FAQ
From Authentication Tools for Joomla! (JAuthTools)
The screen is blank
Is the PHP LDAP library installed? You can check by going to the System Information -> PHP Information screen of your Joomla! install.
My language uses different characters and this doesn't come across properly
User Guillermo Gonzalez commented JoomlaCode project page the following solution:
$user->name = iconv("UTF-8","ISO8859-1",$userdetails[0][$ldap_fullname][0]);
Wrapped around the appropriate values. Please keep in mind you will need iconv installed on your server for this to work.
Note: If you're still having issues, contact me via email. The address is available all over the place so I won't add it here to aide the spam bots.