{"id":16300,"date":"2026-05-06T09:01:50","date_gmt":"2026-05-06T00:01:50","guid":{"rendered":"https:\/\/m365jp.net\/?p=16300"},"modified":"2026-05-06T09:06:39","modified_gmt":"2026-05-06T00:06:39","slug":"mc1301827-upgrade-to-windows-server-2025-now-via-windows-update","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-05-06-mc1301827-upgrade-to-windows-server-2025-now-via-windows-update","title":{"rendered":"MC1301827 | Upgrade to Windows Server 2025, now via Windows Update"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">MC1301827 | Upgrade to Windows Server 2025, now via Windows Update<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Classification<\/th>\n<td>stayInformed<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>05\/05\/2026 23:07:04<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>05\/05\/2026 23:07:03<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>05\/05\/2027 23:07:03<\/td>\n<\/tr>\n<tr>\n<th>Message Content<\/th>\n<td>\n<div>Windows Update can be used to perform an in-place upgrade of Windows Server without installation media. This Windows Server feature update can help move Windows Server 2022 or Windows Server 2019 installations to Windows Server 2025,&nbsp;following the same   process used to download monthly updates through Windows Update.<\/div>\n<div>  <\/div>\n<div>Upgrading helps keep your servers secure, supported, and able to use the latest features and performance improvements. Plan your installation and learn about the in-place upgrade paths by version, prerequisites, and restrictions, at  <a href=\"https:\/\/techcommunity.microsoft.com\/blog\/windowsservernewsandbestpractices\/opt-in-windows-server-2025-feature-update-from-the-ws-2022-and-ws-2019-settings-\/4515961\" rel=\"noopener noreferrer\" target=\"_blank\">  Opt-In Windows Server 2025 Feature Update from the WS 2022 and WS 2019 Settings Dialog<\/a>.<\/div>\n<div>  <\/div>\n<div><b>When will this happen:<\/b><\/div>\n<div>This feature update path is available now. To see the Windows Server 2025 offer in  <b>Settings &gt; Windows Update<\/b>, servers must meet these update baselines:<\/div>\n<ul>\n<li><b>Windows Server 2022:<\/b>&nbsp;March 2026 Cumulative Update (<a href=\"https:\/\/support.microsoft.com\/help\/5078766\" rel=\"noopener noreferrer\" target=\"_blank\"><b>KB5078766<\/b><\/a>) or later.<\/li>\n<li><b>Windows Server 2019:<\/b>&nbsp;March 2026 Cumulative Update (<a href=\"https:\/\/support.microsoft.com\/help\/5078752\" rel=\"noopener noreferrer\" target=\"_blank\"><b>KB5078752<\/b><\/a>) or later.<\/li>\n<\/ul>\n<div>  <\/div>\n<div>As always, we recommend you install the latest security update for your device as it contains important improvements and issue resolutions.<\/div>\n<div>  <\/div>\n<div>Please note that additional steps are required to display the upgrade offer. See the resources in the Additional Information section.<\/div>\n<div>  <\/div>\n<div><b>How this will affect your organization:<\/b><\/div>\n<div>In-place upgrade is ideal for when you want the fastest path to a newer version on the same hardware. It keeps you on the same hardware, and you can avoid re-installing applications and services after only a device restart.<\/div>\n<div>  <\/div>\n<div>Once the manual steps to enable this upgrade path have been completed, an upgrade banner appears in Windows Update. An administrator must manually click  <b>Download and Install<\/b>&nbsp;to trigger the upgrade.<\/div>\n<div>  <\/div>\n<div><b>What you need to do to prepare:<\/b><\/div>\n<div>If you&#8217;re considering the in-place upgrade for your organization, note that there are also prerequisites and restrictions to consider. Ensure you have a valid product key and activation method for the target version. Also, note that not all roles support   in-place upgrade. Additionally, an opt-in registry key must be added to enable this upgrade path on qualifying devices. Study the information in the Additional Information links for complete details.