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Scheduled Maintenance on April 4-5, 2015

Dear colleagues and students

ITS Maintenance Window on April 4-5, 2015

The following maintenance will be carried out on April 4-5, 2015 (Saturday and Sunday) and the major services to be affected include staff email (HKUCC1 and HKUCC), graduate email (graduate.hku.hk) and network services in Faculty of Medicine Building.

Date

Time

Maintenance on

Service to be affected

Apr 4, 2015 (Sat)

1:00 pm - 3:00 pm

WiFi service at Centennial Campus

An interruption of 5 minutes during the maintenance period.

3:30 pm - 5:00 pm

Staff email system (HKUCC1) to prepare for the coming upgrade to MS Exchange 2013

Possible service interruption in HKUCC1 mail service.

9:00 pm - 10:00 pm

Adobe Connect server for applying system patches

The Adobe Connect web conference service will be suspended during the 1-hour maintenance period.

Apr 5, 2015 (Sun)

Midnight - 6:00 am

Cisco IP phone servers for firmware and driver update

Less than 30-second intermittent interruptions in all IP phones (phone numbers start with 3917). Ongoing calls will not be affected.

2:00 am - 3:00 am

High definition Radvision multi-party conferencing system

Service suspension during the 1-hour maintenance period.

2:00 am - 3:30am

Network equipment for power maintenance

An interruption of 3 minutes in High Performance Computing (HPC) system, Wi-Fi.HK via HKU, HKUVPN and network services in central classrooms.

9:00 am - 1:00 pm

Staff email (HKUCC), graduate email (graduate.hku.hk) and mailing list services for patch update

All the mentioned services will be suspended.

9:00 am - 5:00 pm

Network cabling on 4/F William MW Mong Block, Faculty of Medicine Building (FMA)

Network and IP phone services on 4/F of FMA will be suspended.

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.

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.