An Application Server allow you to provide redundancy or additional load capacity for console connections, or to create isolated sandboxes in which a console user manages an environment. They have their own credentials, user profiles, and security roles. For example, you can add an additional Application Server to manage separate Patch Manager Administrator Console connections.
Management Servers allow you to create additional management groups. Because each Patch Manager server uses its own Microsoft SQL Server instance, you can create multiple management groups that segregate Patch Manager data into multiple data stores. For example, you can manage isolated segments that store sensitive and confidential data or create reports at a granular level, such as by department or site.
You can use Application Server or Management Server roles (or a combination of both roles) to: