Columbia University Information Technology

Service Alerts


Service Impact: 
Alert Date: 
09/09/2013 - 12:00pm to 10/01/2013 - 11:00am
Outage Type: 
Main Content
Alert Message: 

UPDATE 2013-09-19 17:30: This work was completed successfully at 17:30 with no service interruption. CUIT staff will continue to closely monitor the service.

UPDATE 2013-09-19 15:45: RADIUS servers continue to experience heavy load. CUIT staff will perform mantenance this afternoon between 17:00 and 17:30 to improve performance. Some users may experience momentarily delayed authentication during this work.

Some users are experiencing intermittent delayed or failed authentications to RADIUS-authenticated services, including VPN, Columbia Secure wireless and CUMC Athens wireless. CUIT staff are working to resolve the issue.

For a complete list of recent and upcoming scheduled service changes, please visit