log.debug("Signatures for file enabled but not required " + this);
        }

        if (referral != null) {
            t.markDomainDfs();
        }

        try {
            if (log.isTraceEnabled()) {
                log.trace("doConnect: " + addr);
            }
            t.treeConnect(null, null);
            return t.acquire();

    }

    /**
     * @return whether this is a DFS share
     */
    public boolean isDfs() {
        return this.inDfs;
    }

    /**
     *
     */
    void markDomainDfs() {
        this.inDomainDfs = true;
    }

    /**
     * @return whether this tree was accessed using domain DFS
     */
    public boolean isInDomainDfs() {
        return this.inDomainDfs;