Experiencing Data Gaps for Many Data Types – 02/06 – Resolved

Final Update: Tuesday, 06 February 2018 08:42 UTC

We've confirmed that all systems are back to normal with no customer impact as of 02/06, 08:23 UTC. Our logs show the incident started on 02/06, 02:45 UTC and that during the 5 hours 38 minutes that it took to resolve the issue all customers would have experienced alerting failures and customers who have created new Application Insights apps during the impacted window would not be able to see the telemetry data.
  • Root Cause: The failure was due to an issue in one of our dependent platform services.
  • Incident Timeline: 5 Hours & 38 minutes - 02/06, 02:45 UTC through 02/06, 08:23 UTC

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


Initial Update: Tuesday, 06 February 2018 08:00 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience Data Gaps. The following data types are affected: Availability,Customer Event,Dependency,Exception,Metric,Page Load,Page View,Performance Counter,Request,Trace.
  • Next Update: Before 02/06 10:00 UTC

We are working hard to resolve this issue and apologize for any inconvenience.

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