Final Update: Wednesday, 07 October 2020 20:09 UTC
We've confirmed that all systems are back to normal with no customer impact as of 10/7, 19:00 UTC. Our logs show the incident started on 10/7, at approximately 18:30 UTC and that during the 30 minutes that it took to resolve the issue most Application Insights and Log Analytics customers experienced outages with various services.
Root Cause: The failure was due to a back-end networking issue that caused problems with a large number of Azure services.
Incident Timeline: 0 Hours & 30 minutes - 10/7, 18:30 UTC through 10/7, 19:00 UTC
We understand that customers rely on Application Insights and Log Analytics as critical services and apologize for any impact this incident caused.