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Final Update: Sunday, 26 April 2020 15:09 UTC

We've confirmed that all systems are back to normal with no customer impact as of 04/26, 14:10 UTC. Our logs show the incident started on 04/26, 12:35 UTC and that during the 1 hours and 35 minutes that it took to resolve the issue some customers may have experienced ingestion delays or alerting failure issues in Central US region. 
  • Root Cause: The failure was due to an issue in one of our dependent services.
  • Incident Timeline: 1 Hours & 35 minutes - 04/26, 12:35 UTC through 04/26, 14:10 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Madhuri