KMS License Authentication

Outline of License Authentication

The KMS (Key Management Service) license authentication method that we use has following features.

License authentications must be done in the following time spans.

License authentication is done automatically, so normally users will not have to deal with this process.


Management Policy of the University

License cannot be verified if the product is implemented through packages provided by a third party.
License cannot be verified for the computers other than the school faculties/staffs' PCs and on-campus students PCs managed by the school office.

License Authentication Procedure

After implementing the software we supply, you can verify your license by the following procedures.


Windows OS

  1. Click “Control Panel" on your Windows Menu.
  2. Choose “System and Security" on your Control Panel.
  3. Click “System" on the menu.
  4. Check your “Windows Activation" status.
    If Windows has not been activated, click "View Details in Windows Activation".
  5. Click “Activate". Finally, check the validity of KMS host and license authentication.

Microsoft Office (Windows)

Although your license cannot be verified through graphical user interface, you can check the validity of your license by the following procedure.
(The same procedure can be applied to both Microsoft Word and Excel.)

  1. Open Microsoft PowerPoint and click "Open Other Presentations"
  2. Click “Account" from the menu on the left-hand side.
  3. Check your license status at "Product Information" on the right-hand side.

Microsoft Office (Mac)


If Automatic Registration Fails

In normal conditions, the installer of our university should set KMS Host automatically.
If it fails to register, please check the following.
If your problems are still unsolved, please verify your license through one of the following methods.

Method 1: Installing a registry file (Approx. 5min)

Required file

  1. Download the ZIP file.
  2. After checking the credibility of the file, double-click the ZIP file to extract contents.
  3. Double-click the registry file (with the file name extension of .reg) in the ZIP file.
  4. Your screen will black out for a moment and the system will launch UAC (User Account Control).
  5. Once you verify, the installation will complete.
  6. Authentication will complete a short while later. Check GUI window to see the status.


Method 2: Verifying your license using the Windows CMD command line. (Approx. 10min)

Users using Windows OS
  1. Launch Command Prompt as an administrative authority.
  2. <If you are using Windows 8> <If you are using Windows 7>
  3. Register KMS Host on your PC. (If KMS Host you have registered beforehand, you do not need to take this step)
    > slmgr /skms kms.cc.tsukuba.ac.jp:1688
  4. Start the verification of the Windows License manually.
    > slmgr /ato
  5. To check if the verification went successfully or to see how long your license lasts, enter following command.
    > slmgr /dlv

Users using Microsoft Office (on a Windows PC)

  1. Launch Command Prompt as an administrative authority.
  2. <If you are using Windows 8> <If you are using Windows 7>
  3. Go from current working directory to the directory where the Microsoft Office is installed.
    • If you are using Office 2013 (on 32 bit OS)
      > cd "C:¥Program Files¥Microsoft Office¥Office15"
    • If you are using Office 2013 (on 64 bit OS)
      > cd "C:¥Program Files (x86)¥Microsoft Office¥Office15"
    • If you are using an unstandardized version of Office 2013 (on 64 bit OS)
      > cd "C:¥Program Files¥Microsoft Office¥Office15"
    • If you are using Office 2010 (on 32 bit OS)
      > cd "C:¥Program Files¥Microsoft Office¥Office14"
    • If you are using Office 2010 (on 64 bit OS)
      > cd "C:¥Program Files (x86)¥Microsoft Office¥Office14"
  4. Register KMS Host on your PC.
    > cscript ospp.vbs /sethst:kms.cc.tsukuba.ac.jp
    > cscript ospp.vbs /setprt:1688
  5. Start the verification of the Windows License manually.
    > cscript ospp.vbs /act
  6. To check if the verification went successfully or to see the how long your license lasts, enter the following command.
    > cscript ospp.vbs /dstatus


On-campus Network that permits authentication

Below is the KMS Host managed by the university.

We currently permit the following systems for license authentication with the on-campus network.
(may subject to change based on the license compliance)

PermittedNot Permitted
The Name of the SystemBackbone networkStudent Residence Hall Network System
Information Outlet and Network System of the University
On-Campus Wi-Fi System
VPN Connection System
We keep a record of time of the authentication as well as the computer's IP address, name and unique ID to shut out unauthorized license authentication.

Transition from licenses previously used

The licenses adopted before the school year of 2012 are the following.

You can transfer your license by entering KMS Client Setup Key provided by Microsoft Corporation and installing the registry file provided by us.

List of KMS Client Setup Keys


License Authentication FAQ