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Experiencing Data Gaps issue in Azure Portal for Many Data Types - 02/17 - Resolved

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Azure-Monitor-Team
Former Employee
Feb 17, 2022
Final Update: Thursday, 17 February 2022 14:26 UTC

We've confirmed that all systems are back to normal with no customer impact as of 02/17, 12:44 UTC. Our logs show the incident started on 02/17, 12:11 and that during the hours that it took to resolve the issue, customers with Application Insights components in West US2 region may have experienced intermittent data gaps and incorrect alert activation.
  • Root Cause: We determined that one of our backend service became unhealthy. This resulted in the dependent service to be unavailable.
  • Incident Timeline: 33 minutes - 02/17, 12:11 UTC through 02/17, 12:44 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Surya


Initial Update: Thursday, 17 February 2022 13:20 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience delayed or missed Log Search Alerts and Data Gaps.
  • Work Around: none
  • Next Update: Before 02/17 16:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.

-Surya

Updated Feb 17, 2022
Version 3.0
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