Experiencing Latency and Data Loss issue for Application Insights - 09/09 - Resolved
Published Sep 09 2021 11:12 AM 1,327 Views
Final Update: Thursday, 09 September 2021 20:45 UTC

We've confirmed that all systems are back to normal with no customer impact as of 9/9, 20:30 UTC. Our logs show the incident started on 9/9, 17:32 UTC and that during the time it took to resolve the issue customers may have experienced data latency, data gaps and incorrect alert activation.
  • Root Cause: The failure was due to a storage issue caused by a configuration change.
  • Incident Timeline: 2 Hours & 58 minutes - 9/9, 17:32 UTC through 9/9, 17:32 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.


Initial Update: Thursday, 09 September 2021 18:08 UTC

Application Insights customers in WestUs2, EastUS, East Australia, West Europe starting 17:32 UTC  may have experienced intermittent data latency, data gaps and incorrect alert activation 
  • Work Around: none
  • Next Update: Before 09/09 21:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.

Version history
Last update:
‎Sep 09 2021 01:49 PM
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