FIX: The host instance stops when the HTTP send port times out in BizTalk Server

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Symptoms

When a BizTalk Server HTTP send port times out, the host instance in which the send port is running stops. When this problem occurs, error messages that resemble the following may be logged in the Application event log on the server:

Log Name: Application
Source: .NET Runtime
Event ID: 1026
Description:
Application: BTSNTSvc.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.InvalidOperationException
Stack:
at Microsoft.BizTalk.HttpTransport.HttpAsyncTransmitter.FireTransmitComplete(System.Exception)
at Microsoft.BizTalk.HttpTransport.HttpAsyncTransmitter.OnWriteComplete(System.IAsyncResult)
at System.Net.LazyAsyncResult.Complete(IntPtr) at System.Net.LazyAsyncResult.ProtectedInvokeCallback(System.Object, IntPtr)
at System.Net.ConnectStream.ProcessWriteCallback(System.IAsyncResult, System.Net.LazyAsyncResult)
at System.Net.ConnectStream.WriteCallback(System.IAsyncResult)
at System.Net.LazyAsyncResult.Complete(IntPtr)
at System.Net.ContextAwareResult.CompleteCallback(System.Object)
at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
at System.Net.ContextAwareResult.Complete(IntPtr) at System.Net.LazyAsyncResult.ProtectedInvokeCallback(System.Object, IntPtr)
at System.Net.Sockets.BaseOverlappedAsyncResult.CompletionPortCallback(UInt32, UInt32, System.Threading.NativeOverlapped*)
at System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32, UInt32, System.Threading.NativeOverlapped*)

Log Name: Application
Source: Application Error
Event ID: 1000
Description:
Faulting application name: BTSNTSvc.exe, version: 3.11.158.0, time stamp: 0x538aea40
Faulting module name: KERNELBASE.dll, version: 6.2.9200.17637, time stamp: 0x5697fdbe
Exception code: 0xe0434352
Fault offset: 0x00010192
Faulting process id: 0x2c18
Faulting application start time: 0x01d1a544c0a2cd2a
Faulting application path: C:\Program Files (x86)\Microsoft BizTalk Server 2013 R2\BTSNTSvc.exe
Faulting module path: C:\Windows\SYSTEM32\KERNELBASE.dll
Report Id: 0b5ba136-1168-11e6-943e-005056b26aca
Faulting package full name:
Faulting package-relative application ID

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