We've confirmed that all systems are back to normal with no customer impact as of 11/20, 20:30 UTC. Our logs show the incident started on 11/20, 05:00 UTC and that during the 15 hours 30 min that it took to resolve the issue approximately 4% of customers in North Europe and East US2 might have experienced error while loading data in Application Insights dashboards.
Root Cause: The failure was due to failure in one of our dependent services
Incident Timeline: 15 Hours & 30 minutes - 11/20, 05:00 UTC through 11/20, 20:30 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
Initial Update: Tuesday, 20 November 2018 18:27 UTC
We are aware of issues within Application Insights and are actively investigating. customers may experience error while loading the data in Application Insights.
Work Around: none
Next Update: Before 11/20 21:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.