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Final Update: Wednesday, 11 September 2019 22:19 UTC

We've confirmed that all systems are back to normal  as of 09/11, 21:11 UTC. Our logs show the incident started on 09/11, 21:03 UTC and that during the 8 mins that it took to resolve the issue 8% of regional customers might have experienced data gaps, alert activation and data latency issues in multiple regions .
  • Root Cause: The failure was due to unavailability of a back end data system.
  • Incident Timeline: 0 Hours & 8 minutes - 09/11, 21:03 UTC through 09/11 21:11 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Subhash