Is the install an MSI or an EXE? ( Or an EXE inside a self extracting EXE? )
The term you are most likely for is "repackaging" and it's not something WiX is really geared for. You'd want something more like InstallShield ( or InstallShield AdminStudio ) with it's Repackager program.
If this is a one time need for you, I could look at it on a contract basis.
Christopher Painter, Author of Deployment Engineering Blog
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From: Gary Zelmanovics <[hidden email]>
To: [hidden email] Sent: Thursday, August 4, 2011 8:08 PM
Subject: [WiX-users] Automate vendor installs
Can Wix be used to automate a vendor-supplied install?
The install is interactive - values are entered and buttons are clicked.
In my favor, all responses are the same for all users.
I want the Wix install to automate all responses, requiring no interaction.