{"id":13208,"date":"2025-10-04T03:01:02","date_gmt":"2025-10-03T18:01:02","guid":{"rendered":"https:\/\/m365jp.net\/?p=13208"},"modified":"2025-10-04T03:01:34","modified_gmt":"2025-10-03T18:01:34","slug":"servicerestored-ex1162980-exchange-online-some-users-experienced-errors-or-failures-when-accessing-their-mailbox-in-one-or-more-exchange-online-connection-methods-4","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2025-10-04-servicerestored-ex1162980-exchange-online-some-users-experienced-errors-or-failures-when-accessing-their-mailbox-in-one-or-more-exchange-online-connection-methods-4","title":{"rendered":"[serviceRestored] EX1162980 | Exchange Online | Some users experienced errors or failures when accessing their mailbox in one or more Exchange Online connection methods"},"content":{"rendered":"
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EX1162980 | Exchange Online | Some users experienced errors or failures when accessing their mailbox in one or more Exchange Online connection methods<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n\n
Status<\/th>\nserviceRestored<\/td>\n<\/tr>\n
Classification<\/th>\nincident<\/td>\n<\/tr>\n
User Impact<\/th>\nSome users experienced errors or failures when accessing their mailbox in one or more Exchange Online connection methods<\/td>\n<\/tr>\n
Last Updated<\/th>\n10\/03\/2025 17:33:04<\/td>\n<\/tr>\n
Start Time<\/th>\n09\/30\/2025 23:27:00<\/td>\n<\/tr>\n
End Time<\/th>\n10\/01\/2025 11:15:00<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Some users experienced errors or failures when accessing their mailbox in one or more Exchange Online connection methods<\/p>\n

User impact: Some users experienced errors or failures when accessing their mailbox in one or more Exchange Online connection methods<\/p>\n

More info: Impact more heavily affected Outlook.com users.<\/p>\n

Final status: After subsequent investigations and telemetry analysis, we\u2019ve confirmed that this incident only affected the Consumer account environment. The issue did not affect the Enterprise environment. As such, your organization was not impacted by this event.<\/p>\n

Scope of impact: Users attempting to access their mailbox in one or more Exchange Online connection methods may have been impacted.<\/p>\n

Start time: Tuesday, September 30, 2025 at 11:27 PM<\/p>\n

End Time: Wednesday, October 1, 2025 at 11:15 AM<\/p>\n

Root cause: A recent configuration change unexpectedly caused a portion of infrastructure responsible for processing request flow traffic to operate below expected thresholds, resulting in impact.<\/p>\n

Next Steps:
– Previously, within this communication, we stated that we would provide a Post-Incident Report within 5 business days. As there was no Enterprise environment impact, we will no longer be providing a Post-Incident Report. This is the final update for this event.<\/p>\n

This is the final update for this event.<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb: \u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Exchange Online \u63a5\u7d9a\u65b9\u6cd5\u3067\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\u306b\u30a8\u30e9\u30fc\u307e\u305f\u306f\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f<\/p>\n

\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff: \u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u30011 \u3064\u4ee5\u4e0a\u306e Exchange Online \u63a5\u7d9a\u65b9\u6cd5\u3067\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\u306b\u30a8\u30e9\u30fc\u307e\u305f\u306f\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f<\/p>\n

\u8a73\u7d30\u60c5\u5831: \u5f71\u97ff\u304c\u3088\u308a\u5927\u304d\u3044 Outlook.com \u30e6\u30fc\u30b6\u30fc\u3002<\/p>\n

\u6700\u7d42\u72b6\u614b: \u305d\u306e\u5f8c\u306e\u8abf\u67fb\u3068\u30c6\u30ec\u30e1\u30c8\u30ea\u5206\u6790\u306e\u7d50\u679c\u3001\u3053\u306e\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306f\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc \u30a2\u30ab\u30a6\u30f3\u30c8\u74b0\u5883\u306b\u306e\u307f\u5f71\u97ff\u3057\u305f\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u554f\u984c\u306f\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u74b0\u5883\u306b\u306f\u5f71\u97ff\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u305d\u306e\u305f\u3081\u3001\u7d44\u7e54\u306f\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n

\u5f71\u97ff\u306e\u7bc4\u56f2: 1 \u3064\u4ee5\u4e0a\u306e Exchange Online \u63a5\u7d9a\u65b9\u6cd5\u3067\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u304c\u5f71\u97ff\u3092\u53d7\u3051\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u958b\u59cb\u6642\u9593:2025\u5e749\u670830\u65e5(\u706b)23:27<\/p>\n

\u7d42\u4e86\u6642\u9593: 2025 \u5e74 10 \u6708 1 \u65e5\u6c34\u66dc\u65e5\u5348\u524d 11 \u6642 15 \u5206<\/p>\n

\u6839\u672c\u539f\u56e0: \u6700\u8fd1\u306e\u8a2d\u5b9a\u5909\u66f4\u306b\u3088\u308a\u3001\u8981\u6c42\u30d5\u30ed\u30fc \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u51e6\u7406\u3092\u62c5\u5f53\u3059\u308b\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u4e00\u90e8\u304c\u4e88\u671f\u305b\u305a\u3001\u4e88\u60f3\u3055\u308c\u308b\u3057\u304d\u3044\u5024\u3092\u4e0b\u56de\u3063\u3066\u52d5\u4f5c\u3057\u3001\u5f71\u97ff\u304c\u751f\u3058\u307e\u3057\u305f\u3002<\/p>\n

\u6b21\u306e\u30b9\u30c6\u30c3\u30d7:
– \u4ee5\u524d\u3001\u3053\u306e\u901a\u4fe1\u306e\u4e2d\u3067\u30015 \u55b6\u696d\u65e5\u4ee5\u5185\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5f8c\u30ec\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u3068\u8ff0\u3079\u3066\u3044\u307e\u3057\u305f\u3002\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u74b0\u5883\u3078\u306e\u5f71\u97ff\u306f\u306a\u304b\u3063\u305f\u305f\u3081\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5f8c\u30ec\u30dd\u30fc\u30c8\u306e\u63d0\u4f9b\u306f\u7d42\u4e86\u3057\u307e\u3059\u3002\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u306e\u6700\u7d42\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u3059\u3002<\/p>\n

\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u306e\u6700\u7d42\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

EX1162980 | Exchange Online | Some users experienced errors or failures when accessing their mailbox in one or […]<\/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-13208","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/13208","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=13208"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/13208\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=13208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=13208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=13208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}