WCF REST 4.0 ,not accessible

I have created a WCF REST web service with no SVC and successfully deployed on IIS7.5 ,Win2008 server box . I can access the service URL http://172.29.132.209:9999/TestService/CheckGet/sdfsds/response.xml from the Server machine ..using both ServerName ,Server Ip or localhost .It works . But w开发者_Python百科hen i try this URL on client machine , it does not work I.E says "Internet Explorer cannot display the webpage".

What could be the potential isssue .?pls. help

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Could be a number of things. Try it in a proper browser like firefox then stick fiddler up and see what the traffic looks like.