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Final Update: Friday, 29 March 2019 07:39 UTC

We've confirmed that all systems are back to normal with no customer impact as of 03/29, 06:05 UTC. Our logs show the incident started on 03/29, 06:45 UTC and that during the 40 minutes that it took to resolve the issue some customers would have faced while accessing their data in Application Insights and Azure Log Analytics. Some customers may have also experienced alerts firing incorrectly .
  • Root Cause: The failure was due to a failure in our back-end platform.
  • Incident Timeline:  40 minutes - 03/29, 06:05 UTC through 03/29, 06:45 UTC
We understand that customers rely on Azure Monitor as a critical service and apologize for any impact this incident caused.

-Varun

Initial Update: Friday, 29 March 2019 07:09 UTC

We are aware of issues within Application Insights and Log Analytics and are actively investigating. The Application Insights and Log Analytics experience in the WUS2 region would have been degraded
  • Work Around: None.
  • Next Update: Before 03/29 09:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.
-Varun