Final Update: Sunday, 05 September 2021 05:26 UTC
We've confirmed that all systems are back to normal with no customer impact as of 09/05, 04:40 UTC. Our logs show the incident started on 09/03, 20:30 UTC and that during the 32 hours and 10 minutes that it took to resolve the issue some customers may have experienced intermittent data latency and alert activation.
- Root Cause: The failure was due to a backend dependency which became unhealthy.
- Incident Timeline: 32 Hours & 10 minutes - 09/03, 20:30 UTC through 09/05, 04:40 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
-Soumyajeet