Experiencing Data Access Issue in Azure Portal – 6/11 – Resolved

Final Update: Thursday, 6/11/2015 23:27 UTC

We’ve confirmed that all systems are back to normal with no customer impact as of 6/11, 21:15 UTC. Our logs show the incident started on 6/11, 13:00 UTC and it took ~8 hours to resolve the issue that 10 % of customers experienced approx 10% query failures. 

Lessons Learned: We don't have a confirmed root cause of this issue but we suspect that this might has been caused by one of the underlying service client which was running on older version . This client has been upgraded to newer version which has bug fixes related to connection timeouts in query system.

Incident Timeline: 8 Hours & 15 minutes - 6/11, 13:00: UTC through 6/11, 21:15 UTC

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

-Application Insights Service Delivery Team

Update: Thursday, 6/11/2015 20:05 UTC

Root cause is still under investigation. To address this issue we have recycled the service that helped in decreasing failure rate. Some customers may experience  errors related to data access . We provide an update as we learn.

Next Update: Before 22:00 UTC

-Application Insights Service Delivery Team

Initial Update: Thursday, 6/11/2015 17:41 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience errors while querying data . The following data types are affected: Availability, Customer Event, Dependency, Exception, Metric, Page Load, Page View, Performance Counter, Request, Trace.

Work Around: None
Next Update: Before 20:00 UTC

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

-Application Insights Service Delivery Team


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