Hi I have solved the problem by sending XmlNode instead of XMLDocument as parameter to function From client side i am sending objXmlDoument.DocumentElement to ws function Plz check it in your asp.net and php I think it ll also help you

Thanx Ben First first i think it is timeout prob and i check it by changing the timeout property. But it was the machine problem. It was running fine on other machines Thanx for your kind response