Endpoint Protection- кто-то упражнялся и/или продолжает упражняться с System Center Endpoint Protection, для чего и был загружен соответствующий шаблон ADMX (подробности).
The instructions given for applying the Guacamole LDAP schema changes are specific to OpenLDAP, but other LDAP implementations, including Active Directory, will have their own methods for updating the schema.
If you are not using OpenLDAP, a standards-compliant schema file is provided that can be used to update the schema of any LDAP directory supporting RFC-2252. Please consult the documentation of your LDAP directory to determine how such schema changes can be applied.