{"id":2492,"date":"2023-07-19T07:00:45","date_gmt":"2023-07-18T22:00:45","guid":{"rendered":"https:\/\/m365jp.xyz\/?p=2492"},"modified":"2023-07-19T07:10:47","modified_gmt":"2023-07-18T22:10:47","slug":"servicerestored-ex648815-exchange-online-users-inbound-and-outbound-email-delivery-may-be-delayed-for-15-minutes-or-longer-in-exchange-online","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2023-07-19-servicerestored-ex648815-exchange-online-users-inbound-and-outbound-email-delivery-may-be-delayed-for-15-minutes-or-longer-in-exchange-online","title":{"rendered":"[serviceRestored] EX648815 | Exchange Online | Users’ inbound and outbound email delivery may be delayed for 15 minutes or longer in Exchange Online"},"content":{"rendered":"
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EX648815 | Exchange Online | Users’ inbound and outbound email delivery may be delayed for 15 minutes or longer in Exchange Online<\/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>\nUsers’ inbound and outbound email delivery may be delayed for 15 minutes or longer in Exchange Online.<\/td>\n<\/tr>\n
Last Updated<\/th>\n07\/18\/2023 21:38:21<\/td>\n<\/tr>\n
Start Time<\/th>\n07\/17\/2023 18:53:00<\/td>\n<\/tr>\n
End Time<\/th>\n07\/18\/2023 21:26:45<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Users’ inbound and outbound email delivery may be delayed for 15 minutes or longer in Exchange Online<\/p>\n

User impact: Users’ inbound and outbound email delivery may have been delayed for 15 minutes or longer in Exchange Online.<\/p>\n

More info: Some users may have encountered delivery delays of up to approximately five hours. The issue wasn’t client-specific and may have occurred in all Exchange Online connection methods.<\/p>\n

Final status: We’ve confirmed the previously communicated rerouting update to the free\/busy CFMs wouldn’t fully remediate the issue as messages may requeue again. After monitoring the mail queues, we confirmed that the messages have been reprocessed and new messages are sending within the expected timeframe.<\/p>\n

Scope of impact: This issue may have been affecting any user sending or receiving mail in Exchange Online.<\/p>\n

Start time: Monday, July 17, 2023, at 3:00 PM UTC<\/p>\n

End time: Tuesday, July 18, 2023, at 7:30 PM UTC <\/p>\n

Root cause: A recent code change related to our free\/busy publishing APIs resulted in an influx of Control Flow Messages (CFMs), which are sent during certain free\/busy operations such as calendar replication, to be sent for other instances where CFMs are not necessary. This was resulting in a spike in messages on Exchange Online infrastructure, which was resulting in message queuing.<\/p>\n

Next steps:
– We’re continuing to review the free\/busy API changes and CFMs to better understand why the spike in unnecessary messages occurred to prevent similar occurrences from happening again in the future.<\/p>\n

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

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb: Exchange Online \u3067\u30e6\u30fc\u30b6\u30fc\u306e\u53d7\u4fe1\u304a\u3088\u3073\u9001\u4fe1\u96fb\u5b50\u30e1\u30fc\u30eb\u914d\u4fe1\u304c 15 \u5206\u4ee5\u4e0a\u9045\u5ef6\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/p>\n

\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff: Exchange Online \u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u53d7\u4fe1\u304a\u3088\u3073\u9001\u4fe1\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u914d\u4fe1\u304c 15 \u5206\u4ee5\u4e0a\u9045\u5ef6\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u8a73\u7d30\u60c5\u5831: \u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u6700\u5927 5 \u6642\u9593\u306e\u914d\u4fe1\u9045\u5ef6\u304c\u767a\u751f\u3057\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u56fa\u6709\u3067\u306f\u306a\u304f\u3001\u3059\u3079\u3066\u306e Exchange Online \u63a5\u7d9a\u65b9\u6cd5\u3067\u767a\u751f\u3057\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u6700\u7d42\u30b9\u30c6\u30fc\u30bf\u30b9: \u7a7a\u304d\u6642\u9593\u60c5\u5831 CFM \u306b\u5bfe\u3057\u3066\u4ee5\u524d\u306b\u901a\u77e5\u3055\u308c\u305f\u518d\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u66f4\u65b0\u3067\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u518d\u3073\u30ad\u30e5\u30fc\u306b\u518d\u30ad\u30e5\u30fc\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u554f\u984c\u304c\u5b8c\u5168\u306b\u4fee\u5fa9\u3055\u308c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u30e1\u30fc\u30eb\u30ad\u30e5\u30fc\u3092\u76e3\u8996\u3057\u305f\u5f8c\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u518d\u51e6\u7406\u3055\u308c\u3001\u4e88\u60f3\u3055\u308c\u308b\u6642\u9593\u67a0\u5185\u306b\u65b0\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u5f71\u97ff\u306e\u7bc4\u56f2: \u3053\u306e\u554f\u984c\u306f\u3001Exchange Online \u3067\u30e1\u30fc\u30eb\u3092\u9001\u53d7\u4fe1\u3059\u308b\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u958b\u59cb\u6642\u9593: 17\u5e742023\u67083\u65e5\u6708\u66dc\u65e5\u5348\u5f8c00\u6642UTC<\/p>\n

\u7d42\u4e86\u6642\u523b: 2023 \u5e74 7 \u6708 18 \u65e5\u706b\u66dc\u65e5\u5348\u5f8c 7 \u6642 30 \u5206 (UTC)<\/p>\n

\u6839\u672c\u539f\u56e0: \u7a7a\u304d\u6642\u9593\u60c5\u5831\u306e\u516c\u958b API \u306b\u95a2\u9023\u3059\u308b\u6700\u8fd1\u306e\u30b3\u30fc\u30c9\u5909\u66f4\u306b\u3088\u308a\u3001\u30ab\u30ec\u30f3\u30c0\u30fc\u306e\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306e\u7279\u5b9a\u306e\u7a7a\u304d\u6642\u9593\u60c5\u5831\u64cd\u4f5c\u4e2d\u306b\u9001\u4fe1\u3055\u308c\u308b\u5236\u5fa1\u30d5\u30ed\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8 (CFM) \u304c\u6d41\u5165\u3057\u3001CFM \u304c\u4e0d\u8981\u306a\u4ed6\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u9001\u4fe1\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001Exchange Online \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u4e0a\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u6025\u5897\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8 \u30ad\u30e5\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

\u6b21\u306e\u30b9\u30c6\u30c3\u30d7:
– \u4eca\u5f8c\u540c\u69d8\u306e\u767a\u751f\u304c\u518d\u767a\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u4e0d\u8981\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u6025\u5897\u304c\u767a\u751f\u3057\u305f\u7406\u7531\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u7a7a\u304d\u6642\u9593\u60c5\u5831API\u306e\u5909\u66f4\u3068CFM\u3092\u5f15\u304d\u7d9a\u304d\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u308c\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u6700\u7d42\u66f4\u65b0\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

EX648815 | Exchange Online | Users’ inbound and outbound email delivery may be delayed for 15 minutes 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-2492","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/2492","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=2492"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/2492\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=2492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=2492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=2492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}