I am trying to use Outlook to parse names and addresses in my web service but I am getting a HTTP 500 Server Internal Error when instantiating an Outlook Application object:

Imports Outlook

    <WebMethod(Description:="Inserts a new lead into the Lead table")> _
        Public Function InsertLead( _
            ByVal SourceID As Integer, _
            ByVal Name As String, _
            ByVal Address As String, _
            ByVal Phone As String, _
            ByVal Email As String) As DsLead

        Dim OutlookApp As New Outlook.Application()

The error occurs at the New Outloook.Application() line. I am at a loss on how to debug this. If anyone has successfully used Outlook in their ASP.NET project, I would love to hear some pointers.