{"id":18823,"date":"2026-10-08T04:02:18","date_gmt":"2026-10-07T19:02:18","guid":{"rendered":"https:\/\/m365jp.net\/?p=18823"},"modified":"2026-10-08T04:12:28","modified_gmt":"2026-10-07T19:12:28","slug":"servicedegradation-dz1490573-microsoft-defender-xdr-some-admins-may-be-unable-to-access-the-action-center-in-the-microsoft-defender-portal","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-10-08-servicedegradation-dz1490573-microsoft-defender-xdr-some-admins-may-be-unable-to-access-the-action-center-in-the-microsoft-defender-portal","title":{"rendered":"[serviceDegradation] DZ1490573 | Microsoft Defender XDR | Some admins may be unable to access the Action center in the Microsoft Defender portal"},"content":{"rendered":"
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DZ1490573 | Microsoft Defender XDR | Some admins may be unable to access the Action center in the Microsoft Defender portal<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n\n
Status<\/th>\nserviceDegradation<\/td>\n<\/tr>\n
Classification<\/th>\nadvisory<\/td>\n<\/tr>\n
User Impact<\/th>\nAdmins may be unable to access the Action center in the Microsoft Defender portal.<\/td>\n<\/tr>\n
Last Updated<\/th>\n10\/07\/2026 18:52:26<\/td>\n<\/tr>\n
Start Time<\/th>\n10\/07\/2026 17:01:44<\/td>\n<\/tr>\n
End Time<\/th>\n<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Admins can’t access the Action center in the Microsoft Defender portal <\/p>\n

User impact: Admins can’t access the Action center in the Microsoft Defender portal. <\/p>\n

More info: Admins report that clicking on the Action center causes the page to stall and never load. <\/p>\n

Current status: We’re analyzing an internal reproduction of impact to isolate points of impact causing the page to freeze when loading the Action center in the Microsoft Defender portal. <\/p>\n

Scope of impact: Your organization is affected by this event, and any admin can’t access the Action center in the Microsoft Defender portal as the page stalls and never loads. This section may be updated as the investigation progresses. <\/p>\n

Next update by: Wednesday, October 7, 2026, at 8:30 PM UTC<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb:\u7ba1\u7406\u8005\u306fMicrosoft Defender\u30dd\u30fc\u30bf\u30eb\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u30bb\u30f3\u30bf\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093 <\/p>\n

\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:\u7ba1\u7406\u8005\u306fMicrosoft Defender\u30dd\u30fc\u30bf\u30eb\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u30bb\u30f3\u30bf\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u3002 <\/p>\n

\u3055\u3089\u306b\u8a73\u3057\u304f:\u7ba1\u7406\u8005\u306b\u3088\u308b\u3068\u3001\u30a2\u30af\u30b7\u30e7\u30f3\u30bb\u30f3\u30bf\u30fc\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u30da\u30fc\u30b8\u304c\u505c\u6b62\u3057\u3001\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u3068\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <\/p>\n

\u73fe\u72b6:Microsoft Defender\u30dd\u30fc\u30bf\u30eb\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u30bb\u30f3\u30bf\u30fc\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306b\u30da\u30fc\u30b8\u304c\u30d5\u30ea\u30fc\u30ba\u3059\u308b\u539f\u56e0\u3068\u306a\u308b\u5f71\u97ff\u70b9\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u30a4\u30f3\u30d1\u30af\u30c8\u306e\u5185\u90e8\u518d\u73fe\u3092\u5206\u6790\u3057\u3066\u3044\u307e\u3059\u3002 <\/p>\n

\u5f71\u97ff\u7bc4\u56f2:\u3053\u306e\u30a4\u30d9\u30f3\u30c8\u306f\u8cb4\u7d44\u7e54\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3001\u30da\u30fc\u30b8\u304c\u505c\u6b62\u3057\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u305f\u3081\u3001\u7ba1\u7406\u8005\u306fMicrosoft Defender\u30dd\u30fc\u30bf\u30eb\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u30bb\u30f3\u30bf\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306f\u8abf\u67fb\u306e\u9032\u5c55\u306b\u4f34\u3044\u66f4\u65b0\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u6b21\u56de\u66f4\u65b0:2026\u5e7410\u67087\u65e5\u6c34\u66dc\u65e5 \u5348\u5f8c8\u664230\u5206 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

DZ1490573 | Microsoft Defender XDR | Some admins may be unable to access the Action center in the Microsoft De […]<\/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-18823","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18823","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=18823"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18823\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=18823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=18823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=18823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}