IP Phone and Network Services interruption on 29 April 2016 10:49am – 12:15pm

User affected	All users
Start Time	Friday 29 April 2016 10:45am
End Time	Friday 29 April 2016 12:15pm
Statue	Service resumed
Cause	The outage was caused by a maintenance work which accidently triggered off a disruption of the campus network. In order to prevent the same mishap to recur, the operating procedure has been tightened. A computerized system will be put in place from this coming August so that any high impact change can be carefully managed.
Service Affected	Campus users might experience Unstable or loss of network / wifi / vpn connections; No IP phone services (incoming and outgoing calls); Fail to login and use campus-wide systems such as MyCUHK, E-mail, CUSIS, CUPIS, OnePass, Change Password, etc
Summary	Immediate remedial actions had been taken to resume the service. ITSC is investigating the root cause, and a report with recommendation will be presented to senior management so as to prevent the same incidents from happening again.
Enquiry	We apologize for any inconvenience this may have caused. Should you have any further enquiries on this matter, please contact ITSC Service Desk