Columbia University Information Technology

Service Alerts


Service Impact: 
Alert Date: 
03/20/2013 - 05:00am to 03/20/2013 - 08:30am
Main Content
Alert Message: 

Network connectivity has been restored to all buildings.


The IOS upgrades on both switches were completed.  Network connectivity has been restored to all buildings with the exception of parts of 130 Morningside.  This problem is currently being investigated.


On Wednesday, March 20th, 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:

3 Claremont 
44 Morningside Drive
80 Claremont
90 Morningside Drive
100 Morningside Drive
110 Morningside Drive
130 Morningside Drive
400 W119th Street 
401 W118th Street  
404 W116th Street  
405 W118th Street  
411 W115th Street  
414 W120th Street  
415 W115th Street 
415 W118th Street  
417 W118th Street  
419 W118th Street  
419 W119th Street  
420 W116th Street  
420 W119th Street 
421 W118th Street  
423 W118th Street  
424 W119th Street  
430 W116th Street  
434 W120th Street  
435 W119th Street  
438 W116th Street  
Career Services 
Casa Italiana 
Computer Center (non data center) 
Dodge Physical Fitness 
Dodge Hall
Earl Hall
East Campus 
Facilities Management 
Faculty House 
International Affairs Building 
Law School 
Lewishon Hall 
Low Library
President's House 
Union Theological Seminary
Warren Hall

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