Notices
Information for System Failure
2024
Oct.9 |
Tokyo Tech Mail
Due to the part of Tokyo Tech Mail servers' failure, some emails from 2 October 8 p.m. to 3 October, 6 p.m. were delivered at night on 9 October and it was a week delay eventually. I would kindly ask you to confirm that if you missed reading any emails from 2 October to 3 October. |
June10 |
Tokyo Tech Portal
It was unable to log in the Portal during the above time. The system was recovered at around 2:45 p.m. |
May14 |
Tokyo Tech Mail
It had a huge delay for both sending and receiving emails. The system was recovered at around 1 p.m. |
2023
Dec.11 |
Tokyo Tech Portal
It took some time to log in to the Portal during that system failure. The system was recovered at around 1 p.m. |
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 9:30 p.m. |
Jan.19 |
Tokyo Tech Portal
It was unable to access some systems via Tokyo Tech Portal. They have recovered at around 10:15 a.m. |
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 a.m. |
July 6 |
Tokyo Tech Portal
There were some delivery delay of Login Notice about IC card auth. They have recovered on July 6, 2022, 1 p.m. |
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
Due to network system failure from 1:35 a.m, the service of Tokyo Tech Portal/Tokyo Tech Mail were stopped. We recovered their service at around 4:15 a.m. |
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 a.m. We have recovered the service at around 4:20 a.m. |
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 8:35 a.m. |
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 a.m. 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. |