Experiencing Data Access Issue in Azure Portal – 6/16 – Resolved

Final Update: Tuesday, 6/16/2015 19:37 UTC

We have confirmed that all systems are back to normal with no customer impact as of 6/16, 19:33 UTC. Our logs show the incident started on 6/16, 18:40 UTC and that during the 43 minutes that it took to resolve the issue a very small number of customers may have experienced failures or incomplete data when querying for Application Insights data.

Root Cause: The failure was due to a transient issue with several back-end nodes which caused some data indexes to be unavailable for the duration of the issue.
Lessons Learned: We have gathered all of the applicable logs and telemetry and will be working with our partner teams to understand the root cause of the node failures.
Incident Timeline: 43 minutes - 6/16, 18:40 UTC through 6/16, 19:33 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

Initial Update: Tuesday, 6/16/2015 19:26 UTC

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

Work Around: none
Next Update: Before 21:00 UTC

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

-Application Insights Service Delivery Team


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