Experiencing Data Gaps for Availability Data Type – 11/07 – Resolved


Final Update: Saturday, 07 November 2015 22:07 UTC

We’ve confirmed that all systems are back to normal with no customer impact as of 11/07, 20:55 UTC. Our logs show the incident started around 11/07, 20:06 UTC and that during the 50 minutes that it took to resolve the issue some customers may have experienced nearly 50% loss of availability data. This may have contributed to alerts not getting raised for some applications.
  • Root Cause: We found one of the computer instances was running low on resources  which may have contributed to the issue. Detailed root cause is not known as yet.


  • Incident Timeline: 50 minutes –  11/07, 20:06 UTC through 11/07, 20:55 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


Initial Update: Saturday, 07 November 2015 20:58 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience Data Gaps for availability data. Also, they may not receive the alerts configured for their applications. 
. The following data types are affected: Availability.
  • Work Around: none
  • Next Update: Before 11/07 23:00 UTC

We are working hard to resolve this issue and apologize for any inconvenience.
-Application Insights Service Delivery Team


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