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Final Update: Thursday, 26 March 2020 23:36 UTC

We've confirmed that all systems are back to normal with no customer impact as of 03/26, 22:40 UTC. Our logs show that the incident started on 03/26, 21:40 UTC and that during the 1 hour that it took to resolve the issue some customers in West US region might have experienced intermittent data latency, data gaps and incorrect alert activation.
  • Root Cause: The failure was due to an issue in one of our dependent services.
  • Incident Timeline: 1 hour - 03/26, 21:40 UTC through 03/26, 22:40 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Saika

Initial Update: Thursday, 26 March 2020 22:47 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers in West US region may experience intermittent data latency, data gaps and incorrect alert activation.
  • Work Around
  • Next Update: Before 03/27 02:00 UTC
We are working hard to resolve this issue and apologize for any inconvenience.
-Saika