We will investigate the cause of the communication interruption failure of the backbone network equipment that had been occurring until last month.
We do not expect any communication breakdowns during the investigation, however, we let you know just in case.
Date and time： Monday, November 14, 2022 11:30- 12:00
Work contents： Investigate the cause of backbone network failure
Impact： No communication interruption is expected.
This problem has been fixed. We apologize for the inconvenience. (22/10/25)
Currently, some users are unable to log in to Download Station.
We apologize for the inconvenience, however, we are now working on this issue, so please wait for a while.
We will update the notice as soon as the system is restored.
If you are in a hurry, the following methods are also available.
We are currently experiencing frequent communication breakdowns in our backbone network.
By taking temporary measures, we are operating to reduce the frequency of communication interruptions.
To determine the cause of the failure, inspection work will be conducted on Sunday, October 30, with a 30-minute communication outage.
Communication will be suspended for a long period, we ask for your cooperation to ensure the stable operation of the backbone network.
Date and Time： Sunday, October 30, 2022 Currently scheduled from around 11:25
Work contents： Investigate the cause of backbone network failure
Impact： A communication breakdown of about 30 minutes occurred in all networks of the University of Tsukuba (including the Tokyo campus and remote areas).
The initial password for the Unified Authentication System notified to you by card or other means will expire if you do not change it within the specified period.
If you have not changed it yet, please do so immediately from the Unified Authentication System page.
(We have also announced this to the relevant persons by e-mail.)
The National Institute of Informatics has informed the maintenance of SINET, which the University of Tsukuba uses for external connections and network connections to the Bunkyo campus.
Date and time： Monday, October 10, 2022, 1:00 〜 3:00 AM
Impact： There will be breakdowns in network connections of several minutes throughout the University of Tsukuba and Bunkyo campus (including the attached school)
Date and time： Sunday, October 23, 2022, 1:00 〜 4:00 AM
Impact： There will be breakdowns in network connections of several minutes at the Bunkyo campus (including the attached school)
The only communication from the Bunkyo campus to the outside is interrupted.
There is no effect except for the Bunkyo campus.
The trouble with the Web and e-mail service at the ACCC has been fixed at 10:00 on August 25.
We have now resumed normal service.
We apologize for the inconvenience for a long time.
Please let us know if you have any concerns about this issue.
(2022/7/27)
This problem has been fixed. We apologize for the inconvenience.
Some ArcGIS features and products are currently unavailable. The cause is under investigation.
For more information, click here. (in Japanese)
On 7/11, an automated email from Adobe was sent to some users with the following subject line.
Complete Plan (Educational Institutions) available.”
This was due to an administrative operational error.
We understand that some of you may have felt uneasy.
We apologize for any inconvenience caused.
The range of available services for each type of constituent is as described on the University’s page on Adobe CC.
About Comprehensive Contract of Adobe Creative Cloud (Adobe CC)
The initial password for the Unified Authentication System notified to you by card or other means will expire if you do not change it within the specified period.
If your initial password for the Unified Authentication System has expired (i.e., you can no longer log in), you will need to have your password reissued (reset). You can have your password reissued at the nearest university library with your student ID card. Please refer to the following
FAQ “I lost my Unified Authentication System password or my password is no longer valid”
We have confirmed that the installer downloaded from the Download Station of our univ. dose not work well on macOS 12.3. So if you are to install these software, please update your macOS to 12.3.1 beforehand.
(2022.03.16)
We have confirmed that the installation program from DS does not work properly on macOS 12.3.
If you use the Apex One, Office and Adobe software from the download station, please wait for a while to update to macOS 12.3.
Please ignore this warning if you download/install from the Apple Store, Microsoft 365, or from Adobe’s web site.