The silent installation steps are applicable only for version 1.2.7 and below.
Open the command prompt with administrative privileges and run the extracted Embedded Reporting Tools setup with the following arguments.
Arguments:
/Install silent /InstallPath:{InstallationPath} /pidkey:{unlock_key} /isdesktopdhortcut:{TRUE or FALSE}/Log "{LogFilePath\filename.log}"
Example:
/Install silent /InstallPath:C:\Program Files (x86)\New\Report /pidkey:@1243453sdffdfvv /isdesktopshortcut:TRUE /Log "C:\Program Files (x86)\New\Install.log"