ACCC will be closed for the university summer closure from Monday August 10 to Friday August 14, 2026.
All systems ACCC operates will continue working during the closure period, except for the following partial time periods that have been announced.
夏季期間 基幹ネットワークサービス/アクセスポイント保守作業について （お知らせ）

However, services such as handling inquiries and problems will be unavailable. As ACCC does not provide support on weekends or holidays, these services will not be available from 17:00 on Friday, August 7 to 9:00 a.m. on Monday, August 17. Problems that may occur during that period will be handled from Monday August 17. If you experience an urgent problem during the period, please contact us via the form below:
CONTACT

Thank you for your understanding and cooperation.