Print security on IIS6.0

[waxime]

Hello
i create a web application and i want to send email with some pdf
is use IIS6.0 with asp.net framework 3.5

my printsetting
---------------------
Dim myobject As New Bullzip.PDFPrinterSettings
myobject.SetValue("output", getFile)
With ...
myobject.SetValue("title", .NomEtablissement & " (" & .SiteInternet & ")")
End With

myobject.SetValue("author", "Softicket Inc (http://www.Softicket.net)")
myobject.SetValue("keywords", _Item.getNom(langue) & " (" & _Item.getDebut.ToString("yyyy-MM-dd") & ") " & _Item.getNomPrix(langue))

myobject.SetValue("showsettings", "never")
myobject.SetValue("showpdf", "no")
myobject.SetValue("ConfirmOverwrite", "no")

myobject.WriteSettings(True) 'writes the settings in a runonce.ini that it immediately deleted after being used.
------------

that work locally
but in server,
i give all access at document and setting/default user.windows/bullzip/pdf printer
runnonce is writing correctly by bullzip :-)

i give all access at bullzip printer

i give all access at "getFile()" directory
but pdf is never create ????

somebody can help ???
miss some directory security ???