[FINISHED] keio.jp system maintenance information

The work for today has been completed.

Due to the additional functions added in this work, it will take some time to authenticate.
When you access keio.jp or linked applications for the first time after this work, an SSO error may be displayed or you may not be able to log in due to an error.
In this case, please log in again to keio.jp and the applications.
Due to maintenance of the keio.jp authentication system, you may not be able to log in temporarily during the following time.

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Due to the system maintenance, keio.jp will be temporarily unavailable during the following period.

[Period]
7:30 a.m. to 8:30 a.m. on Tuesday, May 31 , 2022

[Affected]
- Google Workspace
- Box
- Zoom
- Webex
- Slack
- Canvas
- Microsoft 365 Apps

Other services authenticated by keio.jp may also be affected.
We apologize for any inconvenience, and thank you for your cooperation.