Planned Update Maintenance on Campus Network is scheduled for 12 February 2022. This will affect any CIS services including Network Connection(KITnet).
The CIS services listed on the page below will be unavailable/unstable while the maintenance is underway. 
https://confluence.cis.kit.ac.jp/x/pOKL
(such as Moodle, Webex, Nextcloud, FileSender, etc)
◆Maintenance Period:
- 9:00am Saturday 12 February – 17:00pm Saturday 12 February
Thank you for your cooperation.
If you have any questions and concerns, please access our online form
https://helpdesk.cis.kit.ac.jp/
and make an inquiry via the link “Get assistance for general IT problems and questions”.