{"id":15214,"date":"2026-03-03T04:01:41","date_gmt":"2026-03-02T19:01:41","guid":{"rendered":"https:\/\/m365jp.net\/?p=15214"},"modified":"2026-03-03T04:01:45","modified_gmt":"2026-03-02T19:01:45","slug":"mc693863-updated-azure-acs-retirement-in-microsoft-365-6","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-03-03-mc693863-updated-azure-acs-retirement-in-microsoft-365-6","title":{"rendered":"MC693863 | (Updated) Azure ACS retirement in Microsoft 365"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC693863 | (Updated) Azure ACS retirement in Microsoft 365<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Classification<\/th>\n<td>planForChange<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>03\/02\/2026 18:09:42<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>11\/27\/2023 23:28:50<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>05\/05\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p>Updated March 2, 2026: This update serves as a final reminder that Azure ACS in Microsoft 365 will retire and stop working 1 month from now (April 2, 2026).<\/p>\n<p>Since the first use of Azure Access Control Services (ACS) by SharePoint in 2013, Microsoft has evolved the authorization and authentication options for SharePoint Online via Microsoft Entra ID (a.k.a. Azure AD). Using  <a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/active-directory\/develop\/\" target=\"_blank\" style=\"font-family: sans-serif;font-weight: 400\">  Microsoft Entra ID<\/a> as auth platform for your SharePoint Online customizations will provide your applications the most secure, compliant and future proof model. With our continued investment in Microsoft Entra ID, Microsoft is retiring the use of Azure ACS   as auth platform for SharePoint Online.<\/p>\n<p>[Key Points:]<\/p>\n<ul>\n<li>Major: Retirement<\/li>\n<li>Timeline:\n<ul>\n<li>Starting November 1st, 2024, new tenants will not be able use Azure ACS.<\/li>\n<li>Starting <i>April 2, 2026<\/i>, Microsoft will remove the ability use SharePoint ACS for existing tenants.<\/li>\n<\/ul>\n<\/li>\n<li>Action: Review and assess impact<\/li>\n<\/ul>\n<p>[How this will affect your organization]   <\/p>\n<p>If your organization still uses Azure ACS to grant custom developed or third party applications access to SharePoint Online, they will no longer have access after April 2nd, 2026. We recommend customers to update their customizations to use Microsoft Entra   ID and ask their solution vendors to do the same.   <\/p>\n<p>[What you need to do to prepare]   <\/p>\n<p>You will want to notify your Azure ACS users and developers. Update your user training and prepare your help desk.    <\/p>\n<p>For admins   <\/p>\n<ul>\n<li>Use the <a href=\"https:\/\/aka.ms\/assessment\/addinsacs\" target=\"_blank\">Microsoft 365 Assessment tool<\/a> to scan your tenants for Azure ACS usage.    <\/li>\n<li>Review the guidance for <a href=\"https:\/\/aka.ms\/retirement\/acs\/guidance\" target=\"_blank\">  migrating from Azure ACS to Microsoft Entra ID<\/a>.   <\/li>\n<li>There will not be an option to extend Azure ACS usage for SharePoint Online beyond April 2nd 2026.    <\/li>\n<\/ul>\n<p>Learn more   <\/p>\n<ul>\n<li>Support update for the <a href=\"https:\/\/aka.ms\/retirement\/acs\/support\" target=\"_blank\">  retirement of Azure ACS for SharePoint Online<\/a> in Microsoft 365.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p>2026\u5e743\u67082\u65e5\u66f4\u65b0:\u3053\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001Microsoft 365\u306eAzure ACS\u304c1\u304b\u6708\u5f8c(2026\u5e744\u67082\u65e5)\u3067\u7d42\u4e86\u3057\u3001\u52d5\u4f5c\u3092\u505c\u6b62\u3059\u308b\u3053\u3068\u3092\u6700\u5f8c\u306b\u304a\u77e5\u3089\u305b\u3057\u307e\u3059\u3002<\/p>\n<p>2013\u5e74\u306bSharePoint\u304cAzure Access Control Services(ACS)\u3092\u521d\u3081\u3066\u5c0e\u5165\u3057\u3066\u4ee5\u6765\u3001Microsoft\u306fMicrosoft Entra ID(\u5225\u540dAzure AD)\u3092\u901a\u3058\u3066SharePoint Online\u306e\u8a8d\u8a3c\u304a\u3088\u3073\u8a8d\u8a3c\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u9032\u5316\u3055\u305b\u3066\u304d\u307e\u3057\u305f\u3002  <a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/active-directory\/develop\/\" target=\"_blank\" style=\"font-family: