Problema connessione server con VBull 3.7.1

Salve a tutti!
Devo installare VBulletin 3.7.1 in inglese sul mio sito web, ma ho un problema, al 3° passaggio mi dice che non ho il permesso di connettermi al server. Ecco come ho configurato la pagina di configurazione del sistema VBulletin: root/includes/config.php

Codice:

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//        ****** DATABASE TYPE ******
        //        This is the type of the database server on which your vBulletin database will be located.
        //        Valid options are mysql and mysqli, for slave support add _slave.  Try to use mysqli if you are using PHP 5 and MySQL 4.1+
        // for slave options just append _slave to your preferred database type.
$config['Database']['dbtype'] = 'mysql';

        //        ****** DATABASE NAME ******
        //        This is the name of the database where your vBulletin will be located.
        //        This must be created by your webhost.
$config['Database']['dbname'] = 'my_vcwar';

        //        ****** TABLE PREFIX ******
        //        Prefix that your vBulletin tables have in the database.
$config['Database']['tableprefix'] = 'vb3';

        //        ****** TECHNICAL EMAIL ADDRESS ******
        //        If any database errors occur, they will be emailed to the address specified here.
        //        Leave this blank to not send any emails when there is a database error.
$config['Database']['technicalemail'] = 'dbmaster@example.com';

        //        ****** FORCE EMPTY SQL MODE ******
        // New versions of MySQL (4.1+) have introduced some behaviors that are
        // incompatible with vBulletin. Setting this value to "true" disables those
        // behaviors. You only need to modify this value if vBulletin recommends it.
$config['Database']['force_sql_mode'] = false;



        //        ****** MASTER DATABASE SERVER NAME AND PORT ******
        //        This is the hostname or IP address and port of the database server.
        //        If you are unsure of what to put here, leave the default values.
$config['MasterServer']['servername'] = 'localhost';
$config['MasterServer']['port'] = 80;

        //        ****** MASTER DATABASE USERNAME & PASSWORD ******
        //        This is the username and password you use to access MySQL.
        //        These must be obtained through your webhost.
$config['MasterServer']['username'] = 'vcwar';
$config['MasterServer']['password'] = '******';

        //        ****** MASTER DATABASE PERSISTENT CONNECTIONS ******
        //        This option allows you to turn persistent connections to MySQL on or off.
        //        The difference in performance is negligible for all but the largest boards.
        //        If you are unsure what this should be, leave it off. (0 = off; 1 = on)
$config['MasterServer']['usepconnect'] = 0;



        //        ****** SLAVE DATABASE CONFIGURATION ******
        //        If you have multiple database backends, this is the information for your slave
        //        server. If you are not 100% sure you need to fill in this information,
        //        do not change any of the values here.
$config['SlaveServer']['servername'] = 'my_vcwar';
$config['SlaveServer']['port'] = 80;
$config['SlaveServer']['username'] = 'vcwar';
$config['SlaveServer']['password'] = '********';
$config['SlaveServer']['usepconnect'] = 0;



        //        ****** PATH TO ADMIN & MODERATOR CONTROL PANELS ******
        //        This setting allows you to change the name of the folders that the admin and
        //        moderator control panels reside in. You may wish to do this for security purposes.
        //        Please note that if you change the name of the directory here, you will still need
        //        to manually change the name of the directory on the server.
$config['Misc']['admincpdir'] = 'admincp';
$config['Misc']['modcpdir'] = 'modcp';

        //        Prefix that all vBulletin cookies will have
        //        Keep this short and only use numbers and letters, i.e. 1-9 and a-Z
$config['Misc']['cookieprefix'] = 'bb';

        //        ******** FULL PATH TO FORUMS DIRECTORY ******
        //        On a few systems it may be necessary to input the full path to your forums directory
        //        for vBulletin to function normally. You can ignore this setting unless vBulletin
        //        tells you to fill this in. Do not include a trailing slash!
        //        Example Unix:
        //          $config['Misc']['forumpath'] = '/home/users/public_html/forums';
        //        Example Win32:
        //          $config['Misc']['forumpath'] = 'c:\program files\apache group\apache\htdocs\vb3';
$config['Misc']['forumpath'] = '';



