{"id":14435,"date":"2026-01-07T10:01:21","date_gmt":"2026-01-07T01:01:21","guid":{"rendered":"https:\/\/m365jp.net\/?p=14435"},"modified":"2026-01-07T10:02:39","modified_gmt":"2026-01-07T01:02:39","slug":"servicedegradation-mo1213801-microsoft-365-suite-users-may-be-unable-to-access-shared-microsoft-to-do-lists-4","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-01-07-servicedegradation-mo1213801-microsoft-365-suite-users-may-be-unable-to-access-shared-microsoft-to-do-lists-4","title":{"rendered":"[serviceDegradation] MO1213801 | Microsoft 365 suite | Users may be unable to access shared Microsoft To Do lists"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MO1213801 | Microsoft 365 suite | Users may be unable to access shared Microsoft To Do lists<\/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>advisory<\/td>\n<\/tr>\n<tr>\n<th>User Impact<\/th>\n<td>Users may be unable to access shared Microsoft To Do lists.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>01\/07\/2026 00:36:24<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>12\/29\/2025 20:00:00<\/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: Users may be unable to access shared Microsoft To Do lists<\/p>\n<p>  User impact: Users may be unable to access shared Microsoft To Do lists.<\/p>\n<p>  More info: Users may also be unable to open shared To Do list invitation links.<\/p>\n<p>  Current status: We&#8217;re continuing to analyze a reproduction of the impact within our internal testing environment as well as reviewing recent updates.<\/p>\n<p>  Scope of impact: This issue may potentially impact any user attempting to access shared Microsoft To Do lists.<\/p>\n<p>  Start time: Monday, December 29, 2025, at 8:00 PM UTC<\/p>\n<p>  Next update by: Wednesday, January 7, 2026, at 8:00 PM UTC<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\u30bf\u30a4\u30c8\u30eb:\u30e6\u30fc\u30b6\u30fc\u306f\u5171\u6709\u3055\u308c\u305fMicrosoft\u306eTo Do\u30ea\u30b9\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:\u30e6\u30fc\u30b6\u30fc\u306f\u5171\u6709\u3055\u308c\u305fMicrosoft\u306eTo Do\u30ea\u30b9\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u8a73\u7d30\u60c5\u5831:\u30e6\u30fc\u30b6\u30fc\u306f\u5171\u6709\u306eTo Do\u30ea\u30b9\u30c8\u306e\u62db\u5f85\u30ea\u30f3\u30af\u3092\u958b\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u73fe\u72b6:\u5185\u90e8\u30c6\u30b9\u30c8\u74b0\u5883\u5185\u3067\u306e\u5f71\u97ff\u518d\u73fe\u3092\u5206\u6790\u3057\u7d9a\u3051\u308b\u3068\u3068\u3082\u306b\u3001\u6700\u8fd1\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3082\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>  \u5f71\u97ff\u7bc4\u56f2:\u3053\u306e\u554f\u984c\u306f\u3001\u5171\u6709\u3055\u308c\u305fMicrosoft To Do\u30ea\u30b9\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u958b\u59cb\u6642\u9593:2025\u5e7412\u670829\u65e5(\u6708)\u5348\u5f8c8\u6642(UTC)<\/p>\n<p>  \u6b21\u56de\u66f4\u65b0:2026\u5e741\u67087\u65e5\u6c34\u66dc\u65e5 \u5348\u5f8c8\u6642 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MO1213801 | Microsoft 365 suite | Users may be unable to access shared Microsoft To Do lists Status serviceDeg 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