Preliminary root cause: Microsoft Support Engineers have determined that a recent backend service migration event took place, causing intermittent periods of time where service management requests failed.
Mitigated: Engineers determined that the issue was self-healed by the Azure platform after the migration event completed.
Identified:
As part of cloud infrastructure monitoring activities, Sitecore Cloud Operations team identified an event which we would like to bring to your attention.
Microsoft have identified issues while performing service management operations such as site create, delete and move resources on App Service (Web, Mobile and API Apps) applications, starting at 19 Mar 2020 22:30 UTC. Autoscaling and loading site metrics may also be impacted. Microsoft Support Engineers are actively investigating the issue.
Below is the reference link for any more information/updates
https://app.azure.com/h/D_61-H90/945920