Final Update: Wednesday, 27 February 2019 22:18 UTC
We've confirmed that all systems are back to normal with no customer impact as of 02/27, 22:18 UTC. Our logs show the incident started on 02/27, 12:30 UTC and that during the ~9hr 35m hours that it took to resolve the issue most of the USGov customers would have experienced Data Access issues in Azure Log analytics.
- Root Cause: The failure was due to one of our internal services impacted due to the Network outage happened in Fairfax this morning.
- Incident Timeline: 9 Hours & 35 minutes - 02/27, 12:30 UTC through 02/27, 22:05 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
-Vishal