Hi,

Are your pages deployed on an external web server (ie not in Lightstreamer internal web server)?
Which kind of structure has your application (frames-single frame-iframes)?
Please take a look to these threads:
http://www.lightstreamer.com/vb/show...nal+deployment
http://www.lightstreamer.com/vb/show...nal+deployment

Let me know if that not helps.