{"id":18740,"date":"2026-09-26T08:01:12","date_gmt":"2026-09-25T23:01:12","guid":{"rendered":"https:\/\/m365jp.net\/?p=18740"},"modified":"2026-09-26T08:07:28","modified_gmt":"2026-09-25T23:07:28","slug":"servicedegradation-ex1479349-exchange-online-users-may-be-unable-to-reply-or-reply-all-to-email-messages-sent-to-microsoft-365-groups-in-exchange-online-2","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-09-26-servicedegradation-ex1479349-exchange-online-users-may-be-unable-to-reply-or-reply-all-to-email-messages-sent-to-microsoft-365-groups-in-exchange-online-2","title":{"rendered":"[serviceDegradation] EX1479349 | Exchange Online | Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">EX1479349 | Exchange Online | Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Status<\/th>\n<td class=\"bad\">serviceDegradation<\/td>\n<\/tr>\n<tr>\n<th>Classification<\/th>\n<td>incident<\/td>\n<\/tr>\n<tr>\n<th>User Impact<\/th>\n<td>Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>09\/25\/2026 22:35:01<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>09\/25\/2026 15:52:36<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td><\/td>\n<\/tr>\n<tr>\n<th>Latest Message<\/th>\n<td>Title: Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online <\/p>\n<p> User impact: Users may be unable to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online. <\/p>\n<p> More info: As a temporary alternative, impacted users may reply or reply all to email messages through user inboxes. <\/p>\n<p> Current status: We&#8217;re conducting verification and validation testing on our proposed remediation to ensure that it will safely and effectively remediate this issue. <\/p>\n<p> Scope of impact: This issue impacts any user attempting to reply or reply-all to email messages sent to Microsoft 365 groups in Exchange Online. This information may be updated as our investigation continues. <\/p>\n<p> Next update by: Saturday, September 26, 2026, at 12:30 AM UTC<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\u30bf\u30a4\u30c8\u30eb:\u30e6\u30fc\u30b6\u30fc\u306fExchange Online\u3067Microsoft 365\u30b0\u30eb\u30fc\u30d7\u306b\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u307e\u305f\u306f\u5168\u3066\u8fd4\u4fe1\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059 <\/p>\n<p> \u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:Exchange Online\u3067Microsoft 365\u30b0\u30eb\u30fc\u30d7\u306b\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u307e\u305f\u306f\u5168\u54e1\u8fd4\u4fe1\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<p> \u8a73\u7d30\u60c5\u5831:\u4e00\u6642\u7684\u306a\u4ee3\u66ff\u3068\u3057\u3066\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30e6\u30fc\u30b6\u30fc\u306f\u30e6\u30fc\u30b6\u30fc\u306e\u53d7\u4fe1\u7bb1\u3092\u901a\u3058\u3066\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u307e\u305f\u306f\u8fd4\u4fe1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n<p> \u73fe\u72b6:\u63d0\u6848\u4e2d\u306e\u5bfe\u7b56\u306b\u3064\u3044\u3066\u3001\u5b89\u5168\u304b\u3064\u52b9\u679c\u7684\u306b\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u308b\u3088\u3046\u691c\u8a3c\u30fb\u691c\u8a3c\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3059\u3002 <\/p>\n<p> \u5f71\u97ff\u7bc4\u56f2:\u3053\u306e\u554f\u984c\u306f\u3001Exchange Online\u3067Microsoft 365\u30b0\u30eb\u30fc\u30d7\u306b\u9001\u4fe1\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306b\u8fd4\u4fe1\u307e\u305f\u306f\u5168\u54e1\u8fd4\u4fe1\u3057\u3088\u3046\u3068\u3059\u308b\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u8abf\u67fb\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u3001\u3053\u306e\u60c5\u5831\u306f\u66f4\u65b0\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<p> \u6b21\u56de\u66f4\u65b0:2026\u5e749\u670826\u65e5\u571f\u66dc\u65e5 0:30 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>EX1479349 | Exchange Online | Users may be unable to reply or reply-all to email messages sent to Microsoft 36 [&hellip;]<\/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-18740","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18740","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=18740"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18740\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=18740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=18740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=18740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}