Experiencing Alerting failure for Availability Data Type – 09/15 – Resolved


Final Update: Thursday, 15 September 2016 21:00 UTC

We've confirmed that all systems are back to normal with no customer impact as of 9/15, 20:30 UTC. Our logs show the incident started on 9/15, 11:40 UTC and that during the 9 hours that it took to resolve the issue small subset of customers would have not been able to see the state of their configured alerts
  • Root Cause: Complete root cause is pending from the team.
  • Lessons Learned: We have collected telemetry during the impact window and will work on analyzing it further.
  • Incident Timeline: 9 Hours & 10 minutes - 9/15, 11:40 UTC through  9/15, 20:30 UTC

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

-Vamshi


Update: Thursday, 15 September 2016 19:17 UTC

We continue to investigate the issue. We have captured additional telemetry from the service and working with partner teams to establish a cause for the issue.
  • Work Around: None
  • Next Update: Before 09/15 23:30 UTC

-Vamshi


Update: Thursday, 15 September 2016 15:16 UTC

We continue to investigate issues within Application Insights. Root cause is not fully understood at this time. Some customers who configured alerts may not be able to see the state of the alerts. We are working to establish the start time for the issue, initial findings indicate that the problem began at 09/15 ~11:40 UTC. We currently have no estimate for resolution.
  • Work Around: None
  • Next Update: Before 09/15 19:30 UTC

-Mohini


Initial Update: Thursday, 15 September 2016 13:07 UTC

We are aware of issues within Application Insights caused due to a network issue, and are actively investigating. Some customers may experience Alerting failure. The following data types are affected: Availability.
  • Work Around: None
  • Next Update: Before 09/15 15:30 UTC

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


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