We've confirmed that all systems are back to normal with no customer impact as of 19-Oct, 21:57 UTC. Customers accessing real-time analytics via https://rt.applicationinsights.microsoft.com will no longer observe certificate errors.
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
Initial Update: Wednesday, 19 October 2016 21:39 UTC
We are aware of issues within Application Insights Real-time Monitoring and are actively investigating. When attempting to access
https://rt.applicationinsights.microsoft.com, customers will observe a certificate error. ETA for resolution is 30 minutes.
- Work Around: None.
- Next Update: Before 10/19 23:00 UTC
We are working hard to resolve this issue and apologize for any inconvenience.