\u65e5\u516c\u958b\u3057\u305f\u3001<a href=\"https:\/\/softantenna.com\/blog\/windows-11-cu-kb5009566-monthly\/\">Windows 11\u7528\u306e\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8KB5009566<\/a>\u3068\u3001<a href=\"https:\/\/softantenna.com\/blog\/windows-10-cu-kb5008212-monthly-2\/\">Windows 10 Version 20H1\/21H1\/21H2\u7528\u306e\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8KB5009543<\/a>\u3067L2TP(Layer 2 Tunneling Protocol) VPN\u63a5\u7d9a\u304c\u3067\u304d\u306a\u3044\u554f\u984c\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f(<a href=\"https:\/\/www.bleepingcomputer.com\/news\/microsoft\/new-windows-kb5009543-kb5009566-updates-break-l2tp-vpn-connections\/\">BleepingComputer<\/a>)\u3002<\/p>\n<p>2022\u5e741\u6708\u306e\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u5f8c\u3001Windows VPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3059\u308b\u969b\u3001L2TP VPN\u63a5\u7d9a\u304c\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u6a21\u69d8\u3002VPN\u30c7\u30d0\u30a4\u30b9\u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u305d\u3046\u3067\u3059\u3002<\/p>\n<blockquote><p>\nCan't connect to VPN. The L2TP connection attempt failed because the security layer encountered a processing error during initial negotiations with the remote computer<\/p>\n<p>VPN\u306b\u63a5\u7d9a\u3067\u304d\u307e\u305b\u3093\u3002\u30ea\u30e2\u30fc\u30c8\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u3068\u306e\u6700\u521d\u306e\u4ea4\u6e09\u4e2d\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c64\u304c\u51e6\u7406\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u305f\u305f\u3081\u3001L2TP\u63a5\u7d9a\u306e\u8a66\u884c\u306b\u5931\u6557\u3057\u307e\u3057\u305f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2022\/01\/connection-error.jpeg\" alt=\"Connection error\" title=\"connection-error.jpeg\" border=\"0\" width=\"677\" height=\"400\" \/><\/p>\n<p>\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u306b\u306f\u3001\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9789\u3067VPN\u3078\u306e\u63a5\u7d9a\u306b\u5931\u6557\u3057\u305f\u65e8\u306e\u30a8\u30f3\u30c8\u30ea\u304c\u767b\u9332\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30d0\u30b0\u306f\u3001\u3059\u3079\u3066\u306eVPN\u30c7\u30d0\u30a4\u30b9\u306b\u5f71\u97ff\u3059\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u5185\u8535\u306eWindows VPN\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u63a5\u7d9a\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u306e\u307f\u5f71\u97ff\u3059\u308b\u3068\u306e\u3053\u3068\u3002<a href=\"https:\/\/www.reddit.com\/r\/sysadmin\/comments\/s1oqv8\/kb5009543_january_11_2022_breaks_l2tp_vpn\/\">Reddit<\/a>\u306b\u6295\u7a3f\u3055\u308c\u305f\u60c5\u5831\u306b\u3088\u308b\u3068\u3001SonicWall\u3001Cisco Meraki\u3001WatchGuard Firewalls\u3078\u306e\u63a5\u7d9a\u306b\u5f71\u97ff\u3057\u3066\u3044\u308b\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u73fe\u5728\u306e\u3068\u3053\u308dKB5009566\u3068KB5009543\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u4ee5\u5916\u306e\u56de\u907f\u7b56\u306f\u898b\u3064\u304b\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u306b\u306f\u7ba1\u7406\u8005\u6a29\u9650\u3067\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u304d\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>Windows 11\u306e\u5834\u5408:<\/p>\n<pre>\nwusa \/uninstall \/kb:5009566\n<\/pre>\n<p>Windows 10\u306e\u5834\u5408:<\/p>\n<pre>\nwusa \/uninstall \/kb:5009543\n<\/pre>\n<p>\u305f\u3060\u3057\u3001\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u3001\u6708\u4f8b\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4fee\u6b63\u3055\u308c\u305f\u8106\u5f31\u6027\u306b\u5bfe\u3057\u3066\u7121\u9632\u5099\u3068\u306a\u308b\u305f\u3081\u3001\u30ea\u30b9\u30af\u3092\u6bd4\u8f03\u691c\u8a0e\u3057\u3066\u304b\u3089\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>BleepingComputer\u306f\u3053\u306e\u30d0\u30b0\u306b\u3064\u3044\u3066Microsoft\u306b\u554f\u3044\u5408\u308f\u305b\u305f\u3082\u306e\u306e\u3001\u307e\u3060\u8fd4\u7b54\u306f\u306a\u3044\u305d\u3046\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u304c\u5148\u65e5\u516c\u958b\u3057\u305f\u3001Windows 11\u7528\u306e\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8KB5009566\u3068\u3001Windows 10 Version 20H1\/21H1\/21H2\u7528\u306e\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8KB5009543\u3067L2TP(Laye [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":94110,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[3298,2701],"class_list":["post-94109","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-windows","tag-windows10"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/94109","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=94109"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/94109\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/94110"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=94109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=94109"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=94109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}