Experiencing Alerting failure for Availability Data Type – 03/16 – Resolved


Final Update: Friday, 16 March 2018 22:27 UTC

We've confirmed that all systems are back to normal with no customer impact as of 03/16 18:00 UTC. Our logs show the incident started on 03/15 06:00 UTC and during this duration customers may experience delay in receiving alerting emails based on availability tests.
  • Root Cause: The failure was due to communication failures between two services which are responsible for alert rules and alerts input.
  • Lessons Learned: We understand the root caused completely and work has planned to avoid re-occurrence of this issue in future.
  • Incident Timeline:  03/15/2018 06:00 - 03/16/2018 18:00 UTC

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

-Deepesh


Initial Update: Friday, 15 March 2018 06:00 UTC 

Customers may experience delay in receiving alerting emails based on availability tests. We have deployed a fix to mitigate the email latency issue. There could still be delay of 30 minutes in receiving alert emails. We will closely monitor the issue and provide more information as we learn.


  • Work AroundCustomers may use azure portal to view failures
    and success in availability charts
  • Next Update: Before 03/16 18:00 UTC 

We apologize for any inconvenience.


-Sindhu





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