If you want to To make sure that the installation wont won't restart tour your computer on completion, a no restart parameter can be added.
v7.X.XXX_reflect_server_setup_x64.exe /passive /l log.txt LICKEY=XX-XXXX-XXXX-XXXX-XXXX-XXXX-XXXXXX /norestart
You can also include or exclude features from Reflect when installing from command line.
Adding any parameters mentioned below to your install script will omit the feature from being installed.
The example below shows a version of the install script that will omit MIG from installing with Reflect: