diff --git a/docs/net_protocol.txt b/docs/net_protocol.txt
index e2bfa138..2060f3e3 100644
--- a/docs/net_protocol.txt
+++ b/docs/net_protocol.txt
@@ -385,6 +385,7 @@ Error Reason:
 	0x0006 - Join Game - Invalid Player Name
 	0xFF01 - General Error - Invalid packet
 	0xFF02 - General Error - Invalid state
+	0xFF03 - General Error - Kicked from the server
 	0xFFFF - Other reason
 
 
diff --git a/src/gui/qt/mainwindow/log/log.cpp b/src/gui/qt/mainwindow/log/log.cpp
index a05fea17..1e67c840 100644
--- a/src/gui/qt/mainwindow/log/log.cpp
+++ b/src/gui/qt/mainwindow/log/log.cpp
@@ -444,8 +444,6 @@ void Log::logFlipHoleCardsMsg(QString playerName, int card1, int card2, int card
 
 void Log::logPlayerLeftMsg(QString playerName) {
 
-	HandInterface *currentHand = myW->getSession().getCurrentGame()->getCurrentHand();
-	
 	myW->textBrowser_Log->append( "<i>"+playerName+" has left the game!</i>");
 	
 	if(myConfig->readConfigInt("LogOnOff")) {
diff --git a/src/gui/qt/mainwindow/mainwindowimpl.cpp b/src/gui/qt/mainwindow/mainwindowimpl.cpp
index d4696ee1..38594f1a 100755
--- a/src/gui/qt/mainwindow/mainwindowimpl.cpp
+++ b/src/gui/qt/mainwindow/mainwindowimpl.cpp
@@ -720,6 +720,7 @@ void mainWindowImpl::callCreateNetworkGameDialog() {
 // 		gameData.guiSpeed = myCreateNetworkGameDialog->spinBox_gameSpeed->value();
 		gameData.guiSpeed = 4;
 
+		myStartNetworkGameDialog->setSession(&myServerGuiInterface->getSession());
 		myStartNetworkGameDialog->treeWidget->clear();
 
 		myServerGuiInterface->getSession().startNetworkServer(gameData);
@@ -2482,6 +2483,11 @@ void mainWindowImpl::networkError(int errorID, int osErrorID) {
 				tr("The server referred to an unknown player. Aborting."),
 				QMessageBox::Close); }
 		break;
+		case ERR_NET_PLAYER_KICKED:
+			{ QMessageBox::warning(this, tr("Network Error"),
+				tr("You were kicked from the server."),
+				QMessageBox::Close); }
+		break;
 		default:  { QMessageBox::warning(this, tr("Network Error"),
 				tr("An internal error occured."),
 				QMessageBox::Close); }
diff --git a/src/gui/qt/startnetworkgamedialog/startnetworkgamedialogimpl.cpp b/src/gui/qt/startnetworkgamedialog/startnetworkgamedialogimpl.cpp
index 4d671f71..53eeb495 100644
--- a/src/gui/qt/startnetworkgamedialog/startnetworkgamedialogimpl.cpp
+++ b/src/gui/qt/startnetworkgamedialog/startnetworkgamedialogimpl.cpp
@@ -21,12 +21,10 @@
 #include "session.h"
 #include "configfile.h"
 
-startNetworkGameDialogImpl::startNetworkGameDialogImpl(QWidget *parent, ConfigFile *config, Session *session)
-      : QDialog(parent), myConfig(config), mySession(session)
+startNetworkGameDialogImpl::startNetworkGameDialogImpl(QWidget *parent, ConfigFile *config)
+      : QDialog(parent), myConfig(config)
 {
-	assert(mySession);
-
-    setupUi(this);
+	setupUi(this);
 
 	connect( pushButton_cancel, SIGNAL( clicked() ), this, SLOT( cancel() ) );
 	connect( pushButton_startGame, SIGNAL( clicked() ), this, SLOT( startGame() ) );
@@ -81,7 +79,8 @@ void startNetworkGameDialogImpl::kickPlayer() {
 					QMessageBox::Close); }
 		}
 		else {
-	// 		kickplayerFunktion(playerName.toStdString());
+			assert(mySession);
+			mySession->kickPlayer(playerName.toUtf8().constData());
 		}
 	}
 	pushButton_Kick->setEnabled(FALSE);
@@ -94,6 +93,11 @@ void startNetworkGameDialogImpl::checkPlayerQuantity() {
 
