Experiencing Alerting failure for Many Data Types – 02/14 – Resolved


Final Update: Wednesday, 14 February 2018 19:52 UTC

We've confirmed that all systems are back to normal with no customer impact as of 2/14, 19:41 UTC. Our logs show the incident started on 2/14, 14:45 UTC and that during that time about 7% of customers received intermittent errors viewing metric and availability data
while using the overview blade in the Azure Management Portal.


  • Root Cause: The failure was due to a bad instance state
  • Incident Timeline: 4 Hours & 56 minutes - 2/14, 14:45 UTC through 2/14, 19:41 UTC

We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-J Miller


Initial Update: Wednesday, 14 February 2018 18:28 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience Alerting failure. The following data types are affected: Availability.
  • Next Update: Before 02/14 20:30 UTC

We are working hard to resolve this issue and apologize for any inconvenience.
-J Miller




Skip to main content