Columbia University Information Technology

Service Alerts

Active Service Alerts

  • Multiple Systems
    12/20/2014 - 10:14am to TBD

     UPDATE: All systems have been patched. If you see any problems, please contact CUIT Service Desk at x41919.

    thank you 

    ----------------------------------------------------------- 

    Multiple vulnerabilities have been discovered in the Network Time Protocol daemon (ntpd). The Network Time Protocol daemon is a time synchronization service commonly implemented in Redhat Linux based operating systems.

    CUIT administrators are in the process of patching the Servers running Redhat Linux. This patch does not require a server or application restart.

    An update to this alert will be sent when patching is completed.

    We apologize for any inconvenience.

     

    Thank you 

  • Email - Exchange
    12/18/2014 - 11:51am to 12/24/2014 - 12:00pm

    CUIT will be performing operating system patching on our Exchange 2010 servers between 1 am and 5 am on the following days:

    Friday, 12/19

    Saturday 12/20 

    During these maintenance windows, users may briefly experience interruption in service and may be prompted to re-authenticate.

    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:

    Web:     http://cuit.columbia.edu/support

    Phone:   212-854-1919

    Email:     askcuit@columbia.edu

     

    For a list of active and future Service Alerts, please visit http://cuitalerts.columbia.edu/.

     

  • Network - Load Balancing
    12/21/2014 - 08:00am to TBD

    Update: This maintenance was completed successfully at 9:15am without incident. 

    CUIT will perform F5 LTM Load Balancer maintenance on Sunday, December 21st, 2014 from 8am to 10am. During this maintenance the F5 LTM software will be patched and system failover will be tested.

    Disruption to most applications is expected to be minimal. For web applications, users may receive a momentary error and need to reload the page. Applications that depend on persistent connections may experience additional disruption.

    Please contact your service support teams if you are concerned about the impact on your sites or 
applications.

    Services that depend on the F5 LTM network load balancer include the following:

    ARC
    LDAP -- affects many other services
    WIND
    CAS and Shibboleth Authentication -- including UNI login to Lionmail, ServiceNow, Rascal and many other applications and services
    CourseWorks
    FinSys
    www.pulitzer.org
    CUIT's Wordpress infrastructure
    CUIT's Drupal infrastructure and hosted sites/applications
    CUIT's Lamp infrastructure and hosted sites/applications 
    blogs.cuit.columbia.edu
    CCIT Web Site
    Wordpress
    Libraries Web Sites
    SIPA Web Sites
    Identity & Access Management apps (DIA, uniapp, webphoto, password status, account management)
    NINJa web interface -- including the printing dollars replenishment and quota check tools
    directory.columbia.edu
    forms.finance.columbia.edu
    forms.health.columbia.edu
    search.columbia.edu
    spreports.finance.columbia.edu
    vendor-request.finance.columbia.edu

    Reference: CHG0041767 

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

    To see all active and future Service Alerts, please visit http://cuitalerts.columbia.edu/

  • Network - Ethernet and Wireless
    01/13/2015 - 05:00am to 01/13/2015 - 08:00am

    On Tuesday, January 13, 2015, from 5:00 AM to 8:00 AM, CUIT is performing necessary maintenance in Low Library.  During the scheduled, clients in the West Wing offices and Gallery on the 2nd, 3rd, and 4th floors may experience a loss of network connectivity. This scheduled maintenance is expected to be completed on-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:

    Web:     http://cuit.columbia.edu/support

    Phone:   212-854-1919

    Email:     askcuit@columbia.edu

     

    For a list of active and future Service Alerts, please visit http://cuitalerts.columbia.edu/.

     

    For a list of active and future Service Alerts, please visit http://cuitalerts.columbia.edu/.

     

  • Network - Ethernet and Wireless
    01/08/2015 - 05:00am to 01/08/2015 - 08:00am

    On Thursday, January 8, 2015, from 5:00 AM to 8:00 AM, CUIT is performing necessary maintenance in Low Library.  During the scheduled, clients in the Basement, 1st and 2nd floors (206-Burden Room, 207-Faculty Room, 208, 209, 210, 212-Trustees Room, 214-Rotunda), and Room 311 may experience a loss of network connectivity. This scheduled maintenance is expected to be completed on-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:

    Web:     http://cuit.columbia.edu/support

    Phone:   212-854-1919

    Email:     askcuit@columbia.edu

     

    For a list of active and future Service Alerts, please visit http://cuitalerts.columbia.edu/.