note 117302 rejected from function.mssql-connect by cmb

Note Submitter: samuelpremkumar at gmail dot com ---- Please help!! A newbie to php. I have manually installed php 5.6.9 on Windows 7, with IIS7.5. Am trying to connect to SQL Server 2005, i have downloaded drivers and copied the 2 dll files (php_sqlsrv_56_nts.dll and php_pdo_sqlsrv_56_nts.dll) to the "c:\PHP\ext" folder. Made relevant changes in the php.ini file under Extensions as below: extension=php_sqlsrv_56_nts.dll extension=php_pdo_sqlsrv_56_nts.dll But when i try to connect, i get this error: --- Connection could not be established. Array ( [0] => Array ( [0] => IMSSP [SQLSTATE] => IMSSP [1] => -49 [code] => -49 [2] => This extension requires the Microsoft ODBC Driver 11 for SQL Server. Access the following URL to download the ODBC Driver 11 for SQL Server for x86: http://go.microsoft.com/fwlink/?LinkId=163712 [message] => This extension requires the Microsoft ODBC Driver 11 for SQL Server. Access the following URL to download the ODBC Driver 11 for SQL Server for x86: http://go.microsoft.com/fwlink/?LinkId=163712 ) [1] => Array ( [0] => IM002 [SQLSTATE] => IM002 [1] => 0 [code] => 0 [2] => [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified [message] => [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified ) ) ---- Please help.