When installing Loytec NIC software the USB driver installation fails.
Installing USB Drivers Failed
LOYTEC NIC Driver Installer
Error Installing USB Drivers: Could not pre-install Drivers
Windows Server 2003 setup on a domain.
The admin rights of the user is causing driver installation failure
Even though you are logged on as a domain administrator the installation process fails at the USB driver stage.
If you run the installation process by right mouse click on the exe file and then select run as. Then select the local administrator account the USB drivers will be installed correctly.
Here are the screen captures of this process