The maintenance been postponed.
We will announce the postponed schedule on this web page as soon as it is decided.(update 2021/12/16）

The maintenance for virtual environment of ACCC will be take place on December 19th(Sun). The servers on the environment are not available for about 10 minutes between 8:30 to 9:30.

Mainly affected systems are as follows:

• Library System
• Groupware office system (mail system for @un domain)
• Mail Gateway
• Zengaku Computer System
• Rental servers (operated by ACCC)

*2021/12/13 Time has changed.