sans-serif;font-weight: 400\">  Microsoft Entra ID<\/a> \u3092SharePoint Online\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u8a8d\u8a3c\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u6700\u3082\u5b89\u5168\u3067\u6e96\u62e0\u3001\u5c06\u6765\u6027\u306e\u3042\u308b\u30e2\u30c7\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002Microsoft Entra ID\u3078\u306e\u7d99\u7d9a\u7684\u306a\u6295\u8cc7\u306b\u3088\u308a\u3001Microsoft \u306fSharePoint Online\u306e\u8a8d\u8a3c\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u3057\u3066\u306eAzure ACS\u306e\u4f7f\u7528\u3092\u5ec3\u6b62\u3057\u307e\u3059\u3002<\/p>\n<p>[\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8:]<\/p>\n<ul>\n<li>\u30e1\u30b8\u30e3\u30fc:\u5f15\u9000<\/li>\n<li>\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3:\n<ul>\n<li>2024\u5e7411\u67081\u65e5\u4ee5\u964d\u3001\u65b0\u898f\u30c6\u30ca\u30f3\u30c8\u306fAzure ACS\u3092\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><i>2026\u5e744\u67082\u65e5<\/i>\u304b\u3089\u3001Microsoft\u306f\u65e2\u5b58\u30c6\u30ca\u30f3\u30c8\u306b\u5bfe\u3057\u3066SharePoint ACS\u306e\u4f7f\u7528\u6a5f\u80fd\u3092\u5ec3\u6b62\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u884c\u52d5:\u52b9\u679c\u3092\u898b\u76f4\u3057\u8a55\u4fa1\u3059\u308b<\/li>\n<\/ul>\n<p>\u3010\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b\u3011<\/p>\n<p>\u3082\u3057\u7d44\u7e54\u304cAzure ACS\u3092\u4f7f\u3063\u3066\u30ab\u30b9\u30bf\u30e0\u958b\u767a\u3084\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306bSharePoint Online\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3057\u3066\u3044\u308b\u5834\u5408\u30012026\u5e744\u67082\u65e5\u4ee5\u964d\u306f\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u5931\u3044\u307e\u3059\u3002\u304a\u5ba2\u69d8\u306bMicrosoft Entra ID\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3092\u66f4\u65b0\u3057\u3001\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30d9\u30f3\u30c0\u30fc\u306b\u3082\u540c\u69d8\u306e\u5bfe\u5fdc\u3092\u6c42\u3081\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3010\u6e96\u5099\u306e\u305f\u3081\u306b\u3084\u308b\u3079\u304d\u3053\u3068\u3011<\/p>\n<p>Azure ACS\u306e\u30e6\u30fc\u30b6\u30fc\u3084\u958b\u767a\u8005\u306b\u901a\u77e5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3092\u66f4\u65b0\u3057\u3001\u30d8\u30eb\u30d7\u30c7\u30b9\u30af\u306e\u6e96\u5099\u3092\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u7ba1\u7406\u8005\u306e\u305f\u3081\u306b<\/p>\n<ul>\n<li><a href=\"https:\/\/aka.ms\/assessment\/addinsacs\" target=\"_blank\">Microsoft 365\u306e\u8a55\u4fa1\u30c4\u30fc\u30eb<\/a>\u3092\u4f7f\u3063\u3066\u3001\u30c6\u30ca\u30f3\u30c8\u306eAzure ACS\u5229\u7528\u72b6\u6cc1\u3092\u30b9\u30ad\u30e3\u30f3\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><a href=\"https:\/\/aka.ms\/retirement\/acs\/guidance\" target=\"_blank\">Azure ACS\u304b\u3089Microsoft Entra ID\u3078\u306e\u79fb\u884c<\/a>\u306b\u95a2\u3059\u308b\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>SharePoint Online\u306eAzure ACS\u5229\u7528\u671f\u9593\u30922026\u5e744\u67082\u65e5\u4ee5\u964d\u306b\u5ef6\u9577\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<p>\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/p>\n<ul>\n<li>Microsoft 365\u306b\u304a\u3051\u308b <a href=\"https:\/\/aka.ms\/retirement\/acs\/support\" target=\"_blank\">  Azure ACS for SharePoint Online\u306e\u5ec3<\/a> \u6b62\u306b\u95a2\u3059\u308b\u30b5\u30dd\u30fc\u30c8\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3002<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC693863 | (Updated) Azure ACS retirement in Microsoft 365 Classification planForChange Last Updated 03\/02\/202 [&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-15214","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15214","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=15214"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15214\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=15214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=15214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=15214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}