Hi,
To enable LDAP authentication on my server, first I would create an [LDAP datasource](https://community.denodo.com/docs/html/browse/8.0/en/vdp/administration/creating_data_sources_and_base_views/ldap_sources/ldap_sources). The url could be of a format
ldap://<server>:<port>/
Where server could be the IP address or server name, and port is by default 389 (or 636 for LDAPs). You can refer to the [How to configure a VDP database with LDAP authentication](https://community.denodo.com/kb/en/view/document/How%20to%20configure%20a%20VDP%20database%20with%20LDAP%20authentication?category=Security)
Knowledge Base article for common LDAP url formats.
Next I would [configure my server](https://community.denodo.com/docs/html/browse/8.0/en/vdp/administration/server_configuration/server_authentication/ldap_authentication/ldap_authentication) to use that LDAP datasource for authentication, and [import roles](https://community.denodo.com/docs/html/browse/8.0/en/vdp/administration/databases_users_and_access_rights_in_virtual_dataport/administration_of_databases_users_roles_and_their_access_rights/creating_roles#wizard-import-roles-from-ldap) from the LDAP server.
Hope this helps!