if (getUncPath0().length() == 1 || dest.getUncPath0().length() == 1) {
            throw new SmbException("Invalid operation for workgroups, servers, or shares");
        }

        resolveDfs(null);
        dest.resolveDfs(null);

        if (!tree.equals(dest.tree)) {
            throw new SmbException("Invalid operation for workgroups, servers, or shares");
        }

        if (LogStream.level >= 3) {