Several servers that host the www.ualberta.ca website experienced an issue.
Anyone trying to reach www.ualberta.ca was affected by this outage.
The affected users received an error when trying to access the www.ualberta.ca website.
Start: 2015/12/01 03:30 - Monitoring systems reported several servers that host www.ualberta.ca website became unresponsive.
2015/12/01 04:00 - IT support analysts began working on the issue.
2015/12/01 07:15 - IT support analysts began restarting the affected web servers to restore service.
End: 2015/12/01 08:30 - Service was confirmed restored.
The root cause of this incident was the web servers became unresponsive and stopped handling requests for the web pages.
To resolve this issue, all the affected servers were restarted.
Review system monitoring to proactively identify non responsive systems.