Hello Guy sometime the world ist to simple to unterstand ®TFM.
I had 2 (VM) Neth servers one is primar with LDAP-DNS-DHCP the second will be a member of the first LDAP.
But i do not undestand the configuration between both Servers.
first THx fpr your support. Yes that was the problem and the solution to
The way was to easy. I open ut the config, put the Ldap-Server IP in. but before testing i fill up th default port 389. DO NOT FILL anything not in this feeld do not chance anything. Move foreword with . Than it is fine DO NOT move back. In both way fill in IP or move back you will find the Error, about the Config testig.
After this i try Nextcloud on the new server side, and all user can use tihs Nextcloud