浏览器内部的Silverlight控件问题

Question

我控制访问我的扫描仪并进行扫描，它在开发和localhost上运行良好但是当通过Intranet访问时，它在尝试创建对象时出错并且在使用getobject时出现同样的问题 错误是system.notsupportedexception [comAutomation_featureBlocked]

             using (dynamic CommonDialog = AutomationFactory.CreateObject("WIA.CommonDialog"))
        {
            dynamic imageFile = CommonDialog.ShowAcquireImage(
                          (int)WiaDeviceType.ScannerDeviceType,
                          (int)WiaImageIntent.ColorIntent,
                          (int)WiaImageBias.MaximizeQuality,
                          FormatID.wiaFormatJPEG, false, true, false);
            if (imageFile != null)
            {

                string filePath = string.Format(Environment.GetFolderPath(Environment.SpecialFolder.InternetCache)+"{0}.jpg", Guid.NewGuid());

               // string filePath = string.Format("C:\\tempScan\\{0}.jpg", Guid.NewGuid());
                imageFile.SaveFile(filePath);
                FileInfo info = new FileInfo(filePath);
                UploadFile(filePath, info.OpenRead());
               // MessageBox.Show(string.Format("Saved {0}", filePath));

            }


        }