Final Update: Friday, 8/21/2015 22:53 UTC
Between 8/19/2015 14:28 UTC - 8/20/2015 21:53 UTC and 8/21/2015 12:05 UTC - 8/21/2015 18:22 UTC, some customers may have been unable to access or store new performance violations and exception event data. We’ve confirmed that all systems are back to normal with no customer impact as of 8/21/2015 18:22 UTC. Root cause has been isolated to network connectivity issues with the backend infrastructure.
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
-Application Insights Service Delivery Team