{"id":15610,"date":"2026-03-27T06:01:19","date_gmt":"2026-03-26T21:01:19","guid":{"rendered":"https:\/\/m365jp.net\/?p=15610"},"modified":"2026-03-27T06:06:07","modified_gmt":"2026-03-26T21:06:07","slug":"servicedegradation-ex1259460-exchange-online-some-users-may-be-unable-to-access-custom-add-ins-through-any-exchange-online-connection-method-4","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-03-27-servicedegradation-ex1259460-exchange-online-some-users-may-be-unable-to-access-custom-add-ins-through-any-exchange-online-connection-method-4","title":{"rendered":"[serviceDegradation] EX1259460 | Exchange Online | Some users may be unable to access custom add-ins through any Exchange Online connection method"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">EX1259460 | Exchange Online | Some users may be unable to access custom add-ins through any Exchange Online connection method<\/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>advisory<\/td>\n<\/tr>\n<tr>\n<th>User Impact<\/th>\n<td>Users may be unable to access custom add-ins through any Exchange Online connection method.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>03\/26\/2026 20:04:53<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>03\/03\/2026 13:52:00<\/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: Some users may be unable to access custom add-ins through any Exchange Online connection method<\/p>\n<p>  User impact: Users may be unable to access custom add-ins through any Exchange Online connection method.<\/p>\n<p>  Current status: We&#8217;re investigating the possibility that incoming traffic may not be appropriately balanced throughout the affected environment while also continuing to review the previously identified exception to determine the root cause and a strategy that   remediates impact.<\/p>\n<p>  Scope of impact: Some users who are attempting to access custom add-ins through all Exchange Online connection methods may be impacted. This section may be updated as our investigation continues.<\/p>\n<p>  Next update by: Friday, March 27, 2026, at 9:00 PM UTC<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\u30bf\u30a4\u30c8\u30eb:\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u3044\u304b\u306a\u308bExchange Online\u63a5\u7d9a\u65b9\u6cd5\u3067\u3082\u30ab\u30b9\u30bf\u30e0\u30a2\u30c9\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/p>\n<p>  \u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:\u30e6\u30fc\u30b6\u30fc\u306fExchange Online\u306e\u63a5\u7d9a\u65b9\u6cd5\u3092\u901a\u3058\u3066\u30ab\u30b9\u30bf\u30e0\u30a2\u30c9\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u73fe\u72b6:\u5f71\u97ff\u3092\u53d7\u3051\u308b\u74b0\u5883\u5168\u4f53\u3067\u6d41\u5165\u3059\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u9069\u5207\u306b\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308c\u3066\u3044\u306a\u3044\u53ef\u80fd\u6027\u3092\u8abf\u67fb\u3057\u3064\u3064\u3001\u4ee5\u524d\u306b\u7279\u5b9a\u3055\u308c\u305f\u4f8b\u5916\u3092\u5f15\u304d\u7d9a\u304d\u898b\u76f4\u3057\u3001\u6839\u672c\u539f\u56e0\u3068\u5f71\u97ff\u3092\u662f\u6b63\u3059\u308b\u6226\u7565\u3092\u691c\u8a0e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>  \u5f71\u97ff\u7bc4\u56f2:\u3059\u3079\u3066\u306eExchange Online\u63a5\u7d9a\u65b9\u6cd5\u3092\u901a\u3058\u3066\u30ab\u30b9\u30bf\u30e0\u30a2\u30c9\u30a4\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306f\u8abf\u67fb\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u66f4\u65b0\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u6b21\u56de\u66f4\u65b0:2026\u5e743\u670827\u65e5\u91d1\u66dc\u65e5 21:00 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>EX1259460 | Exchange Online | Some users may be unable to access custom add-ins through any Exchange Online co [&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-15610","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15610","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=15610"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15610\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=15610"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=15610"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=15610"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}