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Maintenance

Ongoing maintenance

Tue. Jul. 28, 2026 - Thu. Jul. 30, 2026

  • Supercomputer Systems

Ongoing
【Supercomputer】Temporary Maintenance of Login Node/Application Server

Maintenance schedule

Thu. Jul. 30, 2026
Scheduled
ネットワークサービスのサーバメンテナンス
Mon. Aug. 3, 2026
Scheduled
ネットワークサービスのサーバメンテナンス
Tue. Aug. 4, 2026

  • Activity Database on Education and Research

Scheduled
Maintenance of Activity Database on Education and Research(8/4)
Wed. Aug. 5, 2026

  • VM Hosting
  • WEB Hosting

Scheduled
Maintenance of ARCS Hosting Portal
Scheduled
ネットワークサービスのサーバメンテナンス
Thu. Aug. 6, 2026
Scheduled
ネットワークサービスのサーバメンテナンス
Fri. Aug. 14, 2026

  • WEB Hosting

Scheduled
[Maintenance Notice] WEB Hosting Service Type B - Aug 14, 2026 12:00–13:00 JST

  • Activity Database on Education and Research

Scheduled
Maintenance of Activity Database on Education and Research(8/14)
Thu. Aug. 20, 2026
Scheduled
ネットワークサービスのサーバメンテナンス
Mon. Aug. 24, 2026 - Wed. Aug. 26, 2026

  • PC Terminal Services for Education

Scheduled
【PC端末サービス】教育コンシステム保守に伴うサービス停止について(8/24-26)

Completed maintenance

Fri. Apr. 13, 2018
Done
【Urgent】The temporal suspension of Wi-Fi service at Main Campus (Apr.13(Fri) 12:00～13:00)
Fri. Mar. 30, 2018
Done
Update of the SSH port forward service server
Wed. Mar. 28, 2018 - Thu. Apr. 5, 2018
Done
[Supercomputer]Service suspension for the maintenance at the end of the fiscal year
Thu. Mar. 22, 2018 - Fri. Mar. 23, 2018
Done
The temporary suspension of e-learning, Information Security
Thu. Mar. 15, 2018 - Fri. Mar. 16, 2018
Done
Urgent suspension due to switching the network device
Wed. Mar. 14, 2018
Done
PandA service is not available due to maintenance from 14 Mar to 15 Mar.
Wed. Mar. 7, 2018
Done
About the suspension of the communication due to the VPN wide maintenance operation
Thu. Mar. 1, 2018 - Sun. Mar. 11, 2018
Done
【Education System 】＜Apology＞The restart of the PC terminals of the OSL was delayed
Tue. Feb. 27, 2018
Done
The temporal suspension of IP phone network (Feb.27 (Tue) 12:00-13:00)
Tue. Feb. 27, 2018 - Wed. Mar. 7, 2018
Done
About the network suspension in Katsura campus(Feb.27(Tue)～Mar.7(Wed))
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