Final Update: Thursday, 25 February 2021 19:55 UTC
We've confirmed that all systems are back to normal with no customer impact as of 2/25, 18:40 UTC. Our logs show the incident started on 2/15 and that during the duration of ~10 days that it took to resolve the issue some customers experienced issues seeing performance data in Azure monitor when Azure mode is selected and 5xx errors while viewing performance data on browser.
- Root Cause: The failure was due to one of the back end services turning unhealthy after a deployment.
- Incident Timeline: 2/15 through 2/25, 18:40 UTC
We understand that customers rely on Azure monitor for VM's as a critical service and apologize for any impact this incident caused.
-Anupama