On 2022/3/25 (Fri.), various service systems will be down during the following time period due to medium-scale maintenance work.
We appreciate your understanding and cooperation in this matter.

[1] Disconnection from the Internet

13:00 - 14:00 (1 hour)

[ Scope of influence ]

1. On campus ==> Internet access suspended
   *The following accesses will also be stopped.
   • Access to Cybozu Garoon
   • Access to Education Affairs Information System
   • Access to YNU LMS from within the university
   • Access to the university website and departmental websites from within the university
   • Access to the Library System
2. Off campus ==> Access to campus systems suspended
   *The following accesses will not be stopped.
   • Off-campus access to YNU LMS
   • Off-campus access to university-wide and departmental websites

[2] YNU LMS

18:00 - 19:00 ( 1 hour )

[3] Account management system, Password Changer for students

18:00 - 20:30　( 2 hours and 30 minutes )

[4] Web Hosting Service

18:00 – 20:00 About 15 minutes between

*Due to the staggered maintenance of two hosting servers, the downtime will vary depending on the website.

[5] Old Mailing List Service (ml.ynu.ac.jp)

18:00 - 19:00 ( 1 hour )

[6] Other service systems include

1. Academic Certification Federation Services
2. Systems not managed by the YNU ITSC, such as the Education Affairs Information System, Library System, ESVOD, etc., which are used with the YNU login ID of the YNU ITSC
3. YNU-WiFi , Wireless LAN for faculty and staff only , eduroam
   [important]
   Please note that after this maintenance work, OS that do not support TLS 1.2 (e.g., devices under Android 5 series) will no longer be able to connect.
4. UNIX Education Dedicated Server
5. Matrix Authentication Services
6. Web Survey Service

18:00 – 21:00 About 15 minutes between
(The time period during which the system is shut down varies with each system.)