Openfire 4.0.0 (but also happened before) always adds quotes to the names in our LDAP Base DN.
Example DN we enter:
ou=Container,dc=thing,dc=example,dc=at
Example output:
ou="Container",dc="thing",dc="example",dc="at"
When editing the LDAP Settings in the Admin console (Server -> Server Settings -> Profile Settings -> Edit), in the edit form, the Base DN is truncated to this:
ou=