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Final Update: Thursday, 18 March 2021 05:25 UTC

We’ve confirmed that all systems are back to normal with no customer impact as of 03/18, 03:36 UTC. Our logs show the incident started on 03/17, 21:05 UTC and that during the 6 hours 31 minutes that it took to resolve the issue some customers may have experienced late arriving logs data, and missed or misfired Log Search Alerts in East US and West Europe regions..
  • Root Cause: We determined that there was a slow down in the backend service, preventing the requests from completing.
  • Incident Timeline: 6 Hours & 31 minutes – 03/17, 21:05 UTC through 03/18 03:36 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Madhav

Brought to you by Dr. Ware, Microsoft Office 365 Silver Partner, Charleston SC.