{"id":15335,"date":"2026-03-12T10:01:42","date_gmt":"2026-03-12T01:01:42","guid":{"rendered":"https:\/\/m365jp.net\/?p=15335"},"modified":"2026-03-12T10:03:18","modified_gmt":"2026-03-12T01:03:18","slug":"mc1249428-retirement-of-the-semi-annual-enterprise-channel-installation-option-for-unmanaged-devices","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-03-12-mc1249428-retirement-of-the-semi-annual-enterprise-channel-installation-option-for-unmanaged-devices","title":{"rendered":"MC1249428 | Retirement of the Semi-Annual Enterprise Channel installation option for unmanaged devices"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1249428 | Retirement of the Semi-Annual Enterprise Channel installation option for unmanaged devices<\/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\/12\/2026 00:06:26<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>03\/12\/2026 00:05:50<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>05\/11\/2026 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p><b>[Introduction]<\/b><\/p>\n<p>Starting in April 2026, Microsoft <b>will retire the Semi-Annual Enterprise Channel installation option<\/b> for unmanaged devices in the Microsoft 365 admin center. We are making this change to streamline installation choices and help organizations move   toward more predictable, secure, and up-to-date release channels.<\/p>\n<p>This retirement only affects the installation option for unmanaged devices. It does not change the update channel of any existing unmanaged device already assigned to the Semi-Annual Enterprise Channel.<\/p>\n<p>For more details on which devices are affected, review&nbsp;<a href=\"https:\/\/learn.microsoft.com\/microsoft-365-apps\/deploy\/manage-software-download-settings-office-365\" target=\"_blank\">Manage Microsoft 365 installation options in the Microsoft 365 admin center<\/a>.<\/p>\n<p><b>[When this will happen]<\/b><\/p>\n<ul>\n<li><b>Worldwide and GCC: <\/b>We will begin retiring this option on<b> April 6, 2026,  <\/b>and expect to complete the retirement by <b>April 11, 2026.<\/b><\/li>\n<\/ul>\n<p><b>[How this affects your organization]<\/b><\/p>\n<p><i>Who is affected<\/i><\/p>\n<ul>\n<li>Admins who manage Microsoft 365 Apps installation options for <b>unmanaged devices<\/b> through the  <a href=\"https:\/\/admin.microsoft.com\/Adminportal\/Home#\/homepage\" target=\"_blank\">  Microsoft 365 admin center<\/a>.<\/li>\n<li>Tenants currently using the Semi-Annual Enterprise Channel <b>only<\/b> for unmanaged installation scenarios.<\/li>\n<\/ul>\n<p><i>What will happen<\/i><\/p>\n<ul>\n<li>The<b> Semi-Annual Enterprise Channel installation option will be retired<\/b> for unmanaged devices starting on<b>&nbsp;April 6, 2026<\/b>.<\/li>\n<li>If your tenant currently has this channel selected:\n<ul>\n<li>Your existing selection will remain but will appear <b>grayed out<\/b>.<\/li>\n<li>If you switch to a different update channel, you <b>cannot reselect<\/b> the Semi-Annual Enterprise Channel for unmanaged installations.<\/li>\n<\/ul>\n<\/li>\n<li>Existing unmanaged devices configured for this channel will continue to use it until you manually change the update channel.<\/li>\n<li>Devices managed through <b>Intune<\/b>, <b>Configuration Manager<\/b>, <b>Cloud Update<\/b>, or other management tools are  <b>not affected<\/b> by this retirement.<\/li>\n<\/ul>\n<p><b>[What you can do to prepare]<\/b><\/p>\n<p>No action is required at this time.<\/p>\n<p>Optionally, you may:<\/p>\n<ul>\n<li>Review your current installation channel selection for unmanaged devices.<\/li>\n<li>Evaluate alternative update management approaches, such as <b>Cloud Update<\/b>,  <b>Microsoft Intune<\/b>, or <b>Configuration Manager<\/b>.