 }
 
+void startNetworkGameDialogImpl::setSession(Session *session)
+{
+	mySession = session;
+}
+
 void startNetworkGameDialogImpl::keyPressEvent ( QKeyEvent * event ) {
 
 
diff --git a/src/gui/qt/startnetworkgamedialog/startnetworkgamedialogimpl.h b/src/gui/qt/startnetworkgamedialog/startnetworkgamedialogimpl.h
index a93516e5..956ba630 100644
--- a/src/gui/qt/startnetworkgamedialog/startnetworkgamedialogimpl.h
+++ b/src/gui/qt/startnetworkgamedialog/startnetworkgamedialogimpl.h
@@ -31,7 +31,7 @@ class ConfigFile;
 class startNetworkGameDialogImpl: public QDialog, public Ui::startNetworkGameDialog {
 Q_OBJECT
 public:
-    startNetworkGameDialogImpl(QWidget *parent = 0, ConfigFile *config = 0, Session *session = 0);
+    startNetworkGameDialogImpl(QWidget *parent = 0, ConfigFile *config = 0);
 
 public slots:
 
@@ -43,6 +43,8 @@ public slots:
 	void kickPlayer();
 	void checkPlayerQuantity();
 
+	void setSession(Session *session);
+
 	void keyPressEvent ( QKeyEvent*);
 
 	void setMaxPlayerNumber ( int theValue ) { maxPlayerNumber = theValue; label_maxPlayerNumber->setText(QString::number(theValue,10)); }
diff --git a/src/net/common/clientstate.cpp b/src/net/common/clientstate.cpp
index ac4d7551..85a94637 100644
--- a/src/net/common/clientstate.cpp
+++ b/src/net/common/clientstate.cpp
@@ -379,7 +379,15 @@ AbstractClientStateReceiving::Process(ClientThread &client)
 
 	if (tmpPacket.get())
 	{
-		if (tmpPacket->ToNetPacketChatText())
+		if (tmpPacket->ToNetPacketError())
+		{
+			// Server reported an error.
+			NetPacketError::Data errorData;
+			tmpPacket->ToNetPacketError()->GetData(errorData);
+			// Show the error.
+			throw ClientException(errorData.errorCode, 0);
+		}
+		else if (tmpPacket->ToNetPacketChatText())
 		{
 			// Chat message - display it in the GUI.
 			NetPacketChatText::Data chatData;
@@ -464,14 +472,6 @@ ClientStateWaitSession::InternalProcess(ClientThread &client, boost::shared_ptr<
 		client.SetState(ClientStateWaitGame::Instance());
 		retVal = MSG_SOCK_SESSION_DONE;
 	}
-	else if (packet->ToNetPacketError())
-	{
-		// Server reported an error.
-		NetPacketError::Data errorData;
-		packet->ToNetPacketError()->GetData(errorData);
-		// Show the error.
-		throw ClientException(errorData.errorCode, 0);
-	}
 
 	return retVal;
 }
diff --git a/src/net/common/netpacket.cpp b/src/net/common/netpacket.cpp
index 1b26b4dd..b1b83c94 100644
--- a/src/net/common/netpacket.cpp
+++ b/src/net/common/netpacket.cpp
@@ -59,6 +59,7 @@ using namespace std;
 #define NET_ERR_JOIN_GAME_INVALID_PLAYER_NAME	0x0006
 #define NET_ERR_GENERAL_INVALID_PACKET			0xFF01
 #define NET_ERR_GENERAL_INVALID_STATE			0xFF02
+#define NET_ERR_GENERAL_PLAYER_KICKED			0xFF03
 #define NET_ERR_OTHER							0xFFFF
 
 #ifdef _MSC_VER
@@ -2111,6 +2112,9 @@ NetPacketError::SetData(const NetPacketError::Data &inData)
 		case ERR_SOCK_INVALID_STATE :
 			tmpData->reason = htons(NET_ERR_GENERAL_INVALID_STATE);
 			break;
+		case ERR_NET_PLAYER_KICKED :
+			tmpData->reason = htons(NET_ERR_GENERAL_PLAYER_KICKED);
+			break;
 		default :
 			tmpData->reason = htons(NET_ERR_OTHER);
 			break;
@@ -2151,6 +2155,9 @@ NetPacketError::GetData(NetPacketError::Data &outData) const
 		case NET_ERR_GENERAL_INVALID_STATE :
 			outData.errorCode = ERR_SOCK_INVALID_STATE;
 			break;
+		case NET_ERR_GENERAL_PLAYER_KICKED :
+			outData.errorCode = ERR_NET_PLAYER_KICKED;
+			break;
 		default :
 			outData.errorCode = ERR_SOCK_INTERNAL;
 			break;
diff --git a/src/net/common/serverrecvthread.cpp b/src/net/common/serverrecvthread.cpp
index c9f99a38..ae9f5cbb 100644
--- a/src/net/common/serverrecvthread.cpp
+++ b/src/net/common/serverrecvthread.cpp
@@ -82,10 +82,10 @@ ServerRecvThread::AddConnection(boost::shared_ptr<ConnectData> data)
 }
 
