So when using Wix as an installer, if you want to install a virtual directory under the default website of IIS, you must specify the host header and the port, if they are different then the default values.

In my case some users have changed the header and port , and thus WIX fails to install my application.

I have yet to find a way for Wix to retrieve this information or set a wildcard(wildcards dont seem to work, only for the ip address)

Sooo I found a way to get this information in Vb.net using a custom action in WIX. However how do I, if even possible pass a value from a vb.net module back to the wix installer ><.

Heres my vb.net code..

Dim entry As DirectoryEntry = New DirectoryEntry("IIS://localhost/w3svc/1")
Dim pvc As PropertyValueCollection = entry.Properties("ServerBindings")

For Each value As Object In pvc
Dim bits() As String = value.ToString().Split(":")

Dim IPAddress = bits(0)
Dim TCPIPPort = bits(1)
Dim HostHeader= bits(2)

Next

I've not needed to do this before, but you might be able to pull up the info you need with the Deployment Tools Foundation. A good starting point would be http://blog.deploymentengineering.com/2 ... ustom.html and http://blogs.msdn.com/jasongin/archive/ ... oject.aspx

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As always you are the man. This looks very do able for my code.