Index: ps/trunk/source/network/NetClient.cpp
===================================================================
--- ps/trunk/source/network/NetClient.cpp
+++ ps/trunk/source/network/NetClient.cpp
@@ -181,11 +181,11 @@
 
 void CNetClient::DestroyConnection()
 {
-	// Send network messages from the current frame before connection is destroyed.
+	// Attempt to send network messages from the current frame before connection is destroyed.
 	if (m_ClientTurnManager)
 	{
-		m_ClientTurnManager->OnDestroyConnection(); // End sending of commands for scheduled turn.
-		Flush(); // Make sure the messages are sent.
+		m_ClientTurnManager->OnDestroyConnection();
+		Flush();
 	}
 	SAFE_DELETE(m_Session);
 }
Index: ps/trunk/source/network/NetClientTurnManager.cpp
===================================================================
--- ps/trunk/source/network/NetClientTurnManager.cpp
+++ ps/trunk/source/network/NetClientTurnManager.cpp
@@ -95,7 +95,10 @@
 
 void CNetClientTurnManager::OnDestroyConnection()
 {
-	NotifyFinishedOwnCommands(m_CurrentTurn + COMMAND_DELAY);
+	// Attempt to flush messages before leaving.
+	// Notice the sending is not reliable and rarely makes it to the Server.
+	if (m_NetClient.GetCurrState() == NCS_INGAME)
+		NotifyFinishedOwnCommands(m_CurrentTurn + COMMAND_DELAY);
 }
 
 void CNetClientTurnManager::OnSimulationMessage(CSimulationMessage* msg)