We've confirmed that all systems are back to normal with no customer impact as of 07/19, 03:34 UTC. Our logs show the incident started on 07/19, 02:34 UTC and that during the 1 hour that it took to resolve the issue some customers using Application Insights may have experienced issues with intermittent failures accessing live metrics in Australia East Region.
Root Cause: The failure was due to issues with one of the dependent backend services.
Incident Timeline: 1 Hour - 07/19, 02:34 UTC through 07/19, 03:34 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.