The Authenticated User connects your Backup & Recover application to a client's Dataverse environment. Having a dedicated integration user enhances security, improves audit trails, and avoids API concurrency collisions.
Own leverages the Dataverse WEB API to perform a backup and restore of your Dynamics data.
As a best practice, Own recommends having a dedicated user provisioned specifically for Own. This should be enabled to enhance security and audit log capabilities, as well as assist to avoid API concurrency collisions, and other problems that may occur due to with the same user issues.
For the authentication user to be applicable for backup and recovery in Dynamics, they have to be assigned the System Administrator security role in the destination environment.
Authenticated User = The user that the Own platform uses to connect to the client's Dataverse environment.