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Final Update: Saturday, 14 December 2019 17:39 UTC

We've confirmed that all systems are back to normal with no customer impact as of 12/14, 17:00 UTC. Our logs show the incident started on 12/14, 16:26 UTC and that during the 34 minutes that it took to resolve the issue customers ingesting telemetry in Australia South East geographical region may have experienced intermittent data latency, data gaps and incorrect alert activation
  • Root Cause: The failure was due to one of our backend services
  • Incident Timeline:  34 minutes - 12/14, 16:26 UTC through 12/14, 17:00 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Eric Singleton