The Application Server component enables the execution of resource-intensive tasks on a server other than the Web server, and thus can be used to limit database and file system access to a server behind a firewall (when the Web server is in front of the firewall).
After installing the Application Server component, you must specify the Windows account under which the application server DCOM objects run. The Windows account must have full control permission on the FDM application folders that reside on the data server and rights to the target system.
To configure application servers: