Final Update: Friday, 05 November 2021 10:21 UTC
We've confirmed that all systems are back to normal with no customer impact as of 11/05, 09:15 UTC. Our logs show the incident started on 11/05, 8:00 UTC and that during the 1 hour and 15 minutes that it took to resolve the issue. Customer using Azure Log Analytics, Log Search and/or Sentinel in West Central US who may have experienced intermittent query failures and delayed or missed alerts.
We've confirmed that all systems are back to normal with no customer impact as of 11/05, 09:15 UTC. Our logs show the incident started on 11/05, 8:00 UTC and that during the 1 hour and 15 minutes that it took to resolve the issue. Customer using Azure Log Analytics, Log Search and/or Sentinel in West Central US who may have experienced intermittent query failures and delayed or missed alerts.
- Root Cause: The failure was due to some instances of a backend service became unhealthy, causing the aforementioned delays and preventing requests from completing.
- Incident Timeline: 1 Hour & 15 minutes - 11/05, 08:00 UTC through 11/05, 09:15 UTC
-Mohsin Inamdar
