Experiencing Alerting failure issue in Azure Portal for Many Data Types - 07/23 - Resolved

[Azure-Monitor-Team]

First published on MSDN on Jul 23, 2018

Final Update: Monday, 23 July 2018 23:38 UTC

We've confirmed that all systems are back to normal with no customer impact as of 07/23, 23:17 UTC. Our logs show the incident started on 07/23, 20:15 UTC and that during the 3 hours that it took to resolve the issue all  customers may have experienced Webtest and Metrics Alerting issues due to this incident.

• Root Cause: The failure was due to configuration changes made to the networking.
• Lessons Learned: Fix has been deployed.  We do not expect a recurrence of this issue.
• Incident Timeline: 3 Hours & 2 minutes - 07/23/, 20:15 UTC through 07/23, 23:17 UTC

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

-Chandar Raghavan

Initial Update: Monday, 23 July 2018 21:36 UTC

We are aware of failure to alert you based on your Web tests with Application Insights and are actively investigating. Some customers may experience Alerting failure.

• Work Around: None
• Next Update: Before 07/23 23:00 UTC

We are working hard to resolve this issue and apologize for any inconvenience.
-Chandar Raghavan