Hello,
I have setup NextCloud 12 and I need to config user LDAP connexion.
all seems OK.
However, when i going on users, there is User-ID and not the real name.
Any Idea Please ? 
Well i guess you have to show us your ldap settings.
User Display Field Name might be of interest.
Taken from User Authentication with LDAP — Nextcloud 12 Server Administration Manual 12 documentation
and i have this in log :
no app in context Symfony\Component\Routing\Exception\RouteNotFoundException: Unable to generate a URL for the named route "theming.Theming.getLogo" as such route does not exist. 2017-07-27T16:46:07+0200
Error no app in context Symfony\Component\Routing\Exception\RouteNotFoundException: Unable to generate a URL for the named route “theming.Theming.getLogo” as such route does not exist. 2017-07-27T16:45:57+0200
Error PHP ldap_control_paged_result_response(): Result is: No such object (32) at /var/www/html/nextcloud/apps/user_ldap/lib/LDAP.php#74
Do you have a field “displayName” on your LDAP Server? I have “cn” on this setting.
No problem on displayName.
There is a problem on User Name (Login) and i don’t find where config this field
Thanks for your support 
i think i have found the problem,
i have not the sAMAccountName Attribut 
@illuzion you only need put SamAccountName on Internal Username Attribut on Expert
I hope it helps you…
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