diff --git a/xCAT/postscripts/upflag/upflag.cpp b/xCAT/postscripts/upflag/upflag.cpp
new file mode 100755
index 000000000..001fedba9
--- /dev/null
+++ b/xCAT/postscripts/upflag/upflag.cpp
@@ -0,0 +1,131 @@
+
+#include "winsock2.h"
+#include "ws2tcpip.h"
+#include "windows.h"
+#include "stdio.h" 
+#pragma comment (lib,"ws2_32.lib")
+
+void Usage()
+{
+printf("upflag Ver 0.0.0.1\n");
+printf("\nusage:     upflag [hostname][port_number][test_to_send]\n");
+
+printf("\nExamples:");
+printf("\nupflag some_hostname 5000 ready");
+printf("\nupflag some_hostname 5000 \"I am ready\"");
+printf("\nupflag 192.168.0.1 5000 ready\n\n");
+
+}
+
+int SendMsg(SOCKET conn_socket, TCHAR *szMsg)
+{
+TCHAR szIncomingMsg[255];
+
+szMsg[lstrlen(szMsg)]= '\n\0';
+
+recv(conn_socket, szIncomingMsg, sizeof(szIncomingMsg),0);
+
+printf("\nrecv %s Len: %d ", szIncomingMsg, (int)strlen(szIncomingMsg));
+
+if(strstr(strlwr(szIncomingMsg), "ready") == NULL)
+	return 1;
+
+send(conn_socket, (const char *)szMsg, (int)strlen((const char *)szMsg), 0);
+
+lstrcpy(szIncomingMsg, "");
+recv(conn_socket, szIncomingMsg, sizeof(szIncomingMsg),0);
+
+printf("\nsend %s Len: %d ", szMsg, strlen((const char *)szMsg));
+printf("\nrecv %s Len: %d ", szIncomingMsg, (int)strlen(szIncomingMsg));
+
+if(strstr(strlwr(szIncomingMsg), "done") != NULL)
+	return 0;
+else
+	return 1;
+
+}
+
+int main(int argc, TCHAR* argv[])
+{
+SOCKET  conn_socket;  
+struct hostent *hp;
+struct addrinfo *targets;
+struct addrinfo *target;
+unsigned int addr;
+struct sockaddr_in sa;
+WSADATA wsaData;
+int iPort;
+DWORD errval;
+
+if((argc < 2) || (lstrcmpi(argv[1] ,"/?") == 0) || (lstrcmpi(argv[1] ,"-?") == 0))
+{
+	Usage();
+	return 1;
+}
+
+if(argc == 1)
+{
+	Usage();
+}
+
+
+if (WSAStartup(0x0101,&wsaData) == SOCKET_ERROR) 
+{
+	WSACleanup();
+	printf("WSAStartup failed with error %d\n",WSAGetLastError());
+	return 1;
+}
+
+errval=getaddrinfo(argv[1],argv[2],NULL,&targets);
+/*
+if((hp = gethostbyname((LPCSTR)argv[1])) == NULL)
+{
+	addr = inet_addr((LPCSTR)argv[1]);
+	hp = gethostbyaddr((LPCSTR)&addr,4,AF_INET);
+}
+*/
+
+iPort = atoi((LPCSTR)argv[2]);
+
+conn_socket = socket(targets->ai_family, SOCK_STREAM, 0);
+if (conn_socket == INVALID_SOCKET) {
+	printf("My life is a lie!\n");
+}
+
+printf("\nConnecting... \n");
+
+int z = connect(conn_socket, targets->ai_addr, targets->ai_addrlen);
+printf("ok\n");
+
+if(z == SOCKET_ERROR)
+{
+//	z = connect(conn_socket, (struct sockaddr*)&sa, sizeof(sa));
+
+	if(z == SOCKET_ERROR)
+	{
+		printf("\nUnable to connect to host.");
+		printf("\nWSAStartup failed with error %d\n",WSAGetLastError());
+		return 1;
+	}
+	else
+	{
+		printf("connection was successfull.\n");
+	}
+}
+else
+{
+	printf("connection was successful.\n");
+}
+
+if(SendMsg(conn_socket, argv[3]) == 0)
+{
+	WSACleanup();
+	return 0;
+}
+else
+{
+	WSACleanup();
+	return 1;
+}
+
+}