<\/div>\n<div>  <\/div>\n<div><b>Additional information:<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/techcommunity.microsoft.com\/blog\/windowsservernewsandbestpractices\/opt-in-windows-server-2025-feature-update-from-the-ws-2022-and-ws-2019-settings-\/4515961\" rel=\"noopener noreferrer\" target=\"_blank\">Opt-In Windows Server 2025 Feature Update   from the WS 2022 and WS 2019 Settings Dialog<\/a><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/windows-server\/get-started\/install-upgrade-migrate?tabs=windows-update\" rel=\"noopener noreferrer\" target=\"_blank\">Plan your Windows Server upgrade<\/a><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/windows-server\/get-started\/upgrade-in-place?tabs=windows-update\" rel=\"noopener noreferrer\" target=\"_blank\">Perform an in-place upgrade of Windows Server<\/a><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\n<div>Windows Update\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30e1\u30c7\u30a3\u30a2\u306a\u3057\u3067Windows Server\u306e\u30a4\u30f3\u30d7\u30ec\u30a4\u30b9\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306eWindows Server\u6a5f\u80fd\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001Windows Server 2022\u307e\u305f\u306fWindows Server 2019\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092Windows Server 2025\u306b\u79fb\u884c\u3059\u308b\u306e\u3092\u52a9\u3051\u307e\u3059\u3002\u3053\u308c\u306f&nbsp;Windows Update\u3092\u901a\u3058\u3066\u6708\u6b21\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u306e\u3068\u540c\u3058\u624b\u9806\u3067\u3059\u3002<\/div>\n<div>  <\/div>\n<div>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u5b89\u5168\u6027\u3092\u7dad\u6301\u3057\u3001\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u6700\u65b0\u306e\u6a5f\u80fd\u3084\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u3092\u6d3b\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u8a08\u753b\u3092\u7acb\u3066\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u524d\u63d0\u6761\u4ef6\u3001\u5236\u9650\u306b\u57fa\u3065\u304f\u30a4\u30f3\u30d7\u30ec\u30a4\u30b9\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u30d1\u30b9\u306b\u3064\u3044\u3066\u306f\u3001  <a href=\"https:\/\/techcommunity.microsoft.com\/blog\/windowsservernewsandbestpractices\/opt-in-windows-server-2025-feature-update-from-the-ws-2022-and-ws-2019-settings-\/4515961\" rel=\"noopener noreferrer\" target=\"_blank\">  WS 2022\u304a\u3088\u3073WS 2019\u8a2d\u5b9a\u30c0\u30a4\u30a2\u30ed\u30b0\u306e\u300cWindows Server 2025\u6a5f\u80fd\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/a>\u300d\u3067\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<div>  <\/div>\n<div><b>\u3053\u308c\u306f\u3044\u3064\u5b9f\u73fe\u3057\u307e\u3059\u304b:<\/b><\/div>\n<div>\u3053\u306e\u6a5f\u80fd\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u30d1\u30b9\u306f\u73fe\u5728\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002 <b>&gt;Windows Update\u306e\u8a2d\u5b9a<\/b>\u3067Windows Server 2025\u306e\u30aa\u30d5\u30a1\u30fc\u3092\u898b\u308b\u306b\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u4ee5\u4e0b\u306e\u66f4\u65b0\u57fa\u6e96\u3092\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059:<\/div>\n<ul>\n<li><b>Windows Server 2022:<\/b>&nbsp;2026\u5e743\u6708\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8(<a href=\"https:\/\/support.microsoft.com\/help\/5078766\" rel=\"noopener noreferrer\" target=\"_blank\"><b>KB5078766<\/b><\/a>\u5e74\u4ee5\u964d)\u3002<\/li>\n<li><b>Windows Server 2019:<\/b>&nbsp;2026\u5e743\u6708\u7d2f\u7a4d\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8(<a href=\"https:\/\/support.microsoft.com\/help\/5078752\" rel=\"noopener noreferrer\" target=\"_blank\"><b>KB5078752<\/b><\/a>\u5e74\u4ee5\u964d)\u3002<\/li>\n<\/ul>\n<div>  <\/div>\n<div>\u3044\u3064\u3082\u306e\u3088\u3046\u306b\u3001\u91cd\u8981\u306a\u6539\u5584\u3084\u554f\u984c\u89e3\u6c7a\u3092\u542b\u3080\u6700\u65b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/div>\n<div>  <\/div>\n<div>\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u30aa\u30d5\u30a1\u30fc\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u8ffd\u52a0\u306e\u624b\u9806\u304c\u5fc5\u8981\u3067\u3059\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u8ffd\u52a0\u60c5\u5831\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/div>\n<div>  <\/div>\n<div><b>\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u7d44\u7e54\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b:<\/b><\/div>\n<div>\u30a4\u30f3\u30d7\u30ec\u30a4\u30b9\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u306f\u3001\u540c\u3058\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u4e0a\u3067\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3078\u306e\u6700\u901f\u79fb\u884c\u3092\u671b\u3080\u5834\u5408\u306b\u6700\u9069\u3067\u3059\u3002\u540c\u3058\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u4f7f\u3044\u7d9a\u3051\u3089\u308c\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u518d\u8d77\u52d5\u3060\u3051\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u907f\u3051\u3089\u308c\u307e\u3059\u3002<\/div>\n<div>  <\/div>\n<div>\u3053\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u30d1\u30b9\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306e\u624b\u52d5\u624b\u9806\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001Windows Update\u306b\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u30d0\u30ca\u30fc\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u7ba1\u7406\u8005\u306f\u624b\u52d5\u3067 <b>\u300c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3068\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/b>&nbsp;\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u307e\u3059\u3002<\/div>\n<div>  <\/div>\n<div><b>\u6e96\u5099\u306e\u305f\u3081\u306b\u3084\u308b\u3079\u304d\u3053\u3068:<\/b><\/div>\n<div>\u7d44\u7e54\u306e\u73fe\u5730\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u691c\u8a0e\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u8003\u616e\u3059\u3079\u304d\u524d\u63d0\u6761\u4ef6\u3084\u5236\u9650\u304c\u3042\u308b\u3053\u3068\u306b\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u30bf\u30fc\u30b2\u30c3\u30c8\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u6709\u52b9\u306a\u30d7\u30ed\u30c0\u30af\u30c8\u30ad\u30fc\u3068\u30a2\u30af\u30c6\u30a3\u30d9\u30fc\u30b7\u30e7\u30f3\u65b9\u6cd5\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u3059\u3079\u3066\u306e\u5f79\u5272\u304c\u30a4\u30f3\u30d7\u30ec\u30a4\u30b9\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3055\u3089\u306b\u3001\u8a72\u5f53\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u3067\u3053\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u30d1\u30b9\u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u30aa\u30d7\u30c8\u30a4\u30f3\u65b9\u5f0f\u306e\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8a73\u7d30\u306f\u8ffd\u52a0\u60c5\u5831\u30ea\u30f3\u30af\u306e\u60c5\u5831\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/div>\n<div>  <\/div>\n<div><b>\u8ffd\u52a0\u60c5\u5831:<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/techcommunity.microsoft.com\/blog\/windowsservernewsandbestpractices\/opt-in-windows-server-2025-feature-update-from-the-ws-2022-and-ws-2019-settings-\/4515961\" rel=\"noopener noreferrer\" target=\"_blank\">WS 2022\u304a\u3088\u3073WS 2019\u8a2d\u5b9a\u30c0\u30a4\u30a2\u30ed\u30b0\u304b\u3089\u306eWindows Server   2025\u6a5f\u80fd\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u30aa\u30d7\u30c8\u30a4\u30f3<\/a><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/windows-server\/get-started\/install-upgrade-migrate?tabs=windows-update\" rel=\"noopener noreferrer\" target=\"_blank\">Windows Server\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u8a08\u753b\u3057\u307e\u3057\u3087\u3046<\/a><\/li>\n<li><a href=\"https:\/\/learn.microsoft.com\/windows-server\/get-started\/upgrade-in-place?tabs=windows-update\" rel=\"noopener noreferrer\" target=\"_blank\">Windows Server\u306e\u30a4\u30f3\u30d7\u30ec\u30a4\u30b9\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b<\/a><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>MC1301827 | Upgrade to Windows Server 2025, now via Windows Update Classification stayInformed Last Updated 05 [&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-16300","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16300","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=16300"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/16300\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=16300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=16300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=16300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}