{"id":18211,"date":"2026-09-01T04:02:29","date_gmt":"2026-08-31T19:02:29","guid":{"rendered":"https:\/\/m365jp.net\/?p=18211"},"modified":"2026-09-01T04:09:58","modified_gmt":"2026-08-31T19:09:58","slug":"servicedegradation-sp1464785-sharepoint-online-some-users-may-be-unable-to-access-sharepoint-online-sites-configured-with-authentication-context","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-09-01-servicedegradation-sp1464785-sharepoint-online-some-users-may-be-unable-to-access-sharepoint-online-sites-configured-with-authentication-context","title":{"rendered":"[serviceDegradation] SP1464785 | SharePoint Online | Some users may be unable to access SharePoint Online sites configured with Authentication Context"},"content":{"rendered":"
\n
\n
\n\n\n\n
SP1464785 | SharePoint Online | Some users may be unable to access SharePoint Online sites configured with Authentication Context<\/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>\nincident<\/td>\n<\/tr>\n
User Impact<\/th>\nUsers may be unable to access SharePoint Online sites configured with Authentication Context.<\/td>\n<\/tr>\n
Last Updated<\/th>\n08\/31\/2026 18:09:45<\/td>\n<\/tr>\n
Start Time<\/th>\n08\/28\/2026 00:00:00<\/td>\n<\/tr>\n
End Time<\/th>\n<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Some users may be unable to access SharePoint Online sites configured with Authentication Context <\/p>\n

User impact: Users may be unable to access SharePoint Online sites configured with Authentication Context. <\/p>\n

More info: Specifically, users are unable to access SharePoint Online sites configured with Authentication Context through sensitivity labels.<\/p>\n

Users receive the following error message:<\/p>\n

“Server Error in ‘\/’ Application.”<\/p>\n

As a workaround, users may be able to temporarily access the affected content by first clearing internet browser cookies and navigating to the root site collection before opening the direct link. Users could also open a new browser tab on the same session and access the site. The link may work as well. <\/p>\n

Current status: Our investigation of the Authentication Context configuration is ongoing as we work to confirm the source of the impact before we can begin to develop a mitigation strategy. <\/p>\n

Scope of impact: Some users attempting to access SharePoint Online sites configured with Authentication Context through sensitivity labels may be impacted. <\/p>\n

Start time: Friday, August 28, 2026, at 12:00 AM UTC <\/p>\n

Next update by: Monday, August 31, 2026, at 8:00 PM UTC<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb:\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u8a8d\u8a3c\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u8a2d\u5b9a\u3055\u308c\u305fSharePoint Online\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059 <\/p>\n

\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:\u8a8d\u8a3c\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u8a2d\u5b9a\u3055\u308c\u305fSharePoint Online\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u8a73\u7d30\u60c5\u5831:\u5177\u4f53\u7684\u306b\u306f\u3001Authentication Context\u3067\u8a2d\u5b9a\u3055\u308c\u305fSharePoint\u30aa\u30f3\u30e9\u30a4\u30f3\u30b5\u30a4\u30c8\u306b\u654f\u611f\u5ea6\u30e9\u30d9\u30eb\u3092\u4f7f\u3063\u3066\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

\u30e6\u30fc\u30b6\u30fc\u306f\u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059:<\/p>\n

\u300c\u300e\/\u300f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30b5\u30fc\u30d0\u30fc\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u300d<\/p>\n

\u56de\u907f\u7b56\u3068\u3057\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u307e\u305a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d6\u30e9\u30a6\u30b6\u306e\u30af\u30c3\u30ad\u30fc\u3092\u30af\u30ea\u30a2\u3057\u3001\u30eb\u30fc\u30c8\u30b5\u30a4\u30c8\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u79fb\u52d5\u3057\u3066\u304b\u3089\u76f4\u63a5\u30ea\u30f3\u30af\u3092\u958b\u304f\u3053\u3068\u3067\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u4e00\u6642\u7684\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u540c\u3058\u30bb\u30c3\u30b7\u30e7\u30f3\u5185\u3067\u65b0\u3057\u3044\u30d6\u30e9\u30a6\u30b6\u30bf\u30d6\u3092\u958b\u3044\u3066\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u30ea\u30f3\u30af\u3082\u6a5f\u80fd\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u73fe\u72b6:\u8a8d\u8a3c\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u8a2d\u5b9a\u306e\u8abf\u67fb\u306f\u7d99\u7d9a\u4e2d\u3067\u3001\u5f71\u97ff\u6e90\u306e\u78ba\u8a8d\u3092\u9032\u3081\u3066\u304b\u3089\u7de9\u548c\u7b56\u306e\u7b56\u5b9a\u3092\u958b\u59cb\u3057\u307e\u3059\u3002 <\/p>\n

\u5f71\u97ff\u7bc4\u56f2:\u30bb\u30f3\u30b7\u30c6\u30a3\u30b7\u30c6\u30a3\u30fc\u30e9\u30d9\u30eb\u3092\u901a\u3058\u3066\u8a8d\u8a3c\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u8a2d\u5b9a\u3057\u305fSharePoint Online\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306f\u5f71\u97ff\u3092\u53d7\u3051\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u958b\u59cb\u6642\u9593:2026\u5e748\u670828\u65e5\u91d1\u66dc\u65e5 0:00 UTC <\/p>\n

\u6b21\u56de\u66f4\u65b0:2026\u5e748\u670831\u65e5(\u6708)\u5348\u5f8c8\u6642(UTC)<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

SP1464785 | SharePoint Online | Some users may be unable to access SharePoint Online sites configured with Aut […]<\/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-18211","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18211","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=18211"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18211\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=18211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=18211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=18211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}