Columbia University Information Technology

Service Alerts


Resolved Service Alerts

Resolved Service Alerts

  • Network - Ethernet, Wireless and NetPhone
    03/16/2017 - 07:00am to 03/16/2017 - 08:00am


    Due to winter storm conditions, the date of this work has been changed, from Wednesday 3/15, to Thursday 3/16. 


    Facilities is performing a monthly test of their power systems at JLGSC/MBBI (Jerome L. Greene Science Center / Mind Brain Behavior Institute) and CEP (Central Engery Plant), on Wednesday March 15th, from 7:00am until 8:00am.

    All CUIT network equipment, at both of these locations, are connected to redundant power, so no loss of connectivity is anticipated.


    For questions about this event, please contact the CUIT Helpdesk at, or call 212-854-1919.

    To see all active and future Service Alerts, please visit


  • Network - Ethernet, Wireless and NetPhone
    03/16/2017 - 06:00am to 03/16/2017 - 08:00am

    CUIT is performing network maintenance on the 7th floor of the Northwest Corner Building (NWCB) on Thursday March 16th, from 6:00am until 8:00am.  During this time, some customers on floors 7 & 7M may lose wired- and/or wireless- network connectivity.

    CUIT apologizes for any inconvenience this may cause, but this action is necessary to ensure a more reliable service.  If clients continue to experience issues after the service-interruption hours, please contact the CUIT Helpdesk at:


    Phone:   212-854-1919



    For a list of active and future Service Alerts, please visit


  • Telephony - NetPhone
    03/15/2017 - 04:32pm to 03/20/2017 - 03:37pm

    Between 3:30 and 4:00pm this afternoon, one of the Netphone gateways experienced a critical error and was automatically restarted.  Some users may have experienced dropped calls and the inability to make outbound calls during this period.  Engineers are investigating this issue.  

  • Network - Ethernet
    03/13/2017 - 12:01pm to 03/13/2017 - 03:30pm
    Due to a shortage of ip addresses, customers located at 400 W119, 420 W119 and 90 Morningside may have experienced service inteeruptions.  CUIT is in the process of expanding the ip pool and should shortly have the issue fully resolved.
  • Course Works
    (Approximate) 03/13/2017 - 10:25am to 03/13/2017 - 12:30pm

    UPDATE: Canvas Service has been restored we continuing to monitor the situration to ensure there are no lingering effects.  If you continue to experiance any issues please contact the CUIT Service Desk at 212-854-1919 or


    Beginning at approximately 10:25, some users may not be able to log into Canvas. Canvas engineers are aware of the issue and their administrators have been notified and are currently working to resolve the issue.

    For updates on status every 15 minutes, please visit