Сервер SMB не отвечает

int main()
{
    
    WSADATA WSAData;
    SOCKET server;
    SOCKADDR_IN addr;
    char buffer[2048];
 
    WSAStartup(MAKEWORD(2, 0), &WSAData);
    if((server = socket(AF_INET, SOCK_STREAM, 0))==INVALID_SOCKET)
    {
        std::cout << "Socket creation failed with error: " << WSAGetLastError() << std::endl;
        return -1;
    }
 
    addr.sin_addr.s_addr = inet_addr("127.0.0.1");
    addr.sin_family = AF_INET;
    addr.sin_port = htons(445);
    if(connect(server, (SOCKADDR*)&addr, sizeof(addr))==SOCKET_ERROR)
    {
        std::cout << "Server connection failed with error: " << WSAGetLastError() << std::endl;
        return -1; 
    }
 
    unsigned char packet_data[106];
 
    memset(packet_data, 0, 106);
 
    unsigned char *pBuf = packet_data;
    unsigned short *pShort = 0;
    unsigned long *pLong = 0;
    long long *pLlong = 0;
 
    pBuf += 1;
    short res = htons(102);
    pShort = (unsigned short*)pBuf;
    *pShort = (short)res;
    pBuf += 3;
 
    pLong = (unsigned long*)pBuf;
    *pLong = (unsigned long)0x424d53fe;  //protocolId
    pBuf += 4;
    pShort = (unsigned short*)pBuf;
    *pShort = (unsigned short)64;       //size
    pBuf += 10;
    pShort = (unsigned short*)pBuf;
    *pShort = (unsigned short)2;        //creditRequest
    pBuf += 10;
    pLlong = (long long*)pBuf;
    *pLlong = (long long) 0;            //messageId
    pBuf += 40;
 
    pShort = (unsigned short*)pBuf;
    *pShort = (unsigned short)36;       //size
    pBuf += 2;
    pShort = (unsigned short*)pBuf;
    *pShort = (unsigned short)1;        //dialectCount
    pBuf += 2;
    pShort = (unsigned short*)pBuf;
    *pShort = (unsigned short)1;        //securityMode
    pBuf += 4;
    pLong = (unsigned long*)pBuf;
    *pLong = (unsigned long)0;          //capabilities
    pBuf += 4;
    unsigned char guid [16] {0xf6, 0xc0, 0xf6, 0xc5, 0x43, 0x0D, 0xc8, 0x90, 0x4f, 0x60, 0xab, 0xe8, 0x22, 0x34, 0x52, 0x00};
    //memcpy(pBuf, guid, 16);           //guid
    pBuf += 24;
    pShort = (unsigned short*)pBuf;
    *pShort = (unsigned short)0X0202;    //dialect    
 
    if(send(server, (const char*)packet_data, 106, 0)==SOCKET_ERROR)
    {
        std::cout << "Send failed with error: " << WSAGetLastError() << std::endl;
        return -1;
    }
 
    if(recv(server, buffer, sizeof(buffer), 0)==SOCKET_ERROR)
    {
        std::cout << "Recv failed with error: " << WSAGetLastError() << std::endl;
        return - 1;
    }
 
    //SMB2NegotiateResponsePacket *pPacket = (SMB2NegotiateResponsePacket *)&buffer;
    //std::cout << "Dialect : " << pPacket->mesResp.dialectRevision;
        
    WSACleanup();
}