UTokyo WiFi Support page

Outline

Notice

How to use

Preparation

  • You must be issued "UTokyo Account" to make UTokyo WiFi account.
  • You must register your e-mail address on UTAS previously if you are a student. An account information will be sent to the e-mail address you registered on UTAS.
    • Registrations on UTAS will be applied tomorrow or after.

Creating an account

Go to the site whose address is shown below.
https://www.u-tokyo.ac.jp/adm/dics/ja/wifi.html

Click on "Account Menu". This menu can be accessed from Japan only.

Then, you can reach this login page like below.

Sign in with your UTokyo Account, 10-digits Username & Password.

Then, click on "new Application" button.
If you already have an old issued account, the old account shows up below the button like the picture above. Making new application, however, the old account will be deleted and the new account will appear.

In this page, click on "Application" button and confirm your order. After that, your new UTokyo WiFi Account is issued and the information about it is sent to the e-mail that you registered on UTAS.

Setting up your device

Setup your device to connect to UTokyo WiFi. The setting depends on the type of device. Please refer Setting on each devices.

The configuration is shown below. You can refer details and latest informations on the official webpage.

  • SSID: UTokyo-WiFi
  • Security: WPA2-Enterprise(802.1x)
  • Encription: AES
  • Authetification method: PEAP
  • Server certification check: Must
  • Trusted root certificate organization: Security Communication RootCA2, NII Open Domain CA – G4
  • SHA-1 Fingerprint: Refer Official page
  • Auth Method/phase2 Auth: EAP-MSCHAPv2

Others

  • You can use the same account on all of your devices.
  • Your old UTokyo WiFi account will be expired by the end of April or October. You can issue new UTokyo WiFi account since the start of April or October.
  • UTokyo WiFi is available in Hongo, Komaba, Kashiwa, Shirokane Campuses.

Setting on each devices

Android Devices except for SHARP’s

** Please note that following process might vary depending on your device or OS version.

An example of a recent version, Android 10

  1. Open Settings App
  2. Turn on Wi-Fi
  3. Tap UTokyo-WiFi
  4. Select Use system certificates for CA certificate, and enter u-tokyo.ac.jp in Domain
  5. Enter your UTokyo WiFi User ID and password that were send via e-mail, then tap Connect

An example of an older version, Android 6

  1. Open Settings App
  2. Turn on Wi-Fi
  3. Tap UTokyo-WiFi
  4. Set EAP method and Phase 2 authentication correctly, and select (unspecified) for CA certificate
  5. Enter your UTokyo WiFi User ID and password that were send via e-mail, then tap Connect

Android Devices manufactured by SHARP

If you use an Android device manufactured by SHARP, you might have to install a certificate manually. It may be installed on recent SHARP device, so it is better to confirm Security & Location -> Encryption & credentials -> Trusted credentials

If you can see Security Communication RootCA2 you don’t need to install the certificate.
【Reference page (In Japanese)】
http://www.eduroam.jp/docs/supplicant/android/sharp.html
(Please replace RootCA1 -> Root1 / RootCA2 -> Root2)
【You can get certificate (RootCA2) on the webpage below】
https://repository.secomtrust.net/SC-Root2/

If you confirm that the certificate is installed, please set up in accordance with the following steps, which is same to the case in the devices that are not manufactured SHARP.

  1. Open Settings app.
  2. Turn on Wi-Fi
  3. Tap UTokyo-WiFi
  4. Confirm that PEAP and MSCHAPV2 is selected.
  5. Enter UTokyo WiFi User ID and the password sent via e-mail. Don’t put anything in “Anonymous ID”.

iPhone/iPad

** Please note that following process might vary depending on your device or OS version.

  1. Open Settings App
  2. Turn on Wi-Fi
  3. Tap UTokyo-WiFi
  4. Trust Certificate
  5. Enter UTokyo WiFi User ID and the password sent via e-mail and tap Connect

Mac

** Please note that following process might vary depending on your device or OS version.

  1. Click on the Wi-Fi icon on your menu bar
  2. Click on UTokyo-WiFi
  3. Enter UTokyo WiFi User ID and password sent via e-mail.

Windows10

** Please note that following process might vary depending on your device or OS version.

  1. Select Wi-Fi icon on the right bottom corner of your screen
  2. Select UTokyo-WiFi
  3. Select Connect
  4. Enter UTokyo WiFi User ID and password that were sent via e-mail
  5. You will be asked “Continue connecting?”. Select Show certificate details. Then the Server Fingerprint will appear. Confirm that it is identical to the fingerprint shown on the UTokyo WiFi official web site, then select Connect.

If you can’t connect by the procedure above, manual settings might help you. Please access the web page below.
Setting UTokyo WiFi on Windows 10 – FAQ

Windows8/8.1

  1. Select histogram icon on right bottom corner of your screen.
  2. Select UTokyo-WiFi
  3. Select Connect
  4. Enter UTokyo WiFi User ID and password sent via e-mail
  5. You will be asked “Continue to connect?”. Select Show detailed certificate. Then the Fingerprint of server will appear. Confirm that it is identical to the fingerprint shown on the UTokyo WiFi official web site, then select Connect.

Windows7

in Preperation

Chromebook (Google ChromeOS)

** Please note that following process might vary depending on your device or OS version.

  1. If WiFi is disabled, enable it
  2. Select Wi-Fi icon on your desktop
  3. Select Network connection
  4. Select UTokyo-WiFi
  5. Detailed settings is following: “EAP method” -> PEAP, “Phase2 Auth” -> MSCHAPv2, “Server CA certificate” -> Default. Enter ID / password of UTokyo-WiFi account sent via e-mail. Then click Connect.