Notices
Information for System Failure
2023
Feb.7 |
Tokyo Tech Portal
It was unable to access Tokyo Tech Portal and some systems via Tokyo Tech Portal. They have recovered at around 21:30. |
Jan.19 |
Tokyo Tech Portal
It was unable to access some systems via Tokyo Tech Portal. They have recovered at around 10:15. |
2022
Sep.29 |
Tokyo Tech Portal
Some useres were not available to log in to the Tokyo Tech Portal. The system has recovered at around 10:30. |
July 6 |
Tokyo Tech Portal
There were some delivery delay of Login Notice about IC card auth. They have recovered at around 13:00. |
2021
July 12 |
Tokyo Tech Portal
We recognized that it was unavailable to connect to both of IC card Authentication and Matrix Authentication. |
Apr.2 |
Tokyo Tech Mail
Tokyo Tech Mail had some delivery trouble due to System failure for campus network. |
2020
Nov. 20 |
Tokyo Tech Portal/Tokyo Tech Mail
There was a network system failure from 1:35. We recovered the service at around 4:15. |
Nov. 4 |
Tokyo Tech Portal
We recognized that it was hardly to connect to both of IC card Authentication and Matrix Authentication. |
Sep. 2 |
Tokyo Tech Portal/Tokyo Tech Mail
There was a network system failure from 3:30. We have recovered the service at around 4:20. |
June 26 |
Tokyo Tech Portal
We recognized that it was hardly to connect to both of IC card Authentication and Matrix Authentication. |
June 15 |
Tokyo Tech Mail
Some e-mails were delayed to deliver from 8:15 a.m. to 8:35a.m. this morning. |
May 14 |
Tokyo Tech Portal
We recognized that it was hardly to connect to both of IC card Authentication and Matrix Authentication. |
2019
Dec. 11 |
Fault in the Building Access System
There was a fault in the Building Access System that arises from replacing the server system and some buildings were not opened. Now the system has been recovered completely. |
May 21 |
Tokyo Tech Portal
We recognized that it was hardly to connect to both of IC card Authentication and Matrix Authentication. We have recovered both of them at around 11:30. We sincerely apologize for your inconvenience. |
2018
June 27 |
Tokyo Tech Portal
We recognized that it was hardly to connect to both of IC Card Authentication and Matrix Authentication. We have recovered both of them at around 14:30. We sincerely apologize for your inconvenience. |
2017
Oct. 14 |
Tokyo Tech Mail
Delivery of some e-mails were delayed because of server failure. We have recovered the system at around 19:15. |
Sept. 14 |
System failures for Tokyo Tech Portal and Tokyo Tech Mail
Authentication settings’ failure caused disconnection to Tokyo Tech Portal and Tokyo Tech Mail for a while. |