We've confirmed that all systems are back to normal with no customer impact as of 06/09, 10:21 UTC. Our logs show the incident started on 06/09, 07:44 UTC and that during the 2 Hours & 37 minutes that it took to resolve the issue, some customers may have experienced intermittent log data gaps and incorrect alert activation in East US 2 region.
Root Cause: The failure was due to an issue with one of our dependent service.
Incident Timeline: 2 Hours & 37 minutes - 06/09, 07:44 UTC through 06/09, 10:21 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
Initial Update: Wednesday, 09 June 2021 10:25 UTC
We are aware of issues within Application Insights in East US 2 region and are actively investigating. Some customers may experience intermittent log data gaps and incorrect alert activation.
Work Around: None
Next Update: Before 06/09 13:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience. -Vyom