Final Update: Tuesday, 09 June 2020 03:47 UTC
We've confirmed that all systems are back to normal with no customer impact as of 06/09, 03:08 UTC. Our logs show the incident started on 06/06, 23:26 UTC and that during the 2 days, 3 hours and 42 minutes that it took to resolve the issue, Customers may notice that when performing any ARM action referencing the Microsoft.Insights resource provider in Central US, it may take longer that usual for ARM to complete the requests.
- Root Cause: The failure was due to an isolated frontend instance responding to requests improperly, impacting the ability of ARM to access the resource provider
- Incident Timeline: 2 days, 3 hours & 42 minutes - 06/06, 23:26 UTC through 06/09, 03:08 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
-Eric Singleton