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Final Update: Monday, 12 August 2019 14:49 UTC

We've confirmed that all systems are back to normal with no customer impact as of 08/12, 14:30 UTC. Our logs show the incident started on 08/09, 23:30 UTC and that during the 2 days 15 hours that it took to resolve the issue some of customers using Solution targeting feature in West Europe, East Japan, West Central US and South East Asia experienced incorrect updates and intermittent data gap with respect to solution specific data.
  • Root Cause: The failure was due to an issue in one of dependent service.
  • Incident Timeline:  2 Days & 15 hours  - 08/09, 23:30 UTC through 08/12, 14:30 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.

-Monish

Initial Update: Monday, 12 August 2019 13:15 UTC

We are aware of issues within Log Analytics and are actively investigating. Some customers using solution targeting feature in the West Europe, East Japan, South East Asia and West Central US region may experience intermittent data gap with respect to solution specific data.
  • Next Update: Before 08/12 16:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.
-Monish