see if php5-pdo is installed

'default' => 'sqlsrv',

and

		'sqlsrv' => array(
			'driver'   => 'sqlsrv',
			'host'     => 'localhost',
			'database' => 'database',
			'username' => 'root',
			'password' => '',
			'prefix'   => '',
		),

yep php5-pdo installed...

zypper se PDO

Loading repository data... Reading installed packages...

S | Name | Summary | Type --+---------------------------------+-----------------------------+-------- i | php5-pdo | PHP5 Extension Module | package

and database config

'hr' => array( 'driver' => 'sqlsrv', 'host' => 'XXX.XXX.XXX.XXX', 'database' => '', 'username' => '', 'password' => '********', 'prefix' => '', ),

but page shows...

PDOException could not find driver

trying a brand new server at moment

update i can confirm freeTDS is working using tsql and also unixOBDC using isql ...