How To Connect To A Remote Database ?

Hello,

First, sorry for my bad English.

Here is my problem:

BoxA: XPpro + Apache + php (using php_mssql.php)+ ADOdb + MS SQL Server
+ My_Prog (using local MS SQL PUBS database)

BoxB: NT4 + Apache + php (using php_mssql.php)+ ADOdb + My_Prog (using
remote BoxA PUBS database)

BoxC: W2K

My_Prog uses:
$serveur = '10.0.0.1'; BoxA's IP address
$admin_nom = 'sa';
$admin_mdp = '';
$base = 'PUBS';

$conn = &ADONewConnection($sgbd);
$conn->debug = true;
$a = $conn->Connect ($serveur,$admin_nom,$admin_mdp,$base);


From BoxC, using IE, connecting to:
- BoxA My_Prog : I access PUBS, that's OK
- BoxB My_prog : "Warning: mssql_connect(): message: Echec de la
connexion de l'utilisateur 'sa'. Raison : Non associé à une connexion
sécurisée SQL Server. (severity 14) in ...adodb-mssql.inc.php on line
438." (I prefer to report the "French" message)

Anyone knows about ?

Thanks in advance,
Eric