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Final Update: Thursday, 26 September 2019 14:08 UTC

We've confirmed that all systems are back to normal with no customer impact as of 09/26, 13:12 UTC. Our logs show the incident started on 09/26, 08:20 UTC and that during the 5 hours that it took to resolve the issue some of customers experienced Latency and Data loss in West Europe region.
  • Root Cause: The failure was due to issue in the back-end service.
  • Incident Timeline: 5 Hours - 09/26, 08:20 UTC through 09/26, 13:12 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Naresh

Final Update: Thursday, 26 September 2019 13:48 UTC

We've confirmed that all systems are back to normal with no customer impact as of 09/26, 13:12 UTC. Our logs show the incident started on 09/26, 08:20 UTC and that during the 5 hours that it took to resolve the issue some of customers experienced Latency and Data loss in West Europe.
  • Root Cause: The failure was due to failure in the back-end service.
  • Incident Timeline: 5 Hours  - 09/26, 08:20 UTC through 09/26, 13:12 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Naresh

Update: Thursday, 26 September 2019 11:53 UTC

We continue to investigate issues within Application Insights. Root cause is determined to be an issue with backend service. Some customers continue to experience Latency and Data loss in West Europe region. We are working to establish the start time for the issue, initial findings indicate that the problem began at 09/26 ~08:20 UTC. We currently have no estimate for resolution.
  • Work Around: None
  • Next Update: Before 09/26 15:00 UTC
-Naresh

Initial Update: Thursday, 26 September 2019 11:03 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience Latency and Data Loss in West Europe region.
  • Work Around: None
  • Next Update: Before 09/26 14:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.
-Naresh