Then it looks like you get to write some code after all. Something like this, perhaps (or you could adapt the API code here if you prefer):
Dim stream As NotesStream
Set stream = session.CreateStream
stream.WriteText {<database
xmlns='http://www.lotus.com/dxl'
version='6'
templatename='MyTemplateName'
fromtemplate=''>
</database>}
Set db = New NotesDatabase("MyServer", "MyTemplate.ntf")
Dim mp As NotesDXLImporter
Set mp = session.CreateDXLImporter(stream, db)
With mp
.ReplaceDbProperties = True
.Process
End With