{"id":13798,"date":"2025-11-15T06:01:07","date_gmt":"2025-11-14T21:01:07","guid":{"rendered":"https:\/\/m365jp.net\/?p=13798"},"modified":"2025-11-15T06:01:13","modified_gmt":"2025-11-14T21:01:13","slug":"investigating-op1186186-microsoft-365-apps-users-may-be-unable-to-install-microsoft-365-desktop-apps-on-windows-devices-3","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2025-11-15-investigating-op1186186-microsoft-365-apps-users-may-be-unable-to-install-microsoft-365-desktop-apps-on-windows-devices-3","title":{"rendered":"[investigating] OP1186186 | Microsoft 365 apps | Users may be unable to install Microsoft 365 desktop apps on Windows devices"},"content":{"rendered":"
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OP1186186 | Microsoft 365 apps | Users may be unable to install Microsoft 365 desktop apps on Windows devices<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n\n
Status<\/th>\ninvestigating<\/td>\n<\/tr>\n
Classification<\/th>\nincident<\/td>\n<\/tr>\n
User Impact<\/th>\nUsers may be unable to install Microsoft 365 desktop apps on Windows devices.<\/td>\n<\/tr>\n
Last Updated<\/th>\n11\/14\/2025 20:28:44<\/td>\n<\/tr>\n
Start Time<\/th>\n11\/14\/2025 15:52:59<\/td>\n<\/tr>\n
End Time<\/th>\n<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Users may be unable to install Microsoft 365 desktop apps on Windows devices<\/p>\n

User impact: Users may be unable to install Microsoft 365 desktop apps on Windows devices.<\/p>\n

More info: This only impacts users who attempt to install version 2508 (Build 19127.20358) and version 2507 (Build 19029.20294) of the Microsoft 365 desktop apps.<\/p>\n

Current status: We’re continuing to reconfigure the affected authentication components and will subsequently redeploy them after a period of internal validation to confirm our fix remediates impact.<\/p>\n

Scope of impact: Any user attempting to install Microsoft 365 desktop apps on Windows devices may be impacted.<\/p>\n

Start time: Tuesday, November 11, 2025, at 6:00 PM UTC<\/p>\n

Root cause: A newly released set of authentication components contain a misconfiguration that prevents users from installing Microsoft 365 desktop apps on Windows devices.<\/p>\n

Next update by: Saturday, November 15, 2025, at 12:30 AM UTC<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb: \u30e6\u30fc\u30b6\u30fc\u304c Windows \u30c7\u30d0\u30a4\u30b9\u306b Microsoft 365 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30a2\u30d7\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\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\u306f Windows \u30c7\u30d0\u30a4\u30b9\u306b Microsoft 365 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30a2\u30d7\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u8a73\u7d30: \u3053\u308c\u306f\u3001Microsoft 365 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30a2\u30d7\u30ea\u306e\u30d0\u30fc\u30b8\u30e7\u30f3 2508 (\u30d3\u30eb\u30c9 19127.20358) \u3068\u30d0\u30fc\u30b8\u30e7\u30f3 2507 (\u30d3\u30eb\u30c9 19029.20294) \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3088\u3046\u3068\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u306e\u307f\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n

\u73fe\u5728\u306e\u30b9\u30c6\u30fc\u30bf\u30b9: \u5f71\u97ff\u3092\u53d7\u3051\u308b\u8a8d\u8a3c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u518d\u69cb\u6210\u3092\u5f15\u304d\u7d9a\u304d\u884c\u3063\u3066\u304a\u308a\u3001\u305d\u306e\u5f8c\u3001\u4fee\u6b63\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u3063\u3066\u5f71\u97ff\u304c\u4fee\u5fa9\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u4e00\u5b9a\u671f\u9593\u306e\u5185\u90e8\u691c\u8a3c\u5f8c\u306b\u518d\u30c7\u30d7\u30ed\u30a4\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u5f71\u97ff\u306e\u7bc4\u56f2: Windows \u30c7\u30d0\u30a4\u30b9\u306b Microsoft 365 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30a2\u30d7\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3088\u3046\u3068\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u958b\u59cb\u6642\u9593: 11 \u5e74 2025 \u6708 6 \u65e5\u706b\u66dc\u65e5\u5348\u5f8c 00 \u6642 UTC<\/p>\n

\u6839\u672c\u539f\u56e0: \u65b0\u3057\u304f\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u8a8d\u8a3c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u30bb\u30c3\u30c8\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c Windows \u30c7\u30d0\u30a4\u30b9\u306b Microsoft 365 \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30a2\u30d7\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u69cb\u6210\u30df\u30b9\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u6b21\u56de\u66f4\u65b0\u65e5: 2025 \u5e74 11 \u6708 15 \u65e5\u571f\u66dc\u65e5\u5348\u524d 12 \u6642 30 \u5206 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

OP1186186 | Microsoft 365 apps | Users may be unable to install Microsoft 365 desktop apps on Windows devices […]<\/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-13798","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/13798","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=13798"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/13798\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=13798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=13798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=13798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}