I’m stuck with a problem regarding Duplicati. I have installed the software on multiple Windows Remote Servers as the new back-up program. The problem is, when a user connects to the RDS they get a popup
In your screenshot I see a Duplicati instance listening on poort 8300, so probably every users gets his own Duplicati instance (Default listening port is 8200).
My guess is that there is a shortcut to Duplicati.GUI.TrayIcon.exe in %PROGRAMDATA%\Microsoft\Windows\Start Menu\Programs\StartUp (the common Startup folder in the Start Menu).
Remove the shortcut from this location and install Duplicati as a Windows Service.
It occurs when Duplicati is installed with the start-up option enabled on a Windows Remote Desktop Services server. Each user profile configured on the server will start their own process of Duplicati. Best approach is to disable the start-up option at log-on and configure Duplicati either to run from a admin account (requires the admin account to be logged on all the time) or to run as a service.