{"id":18221,"date":"2026-09-01T07:03:08","date_gmt":"2026-08-31T22:03:08","guid":{"rendered":"https:\/\/m365jp.net\/?p=18221"},"modified":"2026-09-01T07:05:02","modified_gmt":"2026-08-31T22:05:02","slug":"servicedegradation-sp1464785-sharepoint-online-some-users-may-be-unable-to-access-sharepoint-online-sites-configured-with-authentication-context-3","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-3","title":{"rendered":"[serviceDegradation] SP1464785 | SharePoint Online | Some users may be unable to access SharePoint Online sites configured with Authentication Context"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">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<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Status<\/th>\n<td class=\"bad\">serviceDegradation<\/td>\n<\/tr>\n<tr>\n<th>Classification<\/th>\n<td>incident<\/td>\n<\/tr>\n<tr>\n<th>User Impact<\/th>\n<td>Users may be unable to access SharePoint Online sites configured with Authentication Context.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>08\/31\/2026 21:49:50<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>08\/28\/2026 00:00:00<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td><\/td>\n<\/tr>\n<tr>\n<th>Latest Message<\/th>\n<td>Title: Some users may be unable to access SharePoint Online sites configured with Authentication Context  <\/p>\n<p>  User impact: Users may be unable to access SharePoint Online sites configured with Authentication Context.  <\/p>\n<p>  More info: Specifically, users are unable to access SharePoint Online sites configured with Authentication Context through sensitivity labels.<\/p>\n<p>  Users receive the following error message:<\/p>\n<p>  &#8220;Server Error in &#8216;\/&#8217; Application.&#8221;<\/p>\n<p>  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<p>  Current status: We&#8217;ve determined that reverting the update suspected of causing this issue isn&#8217;t a viable path to remediation. We&#8217;re reviewing alternative solutions to confirm the impact and resolve the problem.  <\/p>\n<p>  Scope of impact: Some users attempting to access SharePoint Online sites configured with Authentication Context through sensitivity labels may be impacted.  <\/p>\n<p>  Next update by: Tuesday, September 1, 2026, at 7:00 PM UTC<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\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<p>  \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<p>  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