Experiencing Data Latency issue in Azure Portal for Many Data Types - 02/03 - Resolved
Published Feb 03 2020 04:01 PM 898 Views
Final Update: Tuesday, 04 February 2020 01:54 UTC

We've confirmed that all systems are back to normal with no customer impact as of 02/04, 01:40 UTC. Our logs show the incident started on 02/03, 21:31 UTC and that during the 4 hours 9 minutes hours that it took to resolve the issue, some  customers in West US, WestUS2, East US and South Central US experienced Data Latency, data gaps and incorrect alert activation.
  • Root Cause: The failure was due to one of the dependent service.
  • Incident Timeline: 4 Hours & 9 minutes - 02/03, 21:31 UTC through 02/04, 01:40 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.


Initial Update: Monday, 03 February 2020 23:53 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers in West US 2 and East US may experience Data Latency,data gaps and incorrect alert activation.
  • Work Around:
  • Next Update: Before 02/04 04:00 UTC
We are working hard to resolve this issue and apologize for any inconvenience.

Version history
Last update:
‎Feb 03 2020 06:01 PM
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