Experiencing Data Gaps issue in Azure Portal for Many Data Types – 08/26 – Resolved

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Final Update: Thursday, 26 August 2021 08:55 UTC

We've confirmed that all systems are back to normal with no customer impact as of 08/26, 08:22 UTC. Our logs show the incident started on 08/26, 06:15 UTC and that during the 2 hours and 07 minutes that it took to resolve the issue some customers may have experienced intermittent data gaps and incorrect alert activation in West Europe region. 
  • Root Cause: We identified that a recent deployment that introduced an change to a backend service output configuration, which was causing requests to throttle resulting in data failures.
  • Incident Timeline: 2 Hours & 07 minutes - 08/26, 06:15 UTC through 08/26, 08:22 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.


Initial Update: Thursday, 26 August 2021 07:10 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience intermittent data gaps and incorrect alert activation in West Europe region. 
  • Work Around: None
  • Next Update: Before 08/26 09:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.

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