I create WCF service library and i test that working fine on WCF Test client(default) . when i host the WCF service in winodws service that time i got the error. I am using windows XP sp3, .Net 3.5 and Visual Studio 2008. i got error.

Error opening host : HTTP could not register URL "http://+:8731/WCFServerDLL/Service1/." Your process does not have access rights to this namespace (see "http://go.microsoft.co m/fwlink/?LinkId=70353"...