DcerpcHandle handle = null;
        LsaPolicyHandle policyHandle = null;

        synchronized (sid_cache) {
            try {
                handle = DcerpcHandle.getHandle("ncacn_np:" + authorityServerName + "[\\PIPE\\lsarpc]", auth);
                String server = authorityServerName;
                final int dot = server.indexOf('.');

     * @throws MalformedURLException if the URL is malformed
     * @throws DcerpcException if DCERPC initialization fails
     */
    public static DcerpcHandle getHandle(final String url, final NtlmPasswordAuthentication auth)
            throws UnknownHostException, MalformedURLException, DcerpcException {
        if (url.startsWith("ncacn_np:")) {

        this.context = context;

        try {
            // Create DCE/RPC handle for witness service
            String rpcUrl = buildWitnessRpcUrl(serverAddress);
            this.rpcHandle = DcerpcHandle.getHandle(rpcUrl, context);
            this.rpcHandle.bind();
            this.connected = true;

            log.debug("Connected to witness service at {}", serverAddress.getHostAddress());
        } catch (Exception e) {

    //        SmbTransport trans = SmbTransport.getSmbTransport(dc, 0);
    //        DfsReferral[] dr = trans.getDfsReferrals(auth, "\\" + domainName, 1);
    //
    //        handle = DcerpcHandle.getHandle("ncacn_np:" +
    //                    UniAddress.getByName(dr[0].server).getHostAddress() +
    //                    "[\\PIPE\\netdfs]", auth);
    //        try {
    //            rpc = new MsrpcDfsRootEnum(domainName);

        this.serverAddress = serverAddress;
        this.context = context;
        
        try {
            // Create RPC handle to witness service
            this.handle = DcerpcHandle.getHandle(
                "ncacn_ip_tcp:" + serverAddress.getHostAddress() + "[135]",
                WITNESS_INTERFACE_UUID,
                WITNESS_INTERFACE_VERSION,
                context
            );
            

            }
        }
    }

    FileEntry[] doDfsRootEnum() throws IOException {
        MsrpcDfsRootEnum rpc;
        final FileEntry[] entries;

        DcerpcHandle handle = DcerpcHandle.getHandle("ncacn_np:" + getAddress().getHostAddress() + "[\\PIPE\\netdfs]", auth);
        try {
            rpc = new MsrpcDfsRootEnum(getServer());
            handle.sendrecv(rpc);
            if (rpc.retval != 0) {

            if (this.fileLocator.getDfsPath() == null && this.fileLocator.getPort() != -1) {
                server = server + ":" + this.fileLocator.getPort();
            }
            try (DcerpcHandle handle = DcerpcHandle.getHandle("ncacn_np:" + server + "[\\PIPE\\srvsvc]", getContext())) {
                handle.sendrecv(rpc);
                if (rpc.retval != 0) {
                    throw new SmbException(rpc.retval, true);
                }