SuiteCRM and SQL Express

HI, I’m attempting to install SuiteCRM with SQLExpress, but the installation keeps reporting that “Database Support was not found.” I’ve tried enabling the following lines in php.ini to no avail:

Can someone please advise me of the correct extension for SQL Express? I’m using SQL 2008 R2

TIA, Derrick

Follow the instructions for sugarcrm CE it will be exactly the same.