Error setup LDAP Base DN appears to be wrong Configuration incorrect

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Nextcloud version 22.2.3
Operating system and version Linux Debian 11
Apache or nginx version nginx 1.19
PHP version (eg, 7.4): 8.0.15

The issue you are facing:

Is this the first time you’ve seen this error? (Y/N): Y

Steps to replicate it:

  1. Activate LDAP User
  2. Add LDAP Server openldap.kube-ldap.svc.cluster.local
  3. Port 1389
  4. Setup Admin DN CN=admin,dc=muellerpublic,dc=de
  5. Setup Password
  6. Click Test Base Dn
  7. Error Configuration incorrect and Base DN appears to be wrong

The output of your Nextcloud log in Admin > Logging:

Nothing

There is really no log entry at all.

My config works with other apps like Gitea and Grafana.

Nextcloud and OpenLDAP run on a Kubernetes cluster. I don’t even know if the LDAP App is doing anything. There are no logs and no access is made to the OpenLDAP server.