Final Update: Monday, 24 June 2019 05:04 UTC
We've confirmed that all systems are back to normal with no customer impact as of 6/24, 04:54 UTC. Our logs show the incident started on 6/23, 22:50 UTC and that during the 6 hours and 4 minutes that it took to resolve the issue 2,588 customers experienced an inability to query their Log Analytics data and possible alert malfunctions.
- Root Cause: The failure was due to a configuration change on the backend.
- Incident Timeline: 6 Hours & 4 minutes - 6/23, 22:50 UTC through 6/24, 04:54 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
-Jeff