SmbTransportInternal trans = dc != null ? dc.unwrap(SmbTransportInternal.class) : null;
                if ( trans != null ) {
                    // get domain referral
                    initial = trans.getDfsReferrals(tf.withAnonymousCredentials(), "", trans.getRemoteHostName(), authDomain, 0);
                }
                if ( initial != null ) {

        DfsReferralData dr = null;
        if ( !getContext().getConfig().isDfsDisabled() ) {
            try {
                dr = getDfsReferrals(getContext(), path, req.getServer(), req.getDomain(), 1);
            }
            catch ( CIFSException e ) {
                throw new SmbException("Failed to get DFS referral", e);
            }
        }