MSI (s) (90:B4) [15:04:03:816]: Invoking remote custom action. DLL: C:WINDOWSInstallerMSIA2E.tmp, Entrypoint: ConfigureIIsExec
ConfigureIIsExec:  A matching web object in memory was found, but the web object in memory has no associated base
ConfigureIIsExec:  Error 0x80070002: Failed to find Web base
ConfigureIIsExec:  Error 0x80070002: Failed to get base of web: Biostatistics for VirtualDir
ConfigureIIsExec:  Error 0x80070002: failed while processing WebVirtualDirs
MSI (s) (90!E4) [15:04:03:925]: Product: WixForWebApp -- Error 26004. Failed while processing WebVirtualDirs.  (-2147024894         )

Error 26004. Failed while processing WebVirtualDirs.  (-2147024894         )

<Directory Id="TARGETDIR" Name="SourceDir">
  <Directory Id="INETPUB" Name="inetpub">
    <Directory Id="WWWROOT" Name="wwwroot" ComponentGuidGenerationSeed='CA19CA4A-C69B-4CDB-BCBD-6C3C5E9A3EDC'>
      <!-- Directory structure from here up should not change. If it does, GUID seed should change -->
      <Directory Id="BIOSTAT" Name="Biostatistics">
        <Directory Id="INSTALLFOLDER" Name="WebAppForWiX">
        <Component Id="IIS.Component" Guid="D814F88F-6E0C-4365-A411-2F9807522C3D">
          <iis:WebAppPool Id="WebAppPool" Identity="networkService" Name=".Net 4.0 Pool"></iis:WebAppPool>
          <iis:WebVirtualDir Id="VirtualDir" Alias="WebAppForWiX" Directory="INSTALLFOLDER" WebSite="BIOSTAT_SITE">
            <iis:WebDirProperties Id="VirtualDirProps" DefaultDocuments="default.aspx" Index="yes" LogVisits="yes" Read="yes" Script="yes" AnonymousAccess="yes" WindowsAuthentication="yes"/>
            <iis:WebApplication Id="Application" Name="WebAppForWiX" WebAppPool="WebAppPool">
            </iis:WebApplication>
          </iis:WebVirtualDir>
          <CreateFolder />
        </Component>
        </Directory>
      </Directory>
    </Directory>
  </Directory>
</Directory>

<!-- This is the web site we want to install under -->
<iis:WebSite Id='BIOSTAT_SITE' Description='Biostatistics' Directory='INSTALLFOLDER'>
  <iis:WebAddress Id="AllUnassigned" IP="Default" Port="80" Header="<dev web server>" />
</iis:WebSite>