


{"id":5278,"date":"2026-03-02T17:29:33","date_gmt":"2026-03-02T08:29:33","guid":{"rendered":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/?page_id=5278"},"modified":"2026-06-17T02:24:38","modified_gmt":"2026-06-16T17:24:38","slug":"kms","status":"publish","type":"page","link":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/service\/ees\/kms\/","title":{"rendered":"About KMS License Authentication"},"content":{"rendered":"<p>\u203bThis page provides information on KMS license authentication, which is used to activate Office LTSC (2024) and the Windows OS upgrade version. It does not apply to license authentication for Microsoft 365 Office.<\/p>\n<p>The University of Tsukuba uses KMS (Key Management Service) license authentication method.<br \/>\nIt does not require users to enter a product key when installing. Instead, it requires a periodic license authentication granted by the license authentication servers (KMS Host) in the university. This server can only be accessed from the on-campus network (including access through the Academic Computing and Communications Center\u2019s VPN service client).<\/p>\n<p>In order to prevent unauthorized license authentication, information such as the time of license activation, PC IP address, PC name, and terminal unique ID is recorded.<br \/>\nReference\uff1a<a href=\"https:\/\/www.cc.tsukuba.ac.jp\/wp\/wp-content\/uploads\/period.pdf\">\u30e9\u30a4\u30bb\u30f3\u30b9\u8a8d\u8a3c\u306e\u9593\u9694 (license authentication period)(japanese text only)<\/a><\/p>\n<h2>Check the status of License Authentication<\/h2>\n<h3>Windows OS\uff08Windows 11\uff09<\/h3>\n<p>Click \u201cstart\u201d and choose \u201cSettings&#8221; &gt; &#8220;System&#8221; and choose &#8220;Activation&#8221;. Check &#8220;Activation state&#8221;.<\/p>\n<h3>Office<\/h3>\n<p>Launch an Office application (Word, Excel, etc.) and click \u201cOpen Other \u3007\u3007\u201d from the menu on the left. Click \u201cAccount\u201d or \u201cHelp\u201d from the menu on the left side.<br \/>\nThe current activation status is displayed in [Product Information].\t<\/p>\n<h3>Office for Mac<\/h3>\n<p>Click \u201cVersion Information\u201d in the application menu (next to the apple mark). If the license item is &#8220;Volume License 201x&#8221;, it is an EES license.<\/p>\n<h2>If authentication fails<\/h2>\n<p>In normal conditions, the installer of our university should set KMS Host automatically, however, it could fail to register.<\/p>\n<ul>\n<li>Check1 \uff1a <strong>Set the time zone to [UTC+09:00] (Osaka, Sapporo, Tokyo)<\/strong> in the time setting (including time zone) on your PC and <strong>make it set properly to the current time<\/strong>.<\/li>\n<li>Check 2 \uff1aConnection settings (firewall) of your anti-virus software might be restricting connection with the server outside. If that is the case, please change your settings to allow connection. Set the firewall so that it can connect to TCP\/1688 of the KMS Host (kms.cc.tsukuba.ac.jp).<\/li>\n<\/ul>\n<p>If your problems are still unsolved, please verify your license through one of the following methods.<\/p>\n<h3>Method 1\uff1aInstalling a registry file<\/h3>\n<ol>\n<li>Download <a href=\"https:\/\/www.cc.tsukuba.ac.jp\/wp\/wp-content\/uploads\/kms.zip\">kms.zip<\/a>.<\/li>\n<li>Double click kms.reg in the folder kms by unzipping the download zip file. If the &#8220;Security Warning&#8221; screen is displayed, click &#8220;Execute&#8221;. If the User Account Control screen is displayed, click &#8220;Yes&#8221;.<\/li>\n<li>The Registry Editor screen is displayed. Click &#8220;Yes&#8221; to the question &#8220;Do you want to continue?&#8221;. If &#8220;Successfully added to the registry&#8221; is displayed, so click &#8220;OK&#8221;.<\/li>\n<li>Restart your PC, and activation will be completed after a while.<\/li>\n<\/ol>\n<h3>Method 2\uff1aVerifying your license using the command line<\/h3>\n<p><strong>[Users using Windows OS]<\/strong><\/p>\n<ol>\n<li>\nFind command prompt and click \u201cRun as Administrator\u201d.\n<\/li>\n<li>\nRegister KMS Host on your PC.<br \/>\n> slmgr \/skms kms.cc.tsukuba.ac.jp:1688\n<\/li>\n<li>\nStart the verification of the Windows License manually\uff0e<br \/>\n> slmgr \/ato\n<\/li>\n<li>\nTo check if the verification went successfully or to see how long your license lasts, enter following command.<br \/>\n > slmgr \/dlv\n<\/li>\n<\/ol>\n<p><strong>[Users using Office\uff08Windows Version\uff09]<\/strong><\/p>\n<ol>\n<li>\nFind command prompt and click \u201cRun as Administrator\u201d.\n<\/li>\n<li>\nMove the current directory to the directory where Office is installed.<br \/>\nExample of Office 2024\uff0864 bit OS\uff09:<br \/>\n(* If you are using 32bit OS, \u00a5Program Files -> \u00a5Program Files (x86) )<br \/>\n> cd \u201cC:\u00a5Program Files\u00a5Microsoft Office\u00a5Office16\u201d\n<\/li>\n<li>\nRegister KMS Host on your PC.<br \/>\n> cscript ospp.vbs \/sethst:kms.cc.tsukuba.ac.jp<br \/>\n> cscript ospp.vbs \/setprt:1688\n<\/li>\n<li>\nStart the verification of the Windows License manually.<br \/>\n> cscript ospp.vbs \/act\n<\/li>\n<li>\nTo check if the verification went successfully or to see how long your license lasts, enter following command.<br \/>\n> cscript ospp.vbs \/dstatus\n<\/li>\n<\/ol>\n<h2><a href=\"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/service\/software-license\/ees\/ees-faq\/\">FAQ<\/a><\/h2>\n<div class=\"kakomi beige\" style=\"margin-top: 30px;\">\n<h2>Contact<\/h2>\n<p>From <a href=\"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/contact\/ees_inquiry\/\">&#8220;Inquiries Regarding EES and Microsoft 365&#8221;<\/a>.\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u203bThis page provides information on KMS license authentication, which is used to activate Office LTSC (2024) and the Windows OS upgrade version. It does not apply to license authentication for Microsoft 365 Office. The University of Tsukuba uses KMS (Key &hellip; <a href=\"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/service\/ees\/kms\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":24,"featured_media":0,"parent":5251,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5278","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"publishpress_future_action":{"enabled":false,"date":"2026-06-26 17:04:27","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/pages\/5278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/comments?post=5278"}],"version-history":[{"count":7,"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/pages\/5278\/revisions"}],"predecessor-version":[{"id":5453,"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/pages\/5278\/revisions\/5453"}],"up":[{"embeddable":true,"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/pages\/5251"}],"wp:attachment":[{"href":"https:\/\/www.cc.tsukuba.ac.jp\/wp_e\/wp-json\/wp\/v2\/media?parent=5278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}