Final Update: Saturday, 22 February 2020 05:57 UTC
We've confirmed that all systems are back to normal with no customer impact as of 02/22, 00:45 UTC. Our logs show the incident started on 02/21, 22:00 UTC and that during the 02 hours and 45 minutes that it took to resolve the issue some customers may have experienced intermittent metric data gaps and incorrect metric alert activation in Switzerland North.
Root Cause: The failure was due to a networking issue.
Incident Timeline: 02 Hours & 45 minutes - 02/21, 22:00 UTC through 02/22, 00:45 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.