The remote name could not be resolved

Hi,

I have developed a webservice in .NET 2.0., from my web service i am
calling a web service of client which is also in .NET2.0(it's on SSL).
but last few days i am getting an error "The remote name could not be resolved: 'www.AAA.com'" whenever i am
calling a web method. i am calling  method of client web service by
creating object of that web service. Please help me

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