Fixed it.
function getUserIDandPush($ul){
global $table_prefix; // Prefix for Database table
global $user_login;
global $wpdb; // WordPress WPDB database method
$dt = $table_prefix; //Tables Prefix
if (!is_user_logged_in() && isset($_SERVER['LOGON_USER'])) {
$as = $wpdb->get_results('SELECT * FROM '.$dt.'users WHERE user_login = "'.$ul.'" ');
$usID = $as[0]->ID;
wp_set_current_user($usID, $ul);
wp_set_auth_cookie($usID);
do_action('wp_login', $ul);
}
}