https://www.infopathdev.com:443/forums/40.aspxFor browser form specific questionsenCommunityServer 2007 SP3 (Build: 31118.962)https://www.infopathdev.com:443/forums/thread/51149.aspxFri, 29 Jan 2010 14:18:37 GMT033a2e2d-04e2-4a9d-be01-a4634161eefd:51149maxlisi0https://www.infopathdev.com:443/forums/thread/51149.aspxhttps://www.infopathdev.com:443/forums/commentrss.aspx?SectionID=40&PostID=51149<p>&nbsp;Hi all,<br /><br />I&#39;m developing an infopath form that has a dropdown where I configured a call to a WCF service using the dropdown rules.<br />In my environment there aren&#39;t problems, but in the production environment the first call to WCF service fails, from the second all works fine.<br />The form is rendered in the web in a sharepoint form library.<br />The error tells only that there was an error during retrieving data.<br />I added a log to WCF service at the start and the end of the method that the dropdown calls, but there aren&#39;t errors and the mothod is executed from the beginning to the end.<br />I increased the timeout in sharepoint central administration under Configure InfoPath Forms Services (Default data connection timeout and Maximum data connection timeout).<br />Any ideas?<br />Thanks for help!<br /><br />Massimo</p>