Selenium fails to find Internet Explorer on Windows to run test on

Error when trying to run tests on Internet Explorer:

Exception: 13 - UnknownError - An unknown server-side error occurred while processing the command. Arguments: {"desiredCapabilities":{"browserName":"iexplorer","javascriptEnabled":true,"platform":"ANY"}} Message: Error forwarding the new session cannot find : {platform=ANY, javascriptEnabled=true, browserName=iexplorer} in SeleniumWebdriver->check_response_status() (line 1140 of sites/all/modules/selenium/drupal_selenium_web_test_case.php).