{"id":15501,"date":"2026-03-21T02:01:07","date_gmt":"2026-03-20T17:01:07","guid":{"rendered":"https:\/\/m365jp.net\/?p=15501"},"modified":"2026-03-21T02:01:37","modified_gmt":"2026-03-20T17:01:37","slug":"servicedegradation-ex1256020-exchange-online-some-users-may-be-intermittently-unable-to-access-their-exchange-online-mailboxes-in-some-connection-methods-2","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-03-21-servicedegradation-ex1256020-exchange-online-some-users-may-be-intermittently-unable-to-access-their-exchange-online-mailboxes-in-some-connection-methods-2","title":{"rendered":"[serviceDegradation] EX1256020 | Exchange Online | Some users may be intermittently unable to access their Exchange Online mailboxes in some connection methods"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">EX1256020 | Exchange Online | Some users may be intermittently unable to access their Exchange Online mailboxes in some connection methods<\/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 intermittently unable to access their Exchange Online mailboxes in some connection methods.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>03\/20\/2026 16:52:24<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>03\/19\/2026 14:20:42<\/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 intermittently unable to access their Exchange Online mailboxes in some connection methods<\/p>\n<p>  User impact: Users may be intermittently unable to access their Exchange Online mailboxes in some connection methods.<\/p>\n<p>  More info: This issue may intermittently impact some users who are attempting to access the Exchange Online service through the Outlook mobile apps or the new Outlook for Mac desktop client.<\/p>\n<p>  Current status: We\u2019ve identified that restarting the affected infrastructure isn\u2019t a sufficient fix for this issue and we\u2019re continuing our investigation to identify and validate an appropriate remediation action. Once available, we\u2019ll provide a timeline for   resolution.<\/p>\n<p>  Scope of impact: Impact may occur for some users intermittently and users may be unable to access their Exchange Online mailboxes with the Outlook mobile apps.<\/p>\n<p>  Start time: Thursday, March 12, 2026, at 12:00 AM UTC<\/p>\n<p>  Next update by: Friday, March 20, 2026, at 6:30 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\u3042\u308b\u63a5\u7d9a\u65b9\u6cd5\u3067\u65ad\u7d9a\u7684\u306bExchange Online\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\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:\u4e00\u90e8\u306e\u63a5\u7d9a\u65b9\u6cd5\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u65ad\u7d9a\u7684\u306bExchange Online\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u8a73\u7d30\u60c5\u5831:\u3053\u306e\u554f\u984c\u306f\u3001Outlook\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u3084\u65b0\u3057\u3044Outlook for Mac\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u901a\u3058\u3066Exchange Online\u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u65ad\u7d9a\u7684\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u73fe\u72b6:\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30a4\u30f3\u30d5\u30e9\u306e\u518d\u8d77\u52d5\u3060\u3051\u3067\u306f\u3053\u306e\u554f\u984c\u306e\u89e3\u6c7a\u306b\u306f\u4e0d\u5341\u5206\u3067\u3042\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u3001\u9069\u5207\u306a\u5bfe\u7b56\u3092\u7279\u5b9a\u3057\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u8abf\u67fb\u3092\u7d99\u7d9a\u3057\u3066\u3044\u307e\u3059\u3002\u56de\u7b54\u304c\u53ef\u80fd\u306b\u306a\u308a\u6b21\u7b2c\u3001\u89e3\u6c7a\u307e\u3067\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3092\u304a\u77e5\u3089\u305b\u3057\u307e\u3059\u3002<\/p>\n<p>  \u5f71\u97ff\u306e\u7bc4\u56f2:\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u306f\u5f71\u97ff\u304c\u65ad\u7d9a\u7684\u306b\u767a\u751f\u3057\u3001Outlook\u306e\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u3067Exchange Online\u306e\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u958b\u59cb\u6642\u9593:2026\u5e743\u670812\u65e5\u6728\u66dc\u65e5 0:00 UTC<\/p>\n<p>  \u6b21\u56de\u66f4\u65b0:2026\u5e743\u670820\u65e5\u91d1\u66dc\u65e5 \u5348\u5f8c6\u664230\u5206 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>EX1256020 | Exchange Online | Some users may be intermittently unable to access their Exchange Online mailboxe [&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-15501","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15501","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=15501"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15501\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=15501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=15501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=15501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}