--- a/src/os/win32/ngx_socket.c
+++ b/src/os/win32/ngx_socket.c
@@ -1,19 +1,75 @@
+
 #include <ngx_config.h>
 
+#include <ngx_core.h>
 #include <ngx_log.h>
 #include <ngx_errno.h>
 #include <ngx_socket.h>
 
 
-void ngx_init_sockets(ngx_log_t *log)
+/* These pointers should be per protocol ? */
+LPFN_ACCEPTEX              AcceptEx;
+LPFN_GETACCEPTEXSOCKADDRS  GetAcceptExSockaddrs;
+LPFN_TRANSMITFILE          TransmitFile;
+
+static GUID ae_guid = WSAID_ACCEPTEX;
+static GUID as_guid = WSAID_GETACCEPTEXSOCKADDRS;
+static GUID tf_guid = WSAID_TRANSMITFILE;
+
+
+int ngx_init_sockets(ngx_log_t *log)
 {
+    DWORD    bytes;
+    SOCKET   s;
     WSADATA  wsd;
 
-    if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
+    if (WSAStartup(MAKEWORD(2,2), &wsd) != 0) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      "WSAStartup failed");
+        return NGX_ERROR;
+    }
+
+    s = ngx_socket(AF_INET, SOCK_STREAM, IPPROTO_IP, 0);
+    if (s == -1) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      ngx_socket_n " %s falied");
+        return NGX_ERROR;
+    }
+
+    if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &ae_guid, sizeof(GUID),
+                 &AcceptEx, sizeof(LPFN_ACCEPTEX), &bytes, NULL, NULL) == -1) {
+
         ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
-                      "ngx_init_sockets: WSAStartup failed");
+                      "WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
+                               "WSAID_ACCEPTEX) failed");
+        return NGX_ERROR;
+    }
+
+    if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &as_guid, sizeof(GUID),
+                 &GetAcceptExSockaddrs, sizeof(LPFN_GETACCEPTEXSOCKADDRS),
+                 &bytes, NULL, NULL) == -1) {
+
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      "WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
+                               "WSAID_ACCEPTEX) failed");
+        return NGX_ERROR;
+    }
 
-    /* get AcceptEx(), TransmitFile() functions */
+    if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER, &tf_guid, sizeof(GUID),
+                 &TransmitFile, sizeof(LPFN_TRANSMITFILE), &bytes,
+                                                           NULL, NULL) == -1) {
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      "WSAIoctl(SIO_GET_EXTENSION_FUNCTION_POINTER, "
+                               "WSAID_TRANSMITFILE) failed");
+        return NGX_ERROR;
+    }
+
+    if (ngx_close_socket(s) == -1) {
+        ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
+                      ngx_close_socket_n " failed");
+    }
+
+    return NGX_OK;
 }
 
 int ngx_nonblocking(ngx_socket_t s)