{"id":16728,"date":"2026-06-06T09:00:57","date_gmt":"2026-06-06T00:00:57","guid":{"rendered":"https:\/\/m365jp.net\/?p=16728"},"modified":"2026-06-06T09:02:13","modified_gmt":"2026-06-06T00:02:13","slug":"servicedegradation-dz1333265-microsoft-defender-xdr-some-admins-may-be-unable-to-access-and-manage-configured-gdap-tenants-in-microsoft-defender-3","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-06-06-servicedegradation-dz1333265-microsoft-defender-xdr-some-admins-may-be-unable-to-access-and-manage-configured-gdap-tenants-in-microsoft-defender-3","title":{"rendered":"[serviceDegradation] DZ1333265 | Microsoft Defender XDR | Some admins may be unable to access and manage configured GDAP tenants in Microsoft Defender"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">DZ1333265 | Microsoft Defender XDR | Some admins may be unable to access and manage configured GDAP tenants in Microsoft Defender<\/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>Admins may be unable to access and manage configured GDAP tenants in Microsoft Defender.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>06\/05\/2026 23:24:59<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>05\/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 admins may be unable to access and manage configured GDAP tenants in Microsoft Defender<\/p>\n<p>  User impact: Admins may be unable to access and manage configured GDAP tenants in Microsoft Defender.<\/p>\n<p>  More info: Impacted admins may find that previously configured GDAP (Granular Delegated Admin Privilege) tenants are no longer visible or accessible within the tenant switcher in the Microsoft Defender portal. In some cases, admins may also encounter messaging   indicating access to \u201c0 out of 1 tenants,\u201d despite having valid GDAP relationships and appropriate administrative permissions.<\/p>\n<p>  Current status: We\u2019ve completed deploying our code fix and are monitoring the service telemetry for an extended period of time to confirm that the issue is resolved.<\/p>\n<p>  Scope of impact: Some admins attempting to access configured GDAP-connected tenants in Microsoft Defender tenant views may be impacted.<\/p>\n<p>  Start time: Thursday, May 28, 2026, at 12:00 AM UTC<\/p>\n<p>  Root cause: A recent service update to partner\u2013customer relationship functionality introduced a regression that&#8217;s causing some GDAP-connected tenants to incorrectly return an empty tenant list, resulting in impact.<\/p>\n<p>  Next update by: Monday, June 08, 2026, at 5:00 AM UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>DZ1333265 | Microsoft Defender XDR | Some admins may be unable to access and manage configured GDAP tenants in [&hellip;]<\/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-16728","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16728","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=16728"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16728\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=16728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=16728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=16728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}