Columbia University Information Technology

Service Alerts


Resolved Service Alerts

Resolved Service Alerts

  • Email - Cyrus
    11/06/2008 - 04:00am to 11/06/2008 - 05:00am

    One of the cyrus backend hosts has been down since 5:00am due to hardware failure.  Approximately 6,000 users are affected.  These accounts will not be able read old mail or receive new mail until the problem has been resolved.

    Engineers are on their way to investigate.


    Update 11/6/2009 at 6:04am:

    This problem was resolved by 6am.

  • Email - Cyrus
    11/03/2008 - 01:45pm to 11/03/2008 - 04:00pm

    Begining 11/3/2008 at 2:45pm, delivery of new email to Columbia Cyrus email accounts became unavailable.  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



    Update 11/3/2008 at 5:24pm:

    Mail is flowing normally as of 5pm.  No mail was lost, though some messages may be delivered out of order.

  • Course Works
    11/02/2008 - 07:00am to 11/02/2008 - 08:00am

    CourseWorks, the University's course management system, and the Sakai Pilot will be UNAVAILABLE from 7 to 8 a.m., THIS Sunday, November 2.

    We we will be performing systems, application, and Web server maintenance during this time.

    If you have further questions about CourseWorks or Sakai, please visit our support pages:


  • Network - Ethernet
    10/29/2008 - 12:00pm to 10/29/2008 - 12:30pm
    CUIT will be replacing faulty equipment at 542 W 112 St on 10/29 between 11:00am and 11:30am. Users on the 5th, 6th, and 7th floors will experience loss of network connectivity during this time.

    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


  • Email - Cyrus
    10/29/2008 - 11:45am to 10/30/2008 - 05:30am

    Some of the SMTP hosts are out of service because they are giving

    3 of 8 externalsmtp hosts.  This pool handles incoming mail to

    1 of 3 internalsmtp hosts.  These send mail originating on CUIT systems and mail sent to smtp server

    The impact of this outage is possible delays in mail delivery.


    Update 10/29/2008 at 1:05pm:

    All servers sending mail to other Columbia email addresses are restored.    The 3 of 8 servers sending mail outside of Columbia that are affected are likely to continue being affected until late afternoon.  No mail is lost, but may experience a delay in their transmission.


    Update 10/30/2008 at 9:26am:

    The three externalsmtp hosts had their operating system re-installed and tested, and were put back online at about 4:30 am today.