We've confirmed that all systems are back to normal with no customer impact as of 04/14, 02:41 UTC. Our logs show the incident started on 04/14, 02:20 UTC and that during the 21 minutes that it took to resolve the issue up to 7% of customers may have experienced failed queries in the Analytics portal and the Application Insights blades in the Microsoft Azure Portal.
- Root Cause: The failure was due to a momentary problem connecting to a back-end storage system.
- Lessons Learned: We are investigating options for increased resiliency to prevent a reoccurrence in the future.
- Incident Timeline: 21 minutes - 04/14, 02:20 UTC through 04/14, 02:41 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
We are aware of issues within Application Insights and are actively investigating. Some customers may experience Data Access Issue in Azure Portal. The following data types are affected: Customer Event,Exception,Metric,Page Load,Page View,Performance Counter,Request,Trace.
- Work Around:
- Next Update: Before 04/14 05:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.