Installation on SQL Server

I would like to install CRM Suite on SQL SERVER. The system cannot detect the SQL driver. Can you advise me something?

  • Windows Server 2016
  • IIS
  • SQL Server 2017
    -php 7.1

php.ini

extension_dir=“C:\Program Files\PHP\v7.1\ext”

[ExtensionList]
extension=php_mysqli.dll
extension=php_mbstring.dll
extension=php_gd2.dll
extension=php_gettext.dll
extension=php_curl.dll
extension=php_exif.dll
extension=php_xmlrpc.dll
extension=php_openssl.dll
extension=php_soap.dll
extension=php_pdo_mysql.dll
extension=php_pdo_sqlite.dll
extension=php_imap.dll
extension=php_tidy.dll
extension=php_sqlsrv_74_ts_x86.dll
extension=php_sqlsrv_74_ts_x64.dll
extension=php_pdo_sqlsrv_74_ts_x86.dll
extension=php_pdo_sqlsrv_53_nts.dll
extension=php_pdo_sqlsrv_53_ts.dll
extension=php_pdo_sqlsrv_54_nts.dll
extension=php_pdo_sqlsrv_54_ts.dll
extension=php_sqlsrv_53_nts.dll
extension=php_sqlsrv_53_ts.dll
extension=php_php_sqlsrv_54_ts.dll
extension=php_sqlsrv_54_nts.dll