UPDATE: The upgrades on mudd-edge-1 and phi-edge-1 were both completed successfully by 8:10 am. Connectivity to all affected buildings has been restored.

On Thursday, March 21th, from 5AM until 8:30AM, CUIT will be perfoming IOS upgrades on network switches. The following buildings will lose network connectivity for some time during this maintenance period:

90 Morningside Drive
401 W118th Street
423 W120th Street 
500 W122th Street 
502 W122th Street 
506 W122th Street 
501 W121th Street
519 W121th Street
527 W121th Street
520 W122th Street 
526 W122th Street 
530 W122th Street 
540 W122th Street  
524 W122th Street 
Avery
Buell
CEPSR
Computer Science 
Engineering Terrace 
Fairchild 
Fairholm 
Fayerweather 
Kent 
Mudd 
Philosophy 
Schermerhorn 
Schermerhorn Extension 
St. Paul's Chapel 
Teacher's College 

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 visithttp://cuitalerts.columbia.edu/.