Experiencing Data Gaps issue in Application Insights – 08/04 – Resolved

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Final Update: Wednesday, 04 August 2021 17:52 UTC

We've confirmed that all systems are back to normal with no customer impact as of 8/4, 16:49 UTC. Our logs show the incident started on 8/4, 15:24 UTC and that during the 1 hour and 25 minutes that it took to resolve the issue some customers experienced intermittent metric data gaps and incorrect metric alert activation.
  • Root Cause: We do not currently know the root cause of the issue.
  • Incident Timeline: 1 Hours & 25 minutes - 8/4, 15:24 UTC through 8/4, 16:49 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.


Initial Update: Wednesday, 04 August 2021 17:07 UTC

We are aware of issues within Application Insights data ingestion in the Korea Central and India West regions and are actively investigating. The issues began at 16:24 UTC. Some customers may experience delayed or missed Metric Alerts and metric data gaps.
  • Next Update: Before 08/04 18:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.

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