        //        ****** USERS WITH ADMIN LOG VIEWING PERMISSIONS ******
        //        The users specified here will be allowed to view the admin log in the control panel.
        //        Users must be specified by *ID number* here. To obtain a user's ID number,
        //        view their profile via the control panel. If this is a new installation, leave
        //        the first user created will have a user ID of 1. Seperate each userid with a comma.
$config['SpecialUsers']['canviewadminlog'] = '1';

        //        ****** USERS WITH ADMIN LOG PRUNING PERMISSIONS ******
        //        The users specified here will be allowed to remove ("prune") entries from the admin
        //        log. See the above entry for more information on the format.
$config['SpecialUsers']['canpruneadminlog'] = '1';

        //        ****** USERS WITH QUERY RUNNING PERMISSIONS ******
        //        The users specified here will be allowed to run queries from the control panel.
        //        See the above entries for more information on the format.
        //        Please note that the ability to run queries is quite powerful. You may wish
        //        to remove all user IDs from this list for security reasons.
$config['SpecialUsers']['canrunqueries'] = '';

        //        ****** UNDELETABLE / UNALTERABLE USERS ******
        //        The users specified here will not be deletable or alterable from the control panel by any users.
        //        To specify more than one user, separate userids with commas.
$config['SpecialUsers']['undeletableusers'] = '';

        //        ****** SUPER ADMINISTRATORS ******
        //        The users specified below will have permission to access the administrator permissions
        //        page, which controls the permissions of other administrators
$config['SpecialUsers']['superadministrators'] = '1';

        // ****** DATASTORE CACHE CONFIGURATION *****
        // Here you can configure different methods for caching datastore items.
        // vB_Datastore_Filecache  - to use includes/datastore/datastore_cache.php
        // vB_Datastore_APC - to use APC
        // vB_Datastore_XCache - to use XCache
        // vB_Datastore_Memcached - to use a Memcache server, more configuration below
// $config['Datastore']['class'] = 'vB_Datastore_Filecache';

        // ******** DATASTORE PREFIX ******
        // If you are using a PHP Caching system (APC, XCache, eAccelerator) with more
        // than one set of forums installed on your host, you *may* need to use a prefix
        // so that they do not try to use the same variable within the cache.
        // This works in a similar manner to the database table prefix.
// $config['Datastore']['prefix'] = 'vb3';

        // It is also necessary to specify the hostname or IP address and the port the server is listening on
/*
$config['Datastore']['class'] = 'vB_Datastore_Memcached';
$i = 0;
// First Server
$i++;
$config['Misc']['memcacheserver'][$i]                = '127.0.0.1';
$config['Misc']['memcacheport'][$i]                        = 11211;
$config['Misc']['memcachepersistent'][$i]        = true;
$config['Misc']['memcacheweight'][$i]                = 1;
$config['Misc']['memcachetimeout'][$i]                = 1;
$config['Misc']['memcacheretry_interval'][$i] = 15;
*/

// ****** The following options are only needed in special cases ******

        //        ****** MySQLI OPTIONS *****
        // When using MySQL 4.1+, MySQLi should be used to connect to the database.
        // If you need to set the default connection charset because your database
        // is using a charset other than latin1, you can set the charset here.
        // If you don't set the charset to be the same as your database, you
        // may receive collation errors.  Ignore this setting unless you
        // are sure you need to use it.
// $config['Mysqli']['charset'] = 'utf8';

        //        Optionally, PHP can be instructed to set connection parameters by reading from the
        //        file named in 'ini_file'. Please use a full path to the file.
        //        Example:
        //        $config['Mysqli']['ini_file'] = 'c:\program files\MySQL\MySQL Server 4.1\my.ini';
$config['Mysqli']['ini_file'] = '';

// Image Processing Options
        // Images that exceed either dimension below will not be resized by vBulletin. If you need to resize larger images, alter these settings.
$config['Misc']['maxwidth'] = 2592;
$config['Misc']['maxheight'] = 1944;

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Che errore ci può essere?
La classe del mio database è la 4°, cioè il massimo che mi offrite voi, attivato già da circa 3 ore e mezzo.