{"id":13090,"date":"2025-10-01T11:00:57","date_gmt":"2025-10-01T02:00:57","guid":{"rendered":"https:\/\/m365jp.net\/?p=13090"},"modified":"2025-10-01T11:01:20","modified_gmt":"2025-10-01T02:01:20","slug":"investigating-ex1162980-exchange-online-users-may-experience-errors-or-failures-when-accessing-their-mailbox-in-one-or-more-exchange-online-connection-methods","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2025-10-01-investigating-ex1162980-exchange-online-users-may-experience-errors-or-failures-when-accessing-their-mailbox-in-one-or-more-exchange-online-connection-methods","title":{"rendered":"[investigating] EX1162980 | Exchange Online | Users may experience errors or failures when accessing their mailbox in one or more Exchange Online connection methods"},"content":{"rendered":"
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EX1162980 | Exchange Online | Users may experience 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>\ninvestigating<\/td>\n<\/tr>\n
Classification<\/th>\nincident<\/td>\n<\/tr>\n
User Impact<\/th>\nUsers may experience errors or failures when accessing their mailbox in one or more Exchange Online connection methods.<\/td>\n<\/tr>\n
Last Updated<\/th>\n10\/01\/2025 01:57:02<\/td>\n<\/tr>\n
Start Time<\/th>\n10\/01\/2025 00:11:02<\/td>\n<\/tr>\n
End Time<\/th>\n<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Users may experience errors or failures when accessing their mailbox in one or more Exchange Online connection methods<\/p>\n

User impact: Users may experience errors or failures when accessing their mailbox in one or more Exchange Online connection methods.<\/p>\n

Current status: We’ve identified a portion of infrastructure responsible for processing request flow traffic that isn’t operating at expected thresholds. We’ve since redistributed traffic to alternate infrastructure and are monitoring to confirm if our actions alleviate impact as expected.<\/p>\n

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

Root cause: A portion of infrastructure responsible for processing request flow traffic that isn’t operating at expected thresholds and this is resulting in impact.<\/p>\n

Next update by: Wednesday, October 1, 2025, at 4:00 AM UTC<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb: \u30e6\u30fc\u30b6\u30fc\u304c 1 \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\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/p>\n

\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff: \u30e6\u30fc\u30b6\u30fc\u304c 1 \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\u3084\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u73fe\u5728\u306e\u30b9\u30c6\u30fc\u30bf\u30b9: \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\u3001\u4e88\u60f3\u3055\u308c\u308b\u3057\u304d\u3044\u5024\u3067\u52d5\u4f5c\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u7279\u5b9a\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u4ee3\u66ff\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306b\u518d\u5206\u6563\u3057\u3001\u79c1\u305f\u3061\u306e\u884c\u52d5\u304c\u671f\u5f85\u3069\u304a\u308a\u306b\u5f71\u97ff\u3092\u8efd\u6e1b\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u76e3\u8996\u3057\u3066\u3044\u307e\u3059\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\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u6839\u672c\u539f\u56e0: \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\u3001\u4e88\u60f3\u3055\u308c\u308b\u3057\u304d\u3044\u5024\u3067\u52d5\u4f5c\u3057\u3066\u304a\u3089\u305a\u3001\u305d\u306e\u7d50\u679c\u3001\u5f71\u97ff\u304c\u751f\u3058\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u6b21\u56de\u66f4\u65b0\u65e5: 2025 \u5e74 10 \u6708 1 \u65e5\u6c34\u66dc\u65e5\u3001\u5348\u524d 4:00 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

EX1162980 | Exchange Online | Users may experience errors or failures when accessing their mailbox in one or m […]<\/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-13090","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/13090","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=13090"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/13090\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=13090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=13090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=13090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}