Final Update: Tuesday, 29 September 2020 18:38 UTC
We've confirmed that all systems are back to normal with no customer impact as of 09/29, 18:20 UTC. Our logs show the incident started on 09/28, 21:45 UTC and that during the 20 hours 35 mins that it took to resolve the issue.
Root Cause: AAD outages
Incident Timeline: 20 Hours & 35 minutes - 09/28, 21:45 UTC through 09/29, 18:20 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
Initial Update: Tuesday, 29 September 2020 18:00 UTC
We are aware of issues within Application Insights and are actively investigating. Some customers may experience issues retrieving availability results in WUS Application Insights components.
Work Around: none
Next Update: Before 09/29 20:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience. -Vincent