Columbia University Information Technology

Service Alerts

Active Service Alerts

  • Email - Exchange
    01/20/2019 - 12:00pm to TBD

    *** COMPLETED ***

    Beginning at Noon on Sunday, January 20, 2019, CUIT will perform scheduled maintenance on the ADCU Exchange email servers.  This scheduled maintenance is expected to be completed by midnight.  Please note that this will not affect customers that have not migrated to ADCU.

    During the scheduled time of this Service Alert customers may experience brief disconnects while using Outlook.  If Outlook prompts for a password or does not show new messages after the work is complete, please restart Outlook.

    CUIT apologizes for any inconvenience this may cause, but this action is necessary to ensure a more reliable service.  If customers continue to experience issues after the scheduled maintenance window, please contact the CUIT Service Desk at:



    Phone: 212-854-1919


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

  • Telephony - NetPhone
    01/18/2019 - 07:00pm to TBD

    Update: This maintenance was completed successfully at 11:42PM. 

    CUIT has scheduled an upgrade of the NetPhone telephone system for Friday, January 18, 2019, starting at 7:00PM through Saturday, January 19, 2019 at 2:00PM.

    During the maintenance window, there may be one or more brief periods during which users may not be able to place or receive phone calls, access voicemail, or access the myNetphone portal, including the call forwarding configuration panel.

    If you experience any disruption after the maintenance window please contact CUIT at by calling 212-854-1919 or by email at

  • ADCU Active Directory
    01/11/2019 - 02:42pm to TBD
    At 5pm this afternoon Friday January 11th, we will be performing routine maintenance on the ADCU Domain. Users may experience a short period of time where they cannot login to ADCU services and machines. Outage should be less than 5 minutes