<\/li>\n<li>Use Microsoft Learn guidance to change the update channel when appropriate: <a href=\"https:\/\/learn.microsoft.com\/microsoft-365-apps\/updates\/change-update-channels\" target=\"_blank\">  Change the Microsoft 365 Apps update channel for devices in your organization | Microsoft 365 | Microsoft Learn<\/a>.<\/li>\n<\/ul>\n<p><b>[Compliance considerations]<\/b><\/p>\n<p>No compliance considerations identified. Review as appropriate for your organization.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p><b>[\u306f\u3058\u3081\u306b]<\/b><\/p>\n<p>2026\u5e744\u6708\u304b\u3089\u3001Microsoft 365\u7ba1\u7406\u30bb\u30f3\u30bf\u30fc\u306b\u304a\u3051\u308b\u975e\u7ba1\u7406\u30c7\u30d0\u30a4\u30b9\u5411\u3051\u306e <b>\u30bb\u30df\u30a2\u30a4\u30e4\u30fc\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30c1\u30e3\u30cd\u30eb\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5ec3\u6b62\u3057\u307e\u3059<\/b> \u3002\u3053\u306e\u5909\u66f4\u306f\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u9078\u629e\u80a2\u3092\u52b9\u7387\u5316\u3057\u3001\u7d44\u7e54\u304c\u3088\u308a\u4e88\u6e2c\u53ef\u80fd\u3067\u5b89\u5168\u304b\u3064\u6700\u65b0\u306e\u30ea\u30ea\u30fc\u30b9\u30c1\u30e3\u30cd\u30eb\u3078\u3068\u79fb\u884c\u3067\u304d\u308b\u3088\u3046\u652f\u63f4\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30ea\u30bf\u30a4\u30a2\u306f\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u306e\u307f\u5f71\u97ff\u3057\u307e\u3059\u3002\u30bb\u30df\u30a2\u30a4\u30e4\u30fc\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30c1\u30e3\u30cd\u30eb\u306b\u65e2\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u308b\u65e2\u5b58\u306e\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u306e\u66f4\u65b0\u30c1\u30e3\u30cd\u30eb\u306f\u5909\u66f4\u3057\u307e\u305b\u3093\u3002<\/p>\n<p>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30c7\u30d0\u30a4\u30b9\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/learn.microsoft.com\/microsoft-365-apps\/deploy\/manage-software-download-settings-office-365\" target=\"_blank\">Microsoft 365\u7ba1\u7406\u30bb\u30f3\u30bf\u30fc\u306e\u300cMicrosoft 365\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u7ba1\u7406<\/a>\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044&nbsp;\u3002<\/p>\n<p><b>[\u3044\u3064\u8d77\u3053\u308b\u304b]<\/b><\/p>\n<ul>\n<li><b>\u4e16\u754c\u304a\u3088\u3073GCC: <\/b>\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f<b>2026\u5e744\u67086<\/b>\u65e5\u304b\u3089\u7d42\u4e86\u3092\u958b\u59cb\u3057\u3001<b>2026\u5e744\u670811<\/b>\u65e5\u307e\u3067\u306b\u9000\u8077\u3092\u5b8c\u4e86\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/li>\n<\/ul>\n<p><b>[\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u4e0e\u3048\u308b\u5f71\u97ff]<\/b><\/p>\n<p><i>\u5f71\u97ff\u3092\u53d7\u3051\u308b\u4eba\u7269<\/i><\/p>\n<ul>\n<li>\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044 <b>\u30c7\u30d0\u30a4\u30b9\u306e<\/b> Microsoft 365 Apps\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u3092Microsoft <a href=\"https:\/\/admin.microsoft.com\/Adminportal\/Home#\/homepage\" target=\"_blank\">  365\u7ba1\u7406\u30bb\u30f3\u30bf\u30fc<\/a>\u3092\u901a\u3058\u3066\u7ba1\u7406\u3059\u308b\u7ba1\u7406\u8005\u3002<\/li>\n<li>\u73fe\u5728\u3001\u30c6\u30ca\u30f3\u30c8\u306f\u975e\u7ba1\u7406\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb <b>\u30b7\u30ca\u30ea\u30aa\u306b\u306e\u307f\u30bb<\/b> \u30df\u30a2\u30ca\u30eb\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30c1\u30e3\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><i>\u4f55\u304c\u8d77\u3053\u308b\u306e\u304b<\/i><\/p>\n<ul>\n<li><b>2026\u5e744\u67086\u65e5\u304b\u3089&nbsp;<\/b>\u3001\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u306b\u5bfe\u3057\u3066\u30bb<b>\u30df\u30ca\u30a4\u30e4\u30fc\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30c1\u30e3\u30cd\u30eb\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5ec3\u6b62\u3055\u308c\u307e\u3059<\/b>\u3002<\/li>\n<li>\u3082\u3057\u3042\u306a\u305f\u306e\u30c6\u30ca\u30f3\u30c8\u304c\u73fe\u5728\u3053\u306e\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u9078\u629e\u3057\u3066\u3044\u308b\u5834\u5408:\n<ul>\n<li>\u65e2\u5b58\u306e\u9078\u629e\u306f\u6b8b\u308a\u307e\u3059\u304c\u3001 <b>\u30b0\u30ec\u30fc\u30a2\u30a6\u30c8\u3057\u3066\u8868\u793a\u3055\u308c\u307e\u3059<\/b>\u3002<\/li>\n<li>\u5225\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u30c1\u30e3\u30cd\u30eb\u306b\u5207\u308a\u66ff\u3048\u308b\u3068\u3001\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u7528\u306e\u30bb\u30df\u30ca\u30a4\u30e4\u30fc\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30c1\u30e3\u30cd\u30eb <b>\u3092\u518d\u9078\u629e\u3067\u304d\u307e\u305b\u3093<\/b> \u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u3053\u306e\u30c1\u30e3\u30cd\u30eb\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u65e2\u5b58\u306e\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u624b\u52d5\u3067\u66f4\u65b0\u30c1\u30e3\u30cd\u30eb\u3092\u5909\u66f4\u3059\u308b\u307e\u3067\u3053\u306e\u30c1\u30e3\u30cd\u30eb\u3092\u4f7f\u3044\u7d9a\u3051\u307e\u3059\u3002<\/li>\n<li><b>Intune<\/b>\u3001<b>Configuration Manager<\/b>\u3001<b>Cloud Update<\/b>\u3001\u305d\u306e\u4ed6\u306e\u7ba1\u7406\u30c4\u30fc\u30eb\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u3053\u306e\u5ec3\u6b62\u306e\u5f71\u97ff\u3092\u53d7\u3051<b>\u307e\u305b\u3093<\/b>\u3002<\/li>\n<\/ul>\n<p><b>\u3010\u6e96\u5099\u306e\u305f\u3081\u306b\u3067\u304d\u308b\u3053\u3068\u3011<\/b><\/p>\n<p>\u73fe\u6642\u70b9\u3067\u306f\u5bfe\u5fdc\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u3001\u4ee5\u4e0b\u3082\u53ef\u80fd\u3067\u3059:<\/p>\n<ul>\n<li>\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u30c7\u30d0\u30a4\u30b9\u306e\u73fe\u5728\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30c1\u30e3\u30cd\u30eb\u306e\u9078\u629e\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li><b>Cloud Update<\/b>\u3001<b>Microsoft Intune<\/b>\u3001<b>Configuration Manager<\/b>\u306a\u3069\u306e\u4ee3\u66ff\u7684\u306a\u66f4\u65b0\u7ba1\u7406\u624b\u6cd5\u3092\u8a55\u4fa1\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n<li>\u9069\u5207\u306a\u5834\u5408\u306fMicrosoft Learn\u306e\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u30c1\u30e3\u30cd\u30eb\u3092\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044:\u7d44\u7e54 <a href=\"https:\/\/learn.microsoft.com\/microsoft-365-apps\/updates\/change-update-channels\" target=\"_blank\">  \u5185\u306e\u30c7\u30d0\u30a4\u30b9\u5411\u3051\u306bMicrosoft 365\u30a2\u30d7\u30ea\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u30c1\u30e3\u30cd\u30eb\u3092\u5909\u66f4\u3059\u308b |Microsoft 365 |Microsoft Learn<\/a>\u3002<\/li>\n<\/ul>\n<p><b>[\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u8003\u616e\u4e8b\u9805]<\/b><\/p>\n<p>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u4e0a\u306e\u8003\u616e\u4e8b\u9805\u306f\u7279\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u5fdc\u3058\u3066\u30ec\u30d3\u30e5\u30fc\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1249428 | Retirement of the Semi-Annual Enterprise Channel installation option for unmanaged devices Classif [&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-15335","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15335","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=15335"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/15335\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=15335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=15335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=15335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}