Users were experiencing network connectivity issues.
Users located in the following locations were affected:
Learnnet classrooms and labs:
Users were experiencing network connectivity issues with wired networks, University Wireless Service (UWS) and Voice over Internet Protocol (VOIP)
Start: 2015/02/02 06:55 Monitoring systems detected an alert with the UPS (uninterruptible power supply) located in the Faculty of Business.
2015/02/02 08:30 IST began to check the UPS status to investigate the cause of the alert.
2015/02/02 08:55 Monitoring systems detected the Business distribution switch and all connected devices were unreachable. Analysts were dispatched to investigate the issue on site.
2015/02/02 09:15 A UPS was discovered to be powered off. UPS was powered back on.
2015/02/02 09:20 The distribution switch services was restored.
End: 2015/02/02 09:25 Service was confirmed to be restored.
The UPS inexplicably turned itself off. The distribution switch became unavailable as both power connections were connected to the failed UPS.
The UPS was turned back on to restore power to the distribution switch which restored the affected IT services. The second power supply on the distribution switch was disconnected from the UPS and plugged directly into the building power to provide redundant power.