Deployment of SL project

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IIS7

IIS

Silverlight

I deployed a SL project using the procedure below referring to http://support.esri.com/en/knowledgebase/techarticles/detail/39169[^]:

1) Create a new folder called 'AssetView' under the wwwroot of the production server.
2) Copy the 'ClientBin' folder and other needed files (silight.js, .html, etc.), and then paste them under the \AssetView\ folder.
3) In IIS convert the AssetView to Application.
4) Right-click the AssetView > Manage Application > Browse and then view the application on a browser at http://localhost/AssetView/. Everything is fine.
5) Change localhost to the IP address, the page displays. However, when I implemented a simple query, multiple error messages pop out like that: System.SecurityException, System.Net.Browser.BrowserHttpWebRequest.InternalEndGetResponse..., etc.

I guess I missed some settings somewhere. Could you help with your experience? Thanks.