Warning: mssql_connect() [function.mssql-connect]: message: Login failed for user 'sa'. (severity 14) in C:\Program Files\Apache Group\Apache2\htdocs\Puntos\Conexion\Conexion.php on line 19

Warning: mssql_connect() [function.mssql-connect]: Unable to connect to server: 127.0.0.1 in C:\Program Files\Apache Group\Apache2\htdocs\Puntos\Conexion\Conexion.php on line 19
No se puede conectar a SQL Server en 127.0.0.1