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Scheduled Maintenance on October 3 - 4, 2015

Dear colleagues and students

ITS Maintenance Window on Oct 3 - 4, 2015

The following maintenance will be carried out on Oct 3 - 4, 2015 (this Saturday and Sunday) and among them, the major services to be affected include:

  1. Internet service: Sunday 4 pm - 6 pm.
  2. Central email service for staff (@hkucc.hku.hk), graduates (@graduate.hku.hk) and email gateway (mail7.hku.hk): Sunday 9 am - 11 am.
  3. ITS website (www.its.hku.hk): Sunday noon - 4 pm.
  4. IP phones (phone numbers start with 3917) in Main Campus: Saturday 11 pm - Sunday 7 am.

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:

Date

Time

Maintenance on

Service to be affected

Oct 3, 2015
(Sat)

1:00 pm - 2:30 pm

Servers supporting Data Leakage Prevention (DLP) Project for patch update

Intermittent interruptions of 5-minute affecting logon to the DLP server.

Oct 3 - 4, 2015
(Sat - Sun)

11:00 pm - 7:00 am

Cisco server supporting IP phone system in Main Campus for firmware upgrade

Intermittent interruptions of less than 30-second to all IP phones (phone numbers start with 3917) in Main Campus. Ongoing calls will not be affected.

Oct 4, 2015
(Sun)

9:00 am - 11:00 am

Servers supporting central email service for staff (@hkucc.hku.hk), graduates (@graduate.hku.hk) and email gateway (mail7.hku.hk)

Each server will experience a 10-minute interruption during the maintenance period.

12:00 noon - 4:00 pm

ITS website (www.its.hku.hk) for version upgrade of server operating system and content management system

There will be a 1-minute interruption and access to ITS website and its hosting account applications will be affected.

4:00 pm - 6:00 pm

Internet firewall for upgrade of the Intrusion Prevention System (IPS) engine

Two 5-minute interruptions to the Internet service during the maintenance period.

We apologize for any inconvenience that may cause.

K C Chang
Systems Team
Information Technology Services

Note:

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.