geseronta Finding out now that the lookup part of the plugin also seems to be having issues for us with 1.17. It no longer finds users when adding new users etc., and we are having to add manually. Would there be a specific log that would be helpful?
When the lookups/type aheads for new user and new agent were not working I found it was due to the password for the search user under the "Connection Information" section of the LDAP plugin settings which needed to be re-entered.
I always needed to re-enter that password after an upgrade from 1.16 to 1.17 if I wanted the information look ups to work again.
Those should generally be separate from the login process but certainly worth getting working again.
It is odd you both seem to have a similar problem which not everyone can replicate. Using email address for the login field seems to work for me but I used the code from davidbuzz in place as well.
Cheers.