{"id":17648,"date":"2026-08-04T00:02:46","date_gmt":"2026-08-03T15:02:46","guid":{"rendered":"https:\/\/m365jp.net\/?p=17648"},"modified":"2026-08-04T00:12:45","modified_gmt":"2026-08-03T15:12:45","slug":"servicedegradation-tm1446407-microsoft-teams-some-users-may-be-unable-to-launch-the-microsoft-teams-windows-desktop-client","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-08-04-servicedegradation-tm1446407-microsoft-teams-some-users-may-be-unable-to-launch-the-microsoft-teams-windows-desktop-client","title":{"rendered":"[serviceDegradation] TM1446407 | Microsoft Teams | Some users may be unable to launch the Microsoft Teams Windows desktop client"},"content":{"rendered":"
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TM1446407 | Microsoft Teams | Some users may be unable to launch the Microsoft Teams Windows desktop client<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n\n
Status<\/th>\nserviceDegradation<\/td>\n<\/tr>\n
Classification<\/th>\nadvisory<\/td>\n<\/tr>\n
User Impact<\/th>\nUsers may be unable to launch the Microsoft Teams Windows desktop client.<\/td>\n<\/tr>\n
Last Updated<\/th>\n08\/03\/2026 14:22:10<\/td>\n<\/tr>\n
Start Time<\/th>\n08\/03\/2026 14:15:52<\/td>\n<\/tr>\n
End Time<\/th>\n<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Some users may be unable to launch the Microsoft Teams Windows desktop client <\/p>\n

User impact: Users may be unable to launch the Microsoft Teams Windows desktop client. <\/p>\n

More info: This issue specifically affects users who are running the latest Microsoft Edge WebView2 Canary version (v152.0.4190.0).<\/p>\n

As a workaround, affected users can switch from Canary to the Stable version of Edge WebView2. <\/p>\n

Current status: We\u2019ve identified that a regression introduced in the latest Edge WebView2 Canary version is preventing the Microsoft Teams Windows desktop client from starting, resulting in impact. We\u2019re working on a fix to restore normal client startup behavior. <\/p>\n

Scope of impact: Users running the Microsoft Edge WebView2 Canary build and attempting to launch the Microsoft Teams Windows desktop client are impacted. <\/p>\n

Root cause: A regression introduced in the latest Edge WebView2 Canary version is preventing the Microsoft Teams Windows desktop client from starting, resulting in impact. <\/p>\n

Next update by: Thursday, August 6, 2026, at 3:00 PM UTC<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb:\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306fMicrosoft Teams\u306eWindows\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8d77\u52d5\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059 <\/p>\n

\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:\u30e6\u30fc\u30b6\u30fc\u306fMicrosoft Teams\u306eWindows\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8d77\u52d5\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u8a73\u7d30\u60c5\u5831:\u3053\u306e\u554f\u984c\u306f\u7279\u306b\u6700\u65b0\u306eMicrosoft Edge WebView2 Canary\u30d0\u30fc\u30b8\u30e7\u30f3(v152.0.4190.0)\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n

\u56de\u907f\u7b56\u3068\u3057\u3066\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30e6\u30fc\u30b6\u30fc\u306fCanary\u304b\u3089Stable WebView2\u7248\u306b\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n

\u73fe\u72b6:\u6700\u65b0\u306eEdge WebView2 Canary\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u5c0e\u5165\u3055\u308c\u305f\u56de\u5e30\u51e6\u7406\u306b\u3088\u308a\u3001Microsoft Teams\u306eWindows\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u8d77\u52d5\u3067\u304d\u305a\u3001\u5f71\u97ff\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u901a\u5e38\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8d77\u52d5\u52d5\u4f5c\u3092\u5fa9\u5143\u3059\u308b\u305f\u3081\u306e\u4fee\u6b63\u4f5c\u696d\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002 <\/p>\n

\u5f71\u97ff\u7bc4\u56f2:Microsoft Edge WebView2 Canary\u30d3\u30eb\u30c9\u3092\u5b9f\u884c\u3057\u3001Microsoft Teams\u306eWindows\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u8d77\u52d5\u3057\u3088\u3046\u3068\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002 <\/p>\n

\u6839\u672c\u539f\u56e0:\u6700\u65b0\u306eEdge WebView2 Canary\u7248\u3067\u5c0e\u5165\u3055\u308c\u305f\u56de\u5e30\u304cMicrosoft Teams\u306eWindows\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u8d77\u52d5\u3092\u59a8\u3052\u3066\u304a\u308a\u3001\u5f71\u97ff\u304c\u51fa\u3066\u3044\u307e\u3059\u3002 <\/p>\n

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TM1446407 | Microsoft Teams | Some users may be unable to launch the Microsoft Teams Windows desktop client St […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-17648","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/17648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/comments?post=17648"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/17648\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=17648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=17648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=17648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}