Maintenance of network are scheduled at Tokyo Campus and Elementary School attached to University Tsukuba.
Date: Monday, Sep. 2, 2019 11:30 A.M. – 13:00 P.M.
Summary: Network maintenance at Tokyo Campus and Elementary School attached to University Tsukuba.
Impact: There will be up to 5 minutes of network downtime at Tokyo Campus and Elementary School attached to University Tsukuba.
The password length for Unified Authentication System, which manages passwords for some University-hosted computer systems, was 6 to 8 characters long.
Now the length have been extended to 8-16 chars.
You don’t have to change your password.
Even if you are using password of length 6 or 7 characters, you can use it without problems.
(Although you have to choose longer password when you change your password.)
But, since longer passwords mean enhanced security in general, we recommend you to use as long a password as possible.
You can change your password from:
https://account.tsukuba.ac.jp/cgi-bin/changepwd.cgi?lang=EN
Those who use Zengaku Computer System, please read notification (within the university network only) carefully as follows.
* On emergency responses regarding leakage of Unified Authentication System passwords
Maintenance on campus wireless networks is scheduled as follows:
Date: Tuesday, March 19, 2019 11:25 AM – 12:15 PM
Summary: Maintenance on campus wireless networks
Impact: During this work, access to the following networks will be interrupted:
On-Campus Wi-Fi System (utwlan-w)
On-Campus Wi-Fi System via 802.1x authentication (utwlan-x)
International Academic Roaming Service “eduroam”
Guest Network
ACCC will be performing maintenance on eduroam as follows:
Date: Monday, March 18, 2019 11:25 AM – 12:15 PM
Summary: Maintenance on International Academic Roaming Service “eduroam.”
Impact: During this work, access to the wireless SSID eduroam will be interrupted for about 30 minutes.
We apologize for such short notice. Your understanding and cooperation would be highly appreciated.
ACCC will be performing maintenance on Guest Network (welcome-ut) as follows:
Date: Monday, March 11, 2019 11:25 am – 12:15 pm
Description: Maintenance on Guest Network (welcome-ut)
Impact: During this work, access to the network will be tenporarily interrupted.
We apologize for such short notice. Your cooperation would be highly appreciated.
Read the FAQ carefully before contacting us.
Do not send messages to the e-mail addresses below for promotion or advertisement purposes.
| Inquiry Type | Phone | E-Mail Address |
|---|---|---|
| technical matters, including instructions, etc. | network-staff@cc.tsukuba.ac.jp | |
| clerical matters, including application procedures, etc. | 2452 |
For the use of dedicated rental servers, sharing web service or mail forwarding, see http://www.cc.tsukuba.ac.jp/wp/service/rental/ (Japanese)
| Inquiry Type | Phone | E-Mail Address | ||
|---|---|---|---|---|
| about rental servers | For the use of general-purpose rental servers, web hosting, server housing, or mailing list | see http://www.cc.tsukuba.ac.jp/wp/service/rental/(Japanese) | ||
| Software License | see https://www.cc.tsukuba.ac.jp/wp_e/service/software-license/ | |||
| Microsoft EES | ms-inquiry@cc.tsukuba.ac.jp | |||
| about Zengaku Computer System | see https://www.cc.tsukuba.ac.jp/wp_e/service/zengaku-computer-system/ | |||
| Inquiry Type | Phone | E-Mail Address |
|---|---|---|
| about this department | network-staff@cc.tsukuba.ac.jp |
| Inquiry Type | Phone | E-Mail Address |
|---|---|---|
| about this system | ldap-staff@cc.tsukuba.ac.jp |
| Inquiry Type | |
|---|---|
| about video production, video distribution, audio video, and photo archiving | Visit Office of Educational Cloud |
| Inquiry Type | Phone | |
|---|---|---|
| about ACCC’s TV Conference System (POLYCOM) | reservation or application | 2452 |
Ask at the reception desk.
ACCC will be performing maintenance on the backbone network equipment as follows:
Date: Monday, Feb. 18, 2019 12:00 p.m. – 12:20 p.m.
Summary: upgrade of equipment for external communication
Impact: External communication will be suspended from all campus. On Tokyo Campus, even communication to Tsukuba Campus will be suspended.
Date: Monday, Feb. 18, 2019 11:30 a.m. – 12:30 p.m.
Summary: upgrade of equipment for connecting the campus network to remote locations
Impact. Access to the campus network will be suspended from the affiliated schools (excluding the elementary school) and from the remote centers.
Date: Monday, Feb. 18, 2019 15:00 p.m. – 17:00 p.m.
Summary: upgrade of core switches
Impact: On all campus, there will be up to five minutes of campus network downtime four times.
We apologize for any inconvenience this work will cause. Thank you for your understanding and cooperation.