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Scheduled Maintenance on July 4-5, 2015

Dear colleagues and students

ITS Maintenance Window on July 4-5, 2015

The following maintenance will be carried out on July 4-5, 2015 (this Saturday and Sunday) and among them, the major services to be affected include:

  1. Student Portal and Student Information System (SIS): Saturday 2:30 pm - 8:30 pm
  2. HKU Portal and services using Single-Sign-On (Central Authentication Service) for authentication: Sunday 6 am - 10 am
  3. Applications hosting under HKU Portal and other central servers related to students, research, CEDARS, finance, estates, etc.: Sunday 8 am - 2 pm
  4. Network and IP phone services in 10/F Laboratory Block, Faculty of Medicine Building: Sunday 9 am - 5pm
  5. Network at Cyberport campus: Sunday 2 pm - 5 pm
  6. Internet and HKU website: Sunday 4 pm - 6 pm

For enquiries, please contact our Service Desk at ithelp@hku.hk or 3917 0123 during office hours; and call our Computer Room at 2859 2496 after office hours.

The details are shown below:



Maintenance on

Service to be affected

July 4, 2015

1:00 pm - 3:00 pm

WiFi service at Centennial Campus

A 60-second service interruption to WiFi service at Centennial Campus.

2:00 pm - 2:30 pm

My eLearning tab under HKU Portal

There will be a 10-second service interruption to My eLearning tab under HKU Portal.

2:30 pm – 8:30 pm

Student Portal and Student Information System (SIS) for disaster recovery drill

Student Portal and all services of SIS will be suspended.

July 5, 2015

Midnight - 1:00 pm

HKU Software Asset Management System (HKUSAM) for upgrade

All functions supported by HKUSAM will be suspended.

6:00 am - 10:00 am

HKU Portal and central servers (m.portal, ids.hku.hk, LDAP, UISFILES) for applying OS patch update

HKU Portal and services using Single-Sign-On (Central Authentication Service) will be suspended during the 4-hour maintenance period. Access to central server (UISFILES) will be suspended from 6 am - 8 am.

8:00 am - 2:00 pm

UIS Oracle Application Server for upgrade

Some applications hosting under HKU Portal and other central servers will be suspended.

9:00 am - 5:00 pm

Network cabling on 10/F Laboratory Block, Faculty of Medicine Building (FML)

Network and IP phone services between 5/F and 11/F of FML will be suspended.

2:00 pm - 5:00 pm

Fibre circuits of the Wide Area Network (WAN) at Cyberport campus for health check

Intermittent interruptions in the network service at the Cyberport campus.

4:00 pm - 6:00 pm

Web Application Firewall for configuration setting

Two 5-minute interruptions in the Internet and HKU web site services.

We apologize for any inconvenience that may cause.

K C Chang
Systems Team
Information Technology Services


Scheduled maintenance messages are shown at http://www.its.hku.hk/sysmt.
Messages about current service suspension, if any, are shown at the "Service Suspension" section of ITS homepage http://www.its.hku.hk and at the HKU App => Staff Corner or Student Corner => Service Suspension.