public bool Connect()
{
    try
    {
        _iisServer = new DirectoryEntry("IIS://localhost/W3SVC/1");
        _target = "localhost";
        _connection = new ConnectionOptions();                
        _scope = new ManagementScope(@"\\localhost\root\MicrosoftIISV2", _connection);
        _scope.Connect();
    }
    catch
    {
        return false;
    }

    return IsConnected();
}