 void
-ServerRecvThread::AddNotification(unsigned message, unsigned param1, unsigned param2)
+ServerRecvThread::AddNotification(unsigned message, const string &param)
 {
 	boost::mutex::scoped_lock lock(m_notificationQueueMutex);
-	m_notificationQueue.push_back(Notification(message, param1, param2));
+	m_notificationQueue.push_back(Notification(message, param));
 }
 
 void
@@ -145,6 +145,9 @@ ServerRecvThread::NotificationLoop()
 			case NOTIFY_GAME_START:
 				InternalStartGame();
 				break;
+			case NOTIFY_KICK_PLAYER:
+				InternalKickPlayer(notification.param);
+				break;
 		}
 	}
 }
@@ -287,13 +290,24 @@ ServerRecvThread::InternalStartGame()
 	m_game.reset(new Game(&gui, factory, playerData, GetGameData(), GetStartData(), m_curGameId++));
 }
 
+void
+ServerRecvThread::InternalKickPlayer(const string playerName)
+{
+	if (!playerName.empty())
+	{
+		SessionWrapper tmpSession = GetSession(playerName);
+
+		SessionError(tmpSession, ERR_NET_PLAYER_KICKED);
+	}
+}
+
 SessionWrapper
-ServerRecvThread::GetSession(SOCKET sock)
+ServerRecvThread::GetSession(SOCKET sock) const
 {
 	SessionWrapper tmpSession;
 	boost::mutex::scoped_lock lock(m_sessionMapMutex);
 
-	SocketSessionMap::iterator pos = m_sessionMap.find(sock);
+	SocketSessionMap::const_iterator pos = m_sessionMap.find(sock);
 	if (pos != m_sessionMap.end())
 	{
 		tmpSession = pos->second;
@@ -301,6 +315,34 @@ ServerRecvThread::GetSession(SOCKET sock)
 	return tmpSession;
 }
 
+SessionWrapper
+ServerRecvThread::GetSession(const string playerName) const
+{
+	SessionWrapper tmpSession;
+	boost::mutex::scoped_lock lock(m_sessionMapMutex);
+
+	SocketSessionMap::const_iterator session_i = m_sessionMap.begin();
+	SocketSessionMap::const_iterator session_end = m_sessionMap.end();
+
+	while (session_i != session_end)
+	{
+		// Check all players which are fully connected.
+		if (session_i->second.sessionData->GetState() == SessionData::Established)
+		{
+			boost::shared_ptr<PlayerData> tmpPlayer(session_i->second.playerData);
+			assert(tmpPlayer.get());
+			if (tmpPlayer->GetName() == playerName)
+			{
+				tmpSession = session_i->second;
+				break;
+			}
+		}
+
+		++session_i;
+	}
+	return tmpSession;
+}
+
 void
 ServerRecvThread::AddSession(boost::shared_ptr<SessionData> sessionData)
 {
@@ -415,25 +457,15 @@ ServerRecvThread::GetCurNumberOfPlayers() const
 }
 
 bool
-ServerRecvThread::IsPlayerConnected(const std::string &playerName) const
+ServerRecvThread::IsPlayerConnected(const string &playerName) const
 {
 	bool retVal = false;
-	PlayerDataList playerList = GetPlayerDataList();
 
-	PlayerDataList::const_iterator player_i = playerList.begin();
-	PlayerDataList::const_iterator player_end = playerList.end();
+	SessionWrapper tmpSession = GetSession(playerName);
 
-	// Check by name - the name is unique.
-	while (player_i != player_end)
-	{
-		if ((*player_i)->GetName() == playerName)
-		{
-			retVal = true;
-			break;
-		}
+	if (tmpSession.sessionData.get() && tmpSession.playerData.get())
+		retVal = true;
 
-		++player_i;
-	}
 	return retVal;
 }
 
@@ -612,7 +644,7 @@ ServerRecvThread::SetStartData(const StartData &startData)
 }
 
 bool
-ServerRecvThread::CheckPassword(const std::string &password) const
+ServerRecvThread::CheckPassword(const string &password) const
 {
 	return (password == m_password);
 }
diff --git a/src/net/common/serverthread.cpp b/src/net/common/serverthread.cpp
index d20a50b7..e150a2ac 100644
--- a/src/net/common/serverthread.cpp
+++ b/src/net/common/serverthread.cpp
@@ -28,6 +28,7 @@
 #define ACCEPT_TIMEOUT_MSEC			50
 #define NET_SERVER_LISTEN_BACKLOG	5
 
+using namespace std;
 
 ServerThread::ServerThread(GuiInterface &gui, ConfigFile *config)
 : m_gui(gui)
@@ -63,7 +64,17 @@ ServerThread::StartGame()
 		return; // TODO: throw exception
 
