You can enable and configure proxy server on the Remote > Proxy tab in the Options window. You only need to configure the proxy if you need to use it for accessing the Internet or any other network. In this case, the proxy settings are relevant for all network task you can do with Nero BackItUp such as using online storage, FTP server, network connections, and e-mail notifications. 
The following setting options are available:
Check box
Enable proxy server
Activates the proxy server connection information which are now used by Nero BackItUp. 
Option button
Use system settings
Uses the proxy settings.
This is only possible if you have configured and stored proxy settings on your system.
Option button
Use local settings
Uses the local proxy settings and allows you to enter them in the input fields below.

 

 
 
The correct settings for the proxy connection need to be provided by your system administrator or internet provider.
 

 

 
 
The created proxy connection is saved when creating a bootable CD/DVD and applied to the respective Nero BackItUp ImageTool options.
 

Remote Proxy