Jake,
Do you know if the WPI is supposed to configure or setup DNN in IIS? Apparently, it did not do the final step when I attempted it. I did specific /wwwroot/myapplication. So I went in and manually added the site or application using IIS 7 Services Manager. Then it returned the error:
The stored procedure 'dbo.GetPortalAliasByPortalID' doesn't exist.
Thanks,
Will