Event Type: Error
Event ID: 5754
A message sent to adapter "HTTP" on send port "<SendPortName>" with URI "<URL>" is suspended.
Error details: The HTTP send adapter cannot complete the transmission within the specified time.
This error occurred for Solicit-response send port when the HTTP adapter does not receive the response within the time specified for Request timeout. The default value for Request timeout is 0 and in this condition the BizTalk Messaging Engine calculates the time-out based on the request message size.
Set the value of Request timeout for send handler created for HTTP adapter then this change will affect all the send ports. or
You also have the option to set the value of Request timeout for a particular send port in HTTP Transport Properties.