FAQ
Troubleshooting
IC card problems
Portal login problems
IC card authentication problems
- I get a "Cannot display the webpage" error during IC card auth.
- I don't remember my PIN code
- I see a "Locked" message on the certificate management tool
- I can't log in to the Portal by IC card auth. on Firefox when I enter PIN code
- I can't log in to the Portal by my REISSUED IC card
- I can't log into the Portal by IC card auth. using the PC installed Kaspersky
- I can't log into the Portal by IC card auth. using the PC installed ESET
- I can't log into the Portal by IC card auth. using the PC installed Avast
Matrix authentication problems
- When I enter my Account and Password, I get sent back to the Portal top page
- I don't remember my password
- I can't get past the matrix code entry screen
Problems that happen after you log in to the Portal
Tokyo Tech Mail problems
Wi-Fi problems
Building access problems
Common questions
About IC cards
About the Portal
About Tokyo Tech Mail
- How long can I use my e-mail address? Is it possible to extend my e-mail account?
- Can I keep the same e-mail address if I have to get a new IC card because of a change in my personal information, etc.?
- Can I use my current IC card to access the e-mail linked to my last IC card?
- I want to use an original sub-domain for my e-mail address
- I want to change the e-mail administrator on my domain
- I want to send and receive emails with my smart phone
- I want to change Date Display Format
About Wi-Fi
About building access
About providing Softwares
Current page: Tokyo Institute of Technology > FAQ
Updated: July 18, 2023
Created by: The Authentication Infrastructure System Team