Experiencing Data Latency issue in Log Analytics in East US region - 12/30 - Resolved

Final Update: Monday, 30 December 2019 04:10 UTC

We've confirmed that all systems are back to normal with no customer impact as of 12/30, 04:04 UTC. Our logs show the incident started on 12/30, 00:28 UTC and that during the 3 hours and 36 minutes that it took to resolve the issue customers in East US region might have experienced Alerting failure or Delayed alerts .

• Root Cause: The failure was due to an issue in one of the dependent services.
• Incident Timeline: 3 Hours & 36 minutes - 12/30, 00:28 UTC through 12/30, 04:04 UTC

We understand that customers rely on Log Analytics as a critical service and apologize for any impact this incident caused.

-Madhuri