Final Update: Thursday, 31 October 2019 01:08 UTC
We've confirmed that all systems are back to normal with no customer impact as of 10/31, 01:00 UTC. Some limited number of customers in East US may see data loss during the impact window.
- Root Cause: The failure was due to a backend service entering an unhealthy state.
- Incident Timeline: 2 Hours & 0 minutes - 10/30, 23:00 UTC through 10/31, 1:00 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
-Matt