Columbia University Information Technology

Service Alerts


Service Impact: 
Alert Date: 
08/31/2017 - 12:00am to 08/31/2017 - 02:00pm
Outage Type: 
Planned Maintenance
Main Content
Alert Message: 

Update at 12PM:  This notice is being sent to inform you that the work associated with today’s maintenance window is complete.

Update at 8 AM: Fiber engineering team has requested an extended window until 10am this morning.<!--[if gte mso 9]> <![endif]-->

update 6AM: Fiber engineering team has requested an extended window until 8am this morning

Lightower is performing emergency maintenance on their equipment, which will affect our network connection between 32 Avenue of the Americas and 729 7th Avenue, on Thursday August 31st, from 12:00am (midnight) until 6:00am.

During the time of their work, customers may lose network connectivity to- and from- 729 7th Avenue for up to 2 hours.


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