 <p>It's in the documentation: <a href="http://msdn.microsoft.com/en-us/library/microsoft.web.services2.soapwebrequest.timeout.aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/microsoft.web.services2.soapwebrequest.timeout.aspx</a> .</p> <p>In short, use the SoapWebRequest's Timeout property.</p>