Ldap config file

I’m using the latest version of zammad on UCS App-Store (univention corporate server)

syncing of users “worked” but I can’t see them inside “users”.

is there any log I can check?

or is there any way to set it using rails? I can’t find it in the documentation anywhere…

Does the overall search function work?
Because if the user list within the admin panel is empty, this usually is the sign for elasticsearch either not working, crashed, not configured, …