Experiencing Data Latency issue in Application Insights- 01/21 - Resolved

Published Jan 21 2022 02:52 AM 951 Views

Final Update: Friday, 21 January 2022 12:30 UTC

We've confirmed that all systems are back to normal with no customer impact as of 01/21, 12:15 UTC. Our logs show the incident started on 01/21, 08:00 UTC and that during the 4 hours & 15 minutes that it took to resolve the issue, some customers using Application Insights in West Central US may have experienced data latency and misfired alerts.

  • Root Cause: The failure was due to an issue with backend dependency service.
  • Incident Timeline: 4 hours & 15 minutes - 01/21, 08:00 UTC through 01/21, 12:15 UTC

We understand that customers rely on Application Insights as a critical service and apologize for any impact this inciden.t caused.


Initial Update: Friday, 21 January 2022 10:39 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience  data latency and misfired alerts in West Central US region.
  • Work Around: None
  • Next Update: Before 01/21 14:00 UTC
We are working hard to resolve this issue and apologize for any inconvenience.


Version history
Last update:
‎Jan 21 2022 04:57 AM
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