{"id":15968,"date":"2026-04-16T21:00:53","date_gmt":"2026-04-16T12:00:53","guid":{"rendered":"https:\/\/m365jp.net\/?p=15968"},"modified":"2026-04-16T21:01:43","modified_gmt":"2026-04-16T12:01:43","slug":"falsepositive-ex1279879-exchange-online-users-may-be-unable-to-respond-directly-to-specific-encrypted-email-messages-from-a-shared-mailbox-in-exchange-online","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-04-16-falsepositive-ex1279879-exchange-online-users-may-be-unable-to-respond-directly-to-specific-encrypted-email-messages-from-a-shared-mailbox-in-exchange-online","title":{"rendered":"[falsePositive] EX1279879 | Exchange Online | Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">EX1279879 | Exchange Online | Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online<\/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\">falsePositive<\/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 respond directly to specific encrypted email messages from a shared mailbox in Exchange Online.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>04\/16\/2026 11:50:31<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>04\/08\/2026 14:07:00<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>04\/16\/2026 11:43:54<\/td>\n<\/tr>\n<tr>\n<th>Latest Message<\/th>\n<td>Title: Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online<\/p>\n<p>  User impact: Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online.<\/p>\n<p>  Final status: After the initial investigation, we\u2019ve determined that the issue is by-design and the service is healthy. A service incident did not actually occur. This communication will expire in 24 hours.<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\u30bf\u30a4\u30c8\u30eb:\u30e6\u30fc\u30b6\u30fc\u306fExchange Online\u306e\u5171\u6709\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304b\u3089\u7279\u5b9a\u306e\u6697\u53f7\u5316\u3055\u308c\u305f\u30e1\u30fc\u30eb\u306b\u76f4\u63a5\u8fd4\u4fe1\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\u5171\u6709\u30e1\u30fc\u30eb\u30dc\u30c3\u30af\u30b9\u304b\u3089\u7279\u5b9a\u306e\u6697\u53f7\u5316\u30e1\u30fc\u30eb\u306b\u76f4\u63a5\u8fd4\u4fe1\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u6700\u7d42\u72b6\u6cc1:\u521d\u671f\u8abf\u67fb\u306e\u7d50\u679c\u3001\u554f\u984c\u306f\u610f\u56f3\u7684\u3067\u3042\u308a\u3001\u30b5\u30fc\u30d3\u30b9\u306f\u5065\u5168\u3067\u3042\u308b\u3068\u5224\u65ad\u3057\u307e\u3057\u305f\u3002\u5b9f\u969b\u306b\u306f\u30b5\u30fc\u30d3\u30b9\u4e0a\u306e\u4e8b\u6545\u306f\u767a\u751f\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u3053\u306e\u9023\u7d61\u306f24\u6642\u9593\u4ee5\u5185\u306b\u671f\u9650\u5207\u308c\u3068\u306a\u308a\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>EX1279879 | Exchange Online | Users may be unable to respond directly to specific encrypted email messages fro [&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-15968","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15968","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=15968"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15968\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=15968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=15968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=15968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}