Central Firewall Maintenance (Sat, 21 Mar 2026, 2:00 p.m. – 8:00 p.m.)
Users Affected All Staff and Students
Start Time 21 Mar 2026 (Sat) 2:00 p.m.
End Time 21 Mar 2026 (Sat) 8:00 p.m.
Cause Central Firewall System Upgrade
Service Affected During this period, you will experience intermittent disconnection in accessing various IT systems below. Please avoid carry out mission critical works during the upgrade period.

  • Central Authentication Service,
  • CUHK Web Server, etc

For the avoidance of doubt: Email, Microsoft 365, Blackboard, SharePoint, Wi-Fi, and VPN will be in service as usual.

Status Scheduled