コンテンツ

  1. HOME
  2. FAQ
  3. Kyoto University Integrated Network System (KUINS)
  4. Wireless LAN

Wireless LAN FAQ

Please check the following points.


(1) Is your ID, password valid?
・For connecting to KUINS-Air, ECS-ID(Students)/SPS-ID(Faculty and Staff) is required.
In order to check ECS-ID/SPS-ID is correct, please click one of the following links and confirm if you can successfully login.

【KUMOI : Kyoto University Mail for Student】
https://mail.st.kyoto-u.ac.jp/

【Kyoto University Faculty and Staff Groupware】
https://www.tam2.adm.kyoto-u.ac.jp/

・For connecting to eduroam, eduroam account or visitor account is required. (Please click here for details.)
Please be sure to enter ID, password correctly and also confirm the expiry date.

(2) Are you in the available area of KUINS Wi-Fi?
If radio wave is not strong enough, you will possibly fail to connect to Wi-Fi. Once you missed, the authentication may fail for some time. Please wait for a while then try again in the area where you can find the strong radio wave. The location of Wi-Fi access points is here.(Currently only in Japanese. Sorry.)

(3) Is the clock in your PC correct?
The connection error might occur if the clock in your PC/terminal is not correct. Please set the exact time and try again.

(4) Is the setting correct?
eduroam basically requires manual setting. Please refer to the user guide. Even though you checked the above points but still cannot connect to KUINS-Air or eduroam, please delete the setting first then try to setup again. To delete the setting, please refer to this link.

(5) Is the intermediate certificate/root certificate installed?
Depending on the PC/terminal, the intermediate certificateor root certificate might be required. Please refer to the installation procedure here and here. As for Android, you are asked to name the certificate when you click the download link. Assign a name as you like and click OK. Then downloading will be finished. Or, you need to download the certificate in your Windows PC first, then save it in SD card. Install it in Android from [Settings > Security > install via SD card(storage)]. If you install root certificate file on Android, please select the downloaded "SCRoot2ca.cer" file in CA certificate field when you configure the Wi-Fi connection.

Even though you checked the above points but still cannot connect to KUINS Wi-Fi, please write down the building name, room number and the date/time where/when you tried to connect, your ID (password is not necessary), the error message etc. in the below inquiry form.
https://www.iimc.kyoto-u.ac.jp/en/inquiry/?q=network

There might be the case that you can't connect to KUINS-Air with the restriction of WiFi connection in using the following maker's product.

・Broadcom

You can connect in setting "Invalid" in the "WMM" function with the following steps.

(1)Start 『Network connection』.
(2)Right-click 『WiFi』 and start 『Property』.
(3)Click 『Compose』 button.
(4)In the 『detail settings』 tab,Invalid the 『WMM』 and click 『OK』 button.

DNS setting might not be "Automatic acquision". Please refer to the following web site No.6 to see if "Acquire the DNS server address automatically" is checked. If not, please check it and try it again.

http://qa.elecom.co.jp/faq_detail.html?id=3184

Revised as of Jan.27,2016

In case you cannot connect KUINS-Air even if you click "Connect" button in the popup "Server ID cannot be verified", please try the following steps.

1. Download CA certification from the following link and save it somewhere in your PC.
https://repo1.secomtrust.net/sppca/nii/odca3/nii-odca3sha2.cer
2. Double-click the downloaded certification file and click "install the certification" button.
3. Select "local computer" for the location to save, click "Next".
(If the popup "Do you allow this program to make a change on this computer?" appears, click "Yes".)
4. By default, "Select certification store automatically depending on the type of certifications" is selected. Click "Next".
5. Click "Finish".
6. Restart your PC.
7. Select "KUINS-Air" in Wi-Fi connection list. Click "Connect".
8. Enter SPS-ID/ESC-ID and password.
9. Confirm "Connected" is displayed for "KUINS-Air".

In connecting to KUINS-Air (for the first time) with Windows7,there might be the case that the following message appears.

RADIUS server: rad.kuins.kyoto-u.ac.jp
Root CA: Security Communication RootCA2

Server "rad.kuins.kyoto-u.ac.jp" provided the valid certificate issued by "Security Communication RootCA2", however,"Security Communication RootCA2" is not composed as the valid trust anchor of this profile. Also,the server "rad.kuins.kyoto-u.ac.jp" is not composed as the valid NPS server to use with this profile in connecting.

Authentication server certificate of KUINS-Air uses the NII Gakunin service(https://certs.nii.ac.jp/),however, this Windows7 with the initial setting never allows the publisher's certificate.That's why this message appears. Please check the server's name,"rad.kuins.kyoto-u.ac.jp" in the detailed message and press "Connect" button so that you can connect KUINS-Air.

In connecting to eduroam (for the first time) with Windows7,there might be the case that the following message appears.

RADIUS server: federated-id.eduroam.jp
Root CA: Security Communication RootCA2

Server "federated-id.eduroam.jp" provided the valid certificate issued by "Security Communication RootCA2", however,"Security Communication RootCA2" is not composed as the valid trust anchor of this profile. Also,the server "federated-id.eduroam.jp" is not composed as the valid NPS server to use with this profile in connecting.

Authentication server certificate of eduroam uses the NII Gakunin service(https://certs.nii.ac.jp/),however, this Windows7 with the initial setting never allows the publisher's certificate.That's why this message appears. Please check the server's name,"federated-id.eduroam.jp" in the detailed message and press "Connect" button so that you can connect eduroam.

Due to the replacing system like server certificate of KUINS-Air, there might be the case you cannot connect to KUINS-Air. Please check the maintenance information etc. from time to time then perform the setting of "Kyodai Rakuraku setting tool" again.

【Kyodai Rakuraku setting tool】

 

Copyright © Institute for Information Management and Communication, Kyoto University, all rights reserved.