return npa instanceof jcifs.smb.NtlmPasswordAuthentication && ((NtlmPasswordAuthentication) npa).areHashesExternal()
                && tc.getConfig().getDefaultPassword() != null;
    }

    boolean logoff(boolean inError, boolean inUse) {
        boolean wasInUse = false;
        try (SmbTransportImpl trans = getTransport()) {
            synchronized (trans) {