avoid timeout error in biztalk orchestration for webservices

in orchestration

ReqMsg(SOAP.ClientConnectionTimeout)=600000 // for 10 minutes

web.config or machine.config

<httpRuntime executionTimeout="1200"></httpRuntime>



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When using the MessageAssignment orchestration shape, if the message you are using has not been instantiated by a map or a port then you must manually instantiate the message:

ReqMsg = new System.Xml.XmlDocument();
//Now that the message has been instantiated it can be used.
ReqMsg(SOAP.ClientConnectionTimeout)=600000

for send port retry count set to 0

Ref: http://kbalertz.com/952567/requests-requests-BizTalk-Server-BizTalk-Server.aspx
       http://msdn.microsoft.com/en-us/library/dd297484%28BTS.10%29.aspx
       http://winterdom.com/2005/07/webservicecalltimeoutinbiztalk