Experiencing Data Gaps for Exception Data Type – 01/13 – Resolved

Final Update: Wednesday, 13 January 2016 01:22 UTC

From 1/12, 5:25 UTC through 1/12, 7:55 UTC a subset of customers may have experienced up to 10% data loss for these data types:  Exception. This was due to a localized issue in part of our Data Pipeline.
  • Root Cause: Complete root cause is still under investigation. Preliminary investigation points to a compartmentalized issue processing exception data type.
  • Lessons Learned: We are investigating improvements in monitoring and dynamic mitigation options. 
  • Incident Timeline: 2 Hours & 30 minutes -  1/12, 5:25 UTC through 1/12, 7:55 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

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