log.debug("treeConnect: unc=" + unc + ",service=" + svc);
                    }

                    if ( transport.isSMB2() ) {
                        Smb2TreeConnectRequest req = new Smb2TreeConnectRequest(sess.getConfig(), unc);
                        if ( andx != null ) {
                            req.chain((ServerMessageBlock2) andx);
                        }
                        request = req;

            // Samba woes on these
            // Smb2SessionSetupRequest + X -> INTERNAL_ERROR
            // Smb2TreeConnectRequest + IoCtl -> NETWORK_NAME_DELETED
            this.disallowCompound = new HashSet<>(Arrays.asList("Smb2SessionSetupRequest", "Smb2TreeConnectRequest"));
        }
    }