 	// Thread-safe notification.
-	GetRecvThread().AddNotification(NOTIFY_GAME_START, 0, 0);
+	GetRecvThread().AddNotification(NOTIFY_GAME_START, "");
+}
+
+void
+ServerThread::KickPlayer(const string &playerName)
+{
+	if (!IsRunning())
+		return; // TODO: throw exception
+
+	// Thread-safe notification.
+	GetRecvThread().AddNotification(NOTIFY_KICK_PLAYER, playerName);
 }
 
 ServerCallback &
diff --git a/src/net/serverrecvthread.h b/src/net/serverrecvthread.h
index 6d34cc6e..90cf52ff 100644
--- a/src/net/serverrecvthread.h
+++ b/src/net/serverrecvthread.h
@@ -38,6 +38,7 @@
 
 // Notifications
 #define NOTIFY_GAME_START				1
+#define NOTIFY_KICK_PLAYER				2
 
 class ServerRecvState;
 class SenderThread;
@@ -66,7 +67,7 @@ public:
 	void Init(const std::string &pwd, const GameData &gameData);
 
 	void AddConnection(boost::shared_ptr<ConnectData> data);
-	void AddNotification(unsigned message, unsigned param1, unsigned param2);
+	void AddNotification(unsigned message, const std::string &param);
 
 	ServerCallback &GetCallback();
 
@@ -78,11 +79,10 @@ protected:
 
 	struct Notification
 	{
-		Notification(unsigned m, unsigned p1, unsigned p2)
-			: message(m), param1(p1), param2(p2) {}
+		Notification(unsigned m, std::string p)
+			: message(m), param(p) {}
 		unsigned message;
-		unsigned param1;
-		unsigned param2;
+		std::string param;
 	};
 
 	typedef std::deque<boost::shared_ptr<ConnectData> > ConnectQueue;
@@ -103,8 +103,10 @@ protected:
 	void CleanupSessionMap();
 
 	void InternalStartGame();
+	void InternalKickPlayer(const std::string playerName);
 
-	SessionWrapper GetSession(SOCKET sock);
+	SessionWrapper GetSession(SOCKET sock) const;
+	SessionWrapper GetSession(const std::string playerName) const;
 	void AddSession(boost::shared_ptr<SessionData> sessionData); // new Sessions have no player data
 	void SessionError(SessionWrapper session, int errorCode);
 	void RejectNewConnection(boost::shared_ptr<ConnectData> connData);
diff --git a/src/net/serverthread.h b/src/net/serverthread.h
index 7f556bec..3a9ec85c 100644
--- a/src/net/serverthread.h
+++ b/src/net/serverthread.h
@@ -44,6 +44,7 @@ public:
 	void Init(unsigned serverPort, bool ipv6, bool sctp, const std::string &pwd,
 		const GameData &gameData);
 	void StartGame();
+	void KickPlayer(const std::string &playerName);
 
 	ServerCallback &GetCallback();
 	GuiInterface &GetGui();
diff --git a/src/net/socket_msg.h b/src/net/socket_msg.h
index 07ad017d..53a4c8c9 100644
--- a/src/net/socket_msg.h
+++ b/src/net/socket_msg.h
@@ -53,6 +53,7 @@
 #define ERR_NET_INVALID_CHAT_TEXT		110
 #define ERR_NET_UNKNOWN_PLAYER_ID		111
 #define ERR_NET_INVALID_ROUND			112
+#define ERR_NET_PLAYER_KICKED			113
 
 // This is an internal message which is not reported.
 #define MSG_SOCK_INTERNAL_PENDING		0
diff --git a/src/session.cpp b/src/session.cpp
index 12010120..d5ab10f9 100755
--- a/src/session.cpp
+++ b/src/session.cpp
@@ -203,12 +203,23 @@ void Session::sendClientPlayerAction()
 	myNetClient->SendPlayerAction();
 }
 
-void Session::sendChatMessage(const std::string &message) {
+void Session::sendChatMessage(const std::string &message)
+{
 	if (!myNetClient)
 		return; // only act if client is running.
 	myNetClient->SendChatMessage(message);
 }
 
+void Session::kickPlayer(const std::string &playerName)
+{
+	if (!myNetServer)
+	{
+		assert(false);
+		return;
+	}
+	myNetServer->KickPlayer(playerName);
+}
+
 bool Session::isNetworkClientRunning() const
 {
 	// This, and every place which calls this, is a HACK.
diff --git a/src/session.h b/src/session.h
index 86617cfe..21fe595b 100755
--- a/src/session.h
+++ b/src/session.h
@@ -59,6 +59,7 @@ public:
 	int getCurrentGameID() const { return currentGameID; }
 
 	void sendChatMessage(const std::string &message);
+	void kickPlayer(const std::string &playerName);
 
 	bool isNetworkClientRunning() const; // TODO hack