ITS carries out regular maintenance of the University’s central IT environment generally in the first weekend of each month, from Saturday 1:00 pm to Sunday 11:00 pm. The monthly maintenance windows in 2021 are scheduled as follows:
- January 2-3, 2021
- February 6-7, 2021
- March 6-7, 2021
- April 3-4, 2021
- May 1-2, 2021
- June 6, 2021
- July 4, 2021
- August 8, 2021
- September 4-5, 2021
- October 2-3, 2021
- November 6-7, 2021
- December 4-5, 2021
On top of the above maintenance windows, 4 additional timeslots are scheduled in the following weekends in 2021 for coping with the increasing number of systems in operation:
- February 20-21, 2021
- April 18, 2021
- August 21-22, 2021
- October 16-17, 2021
During these periods, certain central IT services/systems could be closed or intermittently unavailable. We will announce the specific services/systems affected prior to each maintenance window via e-Notice and this website - https://www.its.hku.hk/maintenance/schedule. Departments are advised to avoid having critical events/activities that would rely heavily on the availability of central IT services during the maintenance windows.
For urgent situations, ITS may be required to carry out system maintenance/repair works outside the regular schedules. We will notify the users concerned via the appropriate communication channels under such circumstances.
Note: For ITS scheduled maintenance in year 2020, please refer to https://www.its.hku.hk/maintenance/schedule/2020.