{"id":18745,"date":"2026-09-26T11:01:10","date_gmt":"2026-09-26T02:01:10","guid":{"rendered":"https:\/\/m365jp.net\/?p=18745"},"modified":"2026-09-26T11:04:57","modified_gmt":"2026-09-26T02:04:57","slug":"servicerestored-mo1479564-microsoft-365-suite-admins-and-users-may-be-unable-to-access-or-utilize-multiple-features-within-some-microsoft-365-services","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-09-26-servicerestored-mo1479564-microsoft-365-suite-admins-and-users-may-be-unable-to-access-or-utilize-multiple-features-within-some-microsoft-365-services","title":{"rendered":"[serviceRestored] MO1479564 | Microsoft 365 suite | Admins and users may be unable to access or utilize multiple features within some Microsoft 365 services"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MO1479564 | Microsoft 365 suite | Admins and users may be unable to access or utilize multiple features within some Microsoft 365 services<\/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\">serviceRestored<\/td>\n<\/tr>\n<tr>\n<th>Classification<\/th>\n<td>advisory<\/td>\n<\/tr>\n<tr>\n<th>User Impact<\/th>\n<td>Admins and users may have been unable to access or utilize multiple features within some Microsoft 365 services.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>09\/26\/2026 01:53:15<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>09\/25\/2026 23:06:44<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>09\/26\/2026 01:38:33<\/td>\n<\/tr>\n<tr>\n<th>Latest Message<\/th>\n<td>Title: Admins and users may be unable to access or utilize multiple features within some Microsoft 365 services <\/p>\n<p> User impact: Admins and users may have been unable to access or utilize multiple features within some Microsoft 365 services. <\/p>\n<p> More info: Specifically, Microsoft 365 for Education services, Microsoft Teams, and Microsoft 365 admin center were impacted, and all the affected scenarios consisted of the following:<\/p>\n<p> &#8211; Users couldn&#8217;t access Search Coach and Search Progress in Teams for Education; reports indicated that it couldn&#8217;t be added as a Teams tab and existing experiences were failing. <\/p>\n<p> &#8211; Parent\/guardian (&#8220;related contact&#8221;) information couldn&#8217;t be retrieved through School Data Sync (SDS). Any scenarios depending on related contacts failed.<\/p>\n<p> -Education admins couldn&#8217;t trigger batch age-gating operations from SDS through the Microsoft 365 admin center<\/p>\n<p> &#8211; Admins and users couldn&#8217;t access Education configuration pages and saw an error message &#8220;cannot load page&#8221; in Microsoft 365 admin center<\/p>\n<p> &#8211; Admins couldn&#8217;t create or manage Speaker Progress resources using Speaker Progress Graph APIs<\/p>\n<p> &#8211; Admins couldn&#8217;t access or utilize Assignments scenarios that call Related Contacts indirectly. <\/p>\n<p> Final status: We&#8217;ve validated through monitoring our service telemetry that access requests are succeeding once again, confirming that this issue is resolved. <\/p>\n<p> Scope of impact: Admins and users who attempted to access or utilize any of the features listed in the More info section may have been impacted by this event. <\/p>\n<p> Start time: Monday, September 21, 2026, at 6:00 AM UTC <\/p>\n<p> End time: Saturday, September 26, 2026, at 1:38 AM UTC <\/p>\n<p> Root cause: A recent roll out of an authentication configuration was causing failures when processing requests to the listed affected scenarios. <\/p>\n<p> Next steps: <br \/> -We&#8217;re investigating the impacting authentication configuration to pinpoint why it was failing to process requests as expected and why this impact wasn&#8217;t caught during the testing and validation phase so that we can prevent similar impact in the future.<\/p>\n<p> This is the final update for the event.<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\u30bf\u30a4\u30c8\u30eb:\u7ba1\u7406\u8005\u304a\u3088\u3073\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u4e00\u90e8\u306eMicrosoft 365\u30b5\u30fc\u30d3\u30b9\u5185\u3067\u8907\u6570\u306e\u6a5f\u80fd\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:\u7ba1\u7406\u8005\u3084\u30e6\u30fc\u30b6\u30fc\u306fMicrosoft 365\u306e\u4e00\u90e8\u30b5\u30fc\u30d3\u30b9\u5185\u306e\u8907\u6570\u306e\u6a5f\u80fd\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304b\u3063\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<p> \u8a73\u7d30\u60c5\u5831:\u5177\u4f53\u7684\u306b\u306f\u3001Microsoft 365 for Education\u30b5\u30fc\u30d3\u30b9\u3001Microsoft Teams\u3001Microsoft 365\u7ba1\u7406\u30bb\u30f3\u30bf\u30fc\u304c\u5f71\u97ff\u3092\u53d7\u3051\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u3059\u3079\u3066\u306e\u30b7\u30ca\u30ea\u30aa\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3057\u305f:<\/p>\n<p> &#8211; 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