public void DetachFromHomeServer()
    {
      ISettingsManager settingsManager = ServiceRegistration.Get<ISettingsManager>();
      ServerConnectionSettings settings = settingsManager.Load<ServerConnectionSettings>();
      ServiceRegistration.Get<ILogger>().Info("ServerConnectionManager: Detaching from home server '{0}'", settings.HomeServerSystemId);

      UPnPServerControllerServiceProxy sc = ServerControllerServiceProxy;
      if (sc != null)
        try
        {
          sc.AttachedClientsChanged -= OnAttachedClientsChanged;
          sc.ConnectedClientsChanged -= OnConnectedClientsChanged;
        }
        catch (Exception e)
        {
          ServiceRegistration.Get<ILogger>().Warn("ServerConnectionManager: Error detaching from home server '{0}'", e, HomeServerSystemId);
        }

      ServiceRegistration.Get<ILogger>().Debug("ServerConnectionManager: Closing server connection");
      UPnPClientControlPoint cp;
      lock (_syncObj)
        cp = _controlPoint;
      if (cp != null)
        cp.Stop(); // Must be outside the lock - sends messages
      lock (_syncObj)
      {
        settings.HomeServerSystemId = null;
        settings.LastHomeServerName = null;
        settings.LastHomeServerSystem = null;
        settingsManager.Save(settings);
        _controlPoint = null;
      }
      ServerConnectionMessaging.SendServerConnectionStateChangedMessage(ServerConnectionMessaging.MessageType.HomeServerDetached);

      ServiceRegistration.Get<ILogger>().Debug("ServerConnectionManager: Starting to watch for MediaPortal servers");
      if (_serverWatcher == null)
      {
        lock (_syncObj)
          _serverWatcher = BuildServerWatcher();
        _serverWatcher.Start(); // Outside the lock
      }
    }