I have following Wix File that is supposed to install the contents in C:\SampleProgram . The generated msi is supposed to be installed as msiexec /i installer.msi IPADDRESS="1.1.1.1". The parameter IPADDRESS is fetched by Custom Action that will make a config file as below in the folder where program installs itself. ------------------------------------------------------------------------------ Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users