msiexec /i "EpsonScan2.msi" /quiet ADDLOCAL=ALL INSTALLDIR="C:\Program Files\Epson\Scan2" Epson provides a separate utility called EpsonNet Config and Epson Deployment Tool for enterprise environments. While not strictly an "epson scan 2 silent install" tool, it can push the driver alongside network settings.
:: Check exit code if %errorLevel% == 0 ( echo SUCCESS: Epson Scan 2 installed. >> %LOG_PATH% ) else ( echo FAILURE: Installer returned error %errorLevel%. Check %LOG_PATH% >> %LOG_PATH% ) epson scan 2 silent install
:: Pre-check: Remove any conflicting Epson Scan (legacy) silently msiexec /x LegacyEpsonGUID /quiet /norestart >> %LOG_PATH% 2>&1 msiexec /i "EpsonScan2