Columbia University Information Technology

Service Alerts


Resolved Service Alerts

Resolved Service Alerts

  • Email
    12/17/2014 - 01:15pm to 12/17/2014 - 01:45pm

    Followup to service alert of 12/15.

    We are pleased to say that availability on the incoming mail server was up to 99.8% yesterday following the addition of a tenth server and temporary block on the mail flood from

    Mail from was allowed last night 9pm to 5am, so that pending messages from there could be delivered. It is temporarily blocked again during the day today.

    Work on the replacement system continues. Our goal is 100% availability.


  • Network - Ethernet and Wireless
    12/16/2014 - 10:30am to 12/16/2014 - 11:10am

    UPDATE 12/16/14 11:05 AM: Service has been restored 

    Begining on Tuesday, December 16 at 10:30 AM , wireless connectivity became unavailable in 21 Claremont due to a building-wide power outage. CUIT administrators have been notified and are currently working to resolve the issue. We apologize for this service interruption.

    For a complete list of recent and upcoming scheduled service changes, please visit

  • Network - Ethernet and Wireless
    12/16/2014 - 02:00am to 12/16/2014 - 07:00am

    On Tuesday, December 16, from 2:00-7:00 AM, CUIT is performing necessary electrical maintenance on the fifth floor of Studebaker. This scheduled maintenance is expected to be completed on time and no network downtime 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


  • Email
    12/15/2014 - 11:14am to 12/15/2014 - 03:00pm

    Incoming mail was disrupted 09:15-09:30 when a mailing company called sent us 16,000 separate messages from 75 servers in the course of 10 minutes. During the disruption many outside mail systems would have had to queue mail for re-try. By now that mail will have been delivered. Further mail from will be given a temporary fail for the time being.

    This also prevented some scanners on campus from sending to during that same time. 

    Other news about the incoming mail gateway. We have added a tenth old server to the existing pool to increase capacity. Simultaneously we are progressing well on a fast-track project to move the entire pool to newer hardware. 

  • Rascal (Research and Compliance System)
    12/15/2014 - 10:20am to 12/15/2014 - 11:20pm

    Begining 10:12am , Rascal became unavailable due to unknown reasons. CUIT administrators have been notified and have resolved the issue as of 10:18am.

    For a complete list of recent and upcoming scheduled service changes, please visit