Final Update: Thursday, 14 November 2019 09:24 UTC
We've confirmed that all systems are back to normal with no customer impact as of 11/14, 06:19 UTC. Our logs show the incident started on 11/13, 12:52 UTC and that during the 17 hours and 27 minutes that it took to resolve the issue some customers in East US region might have experienced Data Latency.
Root Cause: The failure was due to an issue in one of our dependent services.
Incident Timeline: 17 Hours & 27 minutes - 11/13, 12:52 UTC through 11/14, 06:19 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.