ISA Server EE Appendix B: Setup Switches
When you run Setup from a command prompt, you can modify which components are installed, provide required setup information, or repair an installation.To run ISA Server Setup and pass installation parameters
To modify which components are installed during installation, at a command prompt type: PathToISASetup\Setup.exe ADDLOCAL=FeatureToInstall.
To repair an installation, at the command prompt type: PathToISASetup\Setup.exe REINSTALL=ALL
For a full list of parameters and values, see the table in Appendix C: Unattended Setup.