attempting to load extension

A PHP Error was encountered

Severity: Warning

Message: dl() [function.dl]: Unable to load dynamic library 'c:\php5\ext\php_sqlsrv_52_ts_vc6.dll' - The specified module could not be found.

Filename: controllers/authenticate.php

Line Number: 55


Fatal error: Call to undefined function sqlsrv_connect() in D:\Hosting\6312139\html\application\controllers\authenticate.php on line 66