Working in Seamless Mode
Seamless mode is a remote desktop feature that allows to display only specified remotely hosted application without forwarding the whole desktop.
Scanner for Remote Desktop works perfect in seamless mode. Please note, in this mode Scanner for Remote Desktop tray icon cannot be displayed by default. To switch between different scanners right-click on the title bar of the application working in seamless mode, go to the Scanner for Remote Desktop item and choose the scanner.
In order to display tray icon, it's needed to publish Scanner for Remote Desktop tray application and then launch it.