Columbia University Information Technology

Service Alerts


Service Impact: 
Alert Date: 
01/10/2014 - 06:00pm to 01/10/2014 - 07:35pm
Outage Type: 
Planned Maintenance
Main Content
Alert Message: 

Update: F5 load balancer maintenance completed successfully at 7:15p. All services should now be operating normally. The maintenance window is closed as of 7:35p. Please report any issues to the CUIT Service Desk.

CUIT will perform maintenance
 of the F5 network load balancers on Friday, January 10th, between 6pm and 8pm. During this maintenance, CUIT will install new equipment to expand and improve service. The maintenance window is expected to last less than the allotted two hours.

All applications and services that depend on the F5 load balancer may be impacted. Some applications may be unavailable for several minutes during the maintenance window. We expect most services to transition with minimal client-facing disruption otherwise. It is possible, however, that some applications will be unavailable or experience longer disruption times during the maintenance window.

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

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

LDAP -- affects Wind Authentication and many other services
CAS and Shibboleth Authentication -- including UNI login to Lionmail, ServiceNow, Rascal and many other applications and services
CUIT's Wordpress infrastructure
CUIT's Drupal infrastructure and hosted sites/applications
CUIT's Lamp infrastructure and hosted sites/applications
CCIT Web Site
Libraries Web Sites
SIPA Web Sites
Identity & Access Management apps (DIA, uniapp, webphoto, password status, account management)
NINJa web interface -- including teh printing dollars replenishment and quota check tools

CUIT apologizes for any inconvenience caused by this essential maintenance.

If customers have questions about the maintenance, or if clients experience issues after the posted maintenance hours, please contact the CUIT Service Desk.

The CUIT Service Desk can be reached via email at, or by phone: 212-854-1919