I am facing this error at the time of artisan migration – Laravel

I am facing this error at the time of configuration my laravel 6.2 project with PHP 7.2.5 to MSSQL SERVER and I have added in .env file

DB_CONNECTION=sqlsrv
DB_HOST="DESKTOP-AMCDA5K"
DB_PORT=1433
DB_DATABASE="AuditReferences"
DB_USERNAME="sa"
DB_PASSWORD="admin123"
DB_ENCRYPT=true
DB_TRUST_SERVER_CERTIFICATE=false

for view server connection page is here
server login page

and I have added all dll files in php.ini file setting and pdo_sqlsrv, sqlsrv are shown in phpinfo page

$ php artisan migrate

 IlluminateDatabaseQueryException  : could not find driver (SQL: select * from sysobjects where type in ('U', 'V') and name = migrations)
 at C:wamp64wwwLaravellaravelProjvendorlaravelframeworksrcIlluminateDatabaseConnection.php:669
665|         // If an exception occurs when attempting to run a query, we'll format the error
666|         // message to include the bindings with SQL, which will make this exception a
667|         // lot more helpful to the developer instead of just the database's errors.
668|         catch (Exception $e) {
> 669|             throw new QueryException(
670|                 $query, $this->prepareBindings($bindings), $e
671|             );
672|         }
673|

Exception trace:

1   PDOException::("could not find driver") C:wamp64wwwLaravellaravelProjvendorlaravelframeworksrcIlluminateDatabaseConnectorsConnector.php:70

2   PDO::__construct("dblib:host=DESKTOP-AMCDA5K:1433;dbname=AuditReferences;charset=utf8", "sa", "admin123", []) C:wamp64wwwLaravellaravelProjvendorlaravelframeworksrcIlluminateDatabaseConnectorsConnector.php:70