ACE[] aces;
            MsrpcShareGetInfo rpc = new MsrpcShareGetInfo(server, th.getConnectedShare());
            try ( DcerpcHandle handle = DcerpcHandle.getHandle("ncacn_np:" + server + "[\\PIPE\\srvsvc]", getContext()) ) {
                handle.sendrecv(rpc);
                if ( rpc.retval != 0 ) {
                    throw new SmbException(rpc.retval, true);
                }

                else if ( last == null ) {
                    // don't have enough credits/space for the first request, block until available
                    // for space there is nothing we can do, callers need to make sure that a single message fits

                    try {
                        long timeout = getResponseTimeout(chain);
                        if ( params.contains(RequestParam.NO_TIMEOUT) ) {