{"id":11132,"date":"2025-04-22T09:00:52","date_gmt":"2025-04-22T00:00:52","guid":{"rendered":"https:\/\/m365jp.net\/?p=11132"},"modified":"2025-04-22T09:04:48","modified_gmt":"2025-04-22T00:04:48","slug":"mc1059667-action-required-classic-microsoft-teams-end-of-availability-starts-july-1-2025","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2025-04-22-mc1059667-action-required-classic-microsoft-teams-end-of-availability-starts-july-1-2025","title":{"rendered":"MC1059667 | Action required: Classic Microsoft Teams end of availability starts July 1, 2025"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1059667 | Action required: Classic Microsoft Teams end of availability starts July 1, 2025<\/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>04\/21\/2025 23:47:31<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>04\/21\/2025 23:37:44<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>09\/26\/2025 07:00:00<\/td>\n<\/tr>\n<tr>\n<th>Action Required By Date<\/th>\n<td>2025-06-30T07:00:00Z<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<p>Starting July 1, 2025, classic Microsoft Teams on Mac and Windows desktops will be unavailable to use as mentioned in  <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/teams-classic-client-end-of-availability\" target=\"_blank\">  End of availability for classic Teams client &#8211; Microsoft Teams | Microsoft Learn<\/a>. To avoid any business continuity issues, you must upgrade to new Teams or use Teams on the web at  <a href=\"https:\/\/teams.microsoft.com\" target=\"_blank\">https:\/\/teams.microsoft.com<\/a>.  <\/p>\n<p>[How this will affect your organization:]  <\/p>\n<p>Starting July 1, 2025, classic Teams users will be blocked from using classic Teams. Users will not be able to dismiss the blocking message or use the classic Teams desktop app.  <\/p>\n<p>[What you need to do to prepare:]  <\/p>\n<ul>\n<li>Use this <a href=\"https:\/\/learn.microsoft.com\/MicrosoftTeams\/new-teams-preinstallation-script\" target=\"_blank\">  script<\/a> to find Windows devices that need to be upgraded to new Teams. While the main purpose of the script is to identify issues before installation of new Teams, it can also be used to detect devices running unsupported OS for new Teams Installation.  <\/li>\n<li>Upgrade users as soon as possible to the new Teams app. Learn more about <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/new-teams-bulk-install-client#prerequisites-for-target-computers\" target=\"_blank\">  switching to new Teams<\/a>. Prerequisites for new Teams installation: <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/new-teams-deploy-using-policies?tabs=teams-admin-center#prerequisites\" target=\"_blank\">  Windows<\/a> and <a href=\"https:\/\/learn.microsoft.com\/en-us\/microsoftteams\/new-teams-mac-install-prerequisites#prerequisites\" target=\"_blank\">  Mac<\/a>.  <\/li>\n<\/ul>\n<p><i>Published MC posts for reference<\/i>  <\/p>\n<ul>\n<li>MC783985 \/ <i>Classic Teams Timelines for end of support and end of availability,<\/i> published April 2024  <\/li>\n<li>MC791446 \/ <i>Classic Microsoft Teams timelines for end of support and end of availability (GCC and GCC High),<\/i> published May 2024  <\/li>\n<li>MC791445 \/ <i>Classic Microsoft Teams timelines for end of support and end of availability (DoD),<\/i> published May 2024<\/li>\n<\/ul>\n<p>Thank you for being a valued Teams customer.  <\/p>\n<p><i>Learn more<\/i>  <\/p>\n<ul>\n<li><a href=\"https:\/\/learn.microsoft.com\/MicrosoftTeams\/new-teams-preinstallation-script\" target=\"_blank\">Pre-installation script for new Teams client &#8211; Microsoft Teams | Microsoft Learn<\/a>  <\/li>\n<li>The <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/new-teams-bulk-install-client#prerequisites-for-target-computers\" target=\"_blank\">  Prerequisites for target computers<\/a> section of <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/new-teams-bulk-install-client\" target=\"_blank\">  Bulk deploy the new Microsoft Teams desktop client &#8211; Microsoft Teams | Microsoft Learn<\/a><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<p>2025 \u5e74 7 \u6708 1 \u65e5\u4ee5\u964d\u3001\u300c\u30af\u30e9\u30b7\u30c3\u30af Microsoft Teams <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/teams-classic-client-end-of-availability\" target=\"_blank\">  \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u63d0\u4f9b\u7d42\u4e86 &#8211; Microsoft Teams |\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8 \u30e9\u30fc\u30f3<\/a>\u3002\u30d3\u30b8\u30cd\u30b9\u7d99\u7d9a\u6027\u306e\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u306b\u306f\u3001\u65b0\u3057\u3044 Teams \u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u304b\u3001  <a href=\"https:\/\/teams.microsoft.com\" target=\"_blank\">https:\/\/teams.microsoft.com<\/a> \u3067 Web \u4e0a\u306e Teams \u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>[\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b:]<\/p>\n<p>2025 \u5e74 7 \u6708 1 \u65e5\u4ee5\u964d\u3001\u5f93\u6765\u306e Teams \u30e6\u30fc\u30b6\u30fc\u306f\u5f93\u6765\u306e Teams \u306e\u4f7f\u7528\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30d6\u30ed\u30c3\u30af \u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u7121\u8996\u3057\u305f\u308a\u3001\u5f93\u6765\u306e Teams \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30a2\u30d7\u30ea\u3092\u4f7f\u7528\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3010\u6e96\u5099\u306b\u5fc5\u8981\u306a\u3053\u3068\u3011<\/p>\n<ul>\n<li>\u3053\u306e <a href=\"https:\/\/learn.microsoft.com\/MicrosoftTeams\/new-teams-preinstallation-script\" target=\"_blank\">  \u30b9\u30af\u30ea\u30d7\u30c8<\/a> \u3092\u4f7f\u7528\u3057\u3066\u3001\u65b0\u3057\u3044 Teams \u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b Windows \u30c7\u30d0\u30a4\u30b9\u3092\u898b\u3064\u3051\u307e\u3059\u3002\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4e3b\u306a\u76ee\u7684\u306f\u3001\u65b0\u3057\u3044 Teams \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u524d\u306b\u554f\u984c\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u304c\u3001\u65b0\u3057\u3044 Teams \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044 OS \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u30c7\u30d0\u30a4\u30b9\u3092\u691c\u51fa\u3059\u308b\u305f\u3081\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<li>\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u30e6\u30fc\u30b6\u30fc\u3092\u65b0\u3057\u3044 Teams \u30a2\u30d7\u30ea\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3057\u307e\u3059\u3002 <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/new-teams-bulk-install-client#prerequisites-for-target-computers\" target=\"_blank\">  \u65b0\u3057\u3044 Teams \u3078\u306e\u5207\u308a\u66ff\u3048<\/a>\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u65b0\u3057\u3044 Teams \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u524d\u63d0\u6761\u4ef6: <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/new-teams-deploy-using-policies?tabs=teams-admin-center#prerequisites\" target=\"_blank\">  Windows<\/a> \u3068 <a href=\"https:\/\/learn.microsoft.com\/en-us\/microsoftteams\/new-teams-mac-install-prerequisites#prerequisites\" target=\"_blank\">  Mac<\/a>\u3002<\/li>\n<\/ul>\n<p><i>\u53c2\u8003\u307e\u3067\u306b\u516c\u958b\u3055\u308c\u305fMC\u6295\u7a3f<\/i>  <\/p>\n<ul>\n<li>MC783985 \/ <i>Classic Teams \u306e\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u3068\u63d0\u4f9b\u7d42\u4e86\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3001<\/i> 2024 \u5e74 4 \u6708\u516c\u958b<\/li>\n<li>MC791446 \/ <i>Classic Microsoft Teams \u306e\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u3068\u63d0\u4f9b\u7d42\u4e86\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3 (GCC \u304a\u3088\u3073 GCC High)\u3001<\/i> 2024 \u5e74 5 \u6708\u767a\u884c<\/li>\n<li>MC791445 \/ <i>Classic Microsoft Teams \u306e\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u3068\u63d0\u4f9b\u7d42\u4e86 (DoD) \u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3001<\/i> 2024 \u5e74 5 \u6708\u516c\u958b<\/li>\n<\/ul>\n<p>Teams \u306e\u8cb4\u91cd\u306a\u304a\u5ba2\u69d8\u3067\u3042\u308a\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002<\/p>\n<p><i>\u8a73\u7d30\u60c5\u5831<\/i>  <\/p>\n<ul>\n<li><a href=\"https:\/\/learn.microsoft.com\/MicrosoftTeams\/new-teams-preinstallation-script\" target=\"_blank\">\u65b0\u3057\u3044 Teams \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u524d\u30b9\u30af\u30ea\u30d7\u30c8 &#8211; Microsoft Teams |\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8 \u30e9\u30fc\u30f3<\/a>  <\/li>\n<li>\u300c\u65b0\u3057\u3044 Microsoft Teams \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4e00\u62ec\u30c7\u30d7\u30ed\u30a4\u300d\u306e\u300c <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/new-teams-bulk-install-client#prerequisites-for-target-computers\" target=\"_blank\">  \u30bf\u30fc\u30b2\u30c3\u30c8 \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u524d\u63d0\u6761\u4ef6<\/a> \u300d\u30bb\u30af\u30b7\u30e7\u30f3 <a href=\"https:\/\/learn.microsoft.com\/microsoftteams\/new-teams-bulk-install-client\" target=\"_blank\">  &#8211; Microsoft Teams |\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8 \u30e9\u30fc\u30f3<\/a><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1059667 | Action required: Classic Microsoft Teams end of availability starts July 1, 2025 Classification pl [&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-11132","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/11132","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=11132"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/11132\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=11132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=11132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=11132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}