diff --git a/src/engine/build.bat b/src/engine/build.bat
index 0fdb804b6..e0e742da2 100644
--- a/src/engine/build.bat
+++ b/src/engine/build.bat
@@ -365,7 +365,7 @@ if NOT "_%BOOST_JAM_TOOLSET_ROOT%_" == "__" (
     if "_%VCINSTALLDIR%_" == "__" (
         set "PATH=%BOOST_JAM_TOOLSET_ROOT%bin;%PATH%"
         ) )
-set "BOOST_JAM_CC=cl /nologo /RTC1 /Zi /MTd /Fobootstrap/ /Fdbootstrap/ -DNT -DYYDEBUG -wd4996 kernel32.lib advapi32.lib user32.lib"
+set "BOOST_JAM_CC=cl /nologo /RTC1 /Zi /MTd /Fobootstrap/ /Fdbootstrap/ -DWINVER=0x0501 -D_WIN32_WINNT=0x0501 -DNT -DYYDEBUG -wd4996 kernel32.lib advapi32.lib user32.lib"
 set "BOOST_JAM_OPT_JAM=/Febootstrap\jam0"
 set "BOOST_JAM_OPT_MKJAMBASE=/Febootstrap\mkjambase0"
 set "BOOST_JAM_OPT_YYACC=/Febootstrap\yyacc0"
diff --git a/src/engine/builtins.c b/src/engine/builtins.c
index 0bf2d3cca..0a776c44f 100644
--- a/src/engine/builtins.c
+++ b/src/engine/builtins.c
@@ -38,7 +38,19 @@
  */
 #include <winioctl.h>
 #endif
+
+/* With VC8 (VS2005) these are not defined:
+ *   FSCTL_GET_REPARSE_POINT  (expects WINVER >= 0x0500 _WIN32_WINNT >= 0x0500 )
+ *   IO_REPARSE_TAG_SYMLINK   (is part of a separate Driver SDK)
+ * So define them explicitily to their expected values.
+ */
+#ifndef FSCTL_GET_REPARSE_POINT
+# define FSCTL_GET_REPARSE_POINT 0x000900a8
 #endif
+#ifndef IO_REPARSE_TAG_SYMLINK
+# define IO_REPARSE_TAG_SYMLINK	(0xA000000CL)
+#endif
+#endif /* OS_NT */
 
 #if defined(USE_EXECUNIX)
 # include <sys/types.h>