try {
            handle.sendrecv(rpc);
        } catch (DcerpcException de) {
            if (de.getErrorCode() != DcerpcError.DCERPC_FAULT_OP_RNG_ERROR)
                throw de;

            MsrpcSamrConnect2 rpc2 = new MsrpcSamrConnect2(server, access, this);
            handle.sendrecv(rpc2);
        }
    }

    public void close() throws IOException {

        try {
            handle.sendrecv(rpc);
        }
        catch ( DcerpcException de ) {
            if ( de.getErrorCode() != DcerpcError.DCERPC_FAULT_OP_RNG_ERROR ) {
                throw de;
            }
            MsrpcSamrConnect2 rpc2 = new MsrpcSamrConnect2(server, access, this);
            handle.sendrecv(rpc2);
        }
        this.opened = true;
    }

        this.handle = handle;
        if ( server == null ) {
            server = "\\\\";
        }
        MsrpcLsarOpenPolicy2 rpc = new MsrpcLsarOpenPolicy2(server, access, this);
        handle.sendrecv(rpc);
        if ( rpc.retval != 0 ) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }


    @Override

    void resolveSids ( DcerpcHandle handle, LsaPolicyHandle policyHandle, jcifs.SID[] sids ) throws IOException {
        MsrpcLookupSids rpc = new MsrpcLookupSids(policyHandle, sids);
        handle.sendrecv(rpc);
        switch ( rpc.retval ) {
        case 0:
        case NtStatus.NT_STATUS_NONE_MAPPED:
        case 0x00000107: // NT_STATUS_SOME_NOT_MAPPED
            break;
        default:

                .getHandle("ncacn_np:" + getTestServer() + "[\\PIPE\\srvsvc]", withTestNTLMCredentials(getContext())) ) {
            MsrpcShareEnum rpc = new MsrpcShareEnum(handle.getServerWithDfs());
            handle.sendrecv(rpc);
            assertEquals(0, rpc.retval);
        }
    }


    @Test
    public void exclusiveConnection () throws IOException {
        try ( DcerpcHandle handle = DcerpcHandle

        MsrpcLsarOpenPolicy2 rpc = new MsrpcLsarOpenPolicy2(server, access, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

    public void close() throws IOException {
        MsrpcLsarClose rpc = new MsrpcLsarClose(this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

        MsrpcSamrOpenAlias rpc = new MsrpcSamrOpenAlias(domainHandle, access, rid, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

    public void close() throws IOException {
        MsrpcSamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

        this.handle = handle;
        MsrpcSamrOpenAlias rpc = new MsrpcSamrOpenAlias(domainHandle, access, rid, this);
        handle.sendrecv(rpc);
        if ( rpc.retval != 0 ) {
            throw new SmbException(rpc.retval, false);
        }
        this.opened = true;
    }


    @Override

        try ( DcerpcHandle handle = getHandle(ctx, loc, address, "\\PIPE\\netdfs") ) {
            MsrpcDfsRootEnum rpc = new MsrpcDfsRootEnum(loc.getServer());
            handle.sendrecv(rpc);
            if ( rpc.retval != 0 ) {
                throw new SmbException(rpc.retval, true);
            }
            return rpc.getEntries();
        }
    }

        MsrpcSamrOpenDomain rpc = new MsrpcSamrOpenDomain(policyHandle, access, sid, this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }

    public void close() throws IOException {
        MsrpcSamrCloseHandle rpc = new MsrpcSamrCloseHandle(this);
        handle.sendrecv(rpc);
        if (rpc.retval != 0)
            throw new SmbException(rpc.retval, false);
    }