diff --git a/jdk/make/common/shared/Compiler-msvc.gmk b/jdk/make/common/shared/Compiler-msvc.gmk
index af7dd101f7c..d6d7416bc15 100644
--- a/jdk/make/common/shared/Compiler-msvc.gmk
+++ b/jdk/make/common/shared/Compiler-msvc.gmk
@@ -53,7 +53,7 @@ ifndef CONFIGURE_BUILD
   
   # The VS2010 compiler is the same one used on both 32bit and 64bit
   ifeq ($(CC_MAJORVER), 16)
-    COMPILER_NAME=Microsoft Visual Studio 10 (16.00.30319.01)
+    COMPILER_NAME=Microsoft Visual Studio 10 (16.00.40219.01)
     COMPILER_VERSION=VS2010
     ifeq ($(WINDOWSSDKDIR),)
       WINDOWSSDKDIR := $(error WINDOWSSDKDIR cannot be empty here)
diff --git a/jdk/make/common/shared/Defs-versions.gmk b/jdk/make/common/shared/Defs-versions.gmk
index a3a53c5c048..31d09f08866 100644
--- a/jdk/make/common/shared/Defs-versions.gmk
+++ b/jdk/make/common/shared/Defs-versions.gmk
@@ -86,19 +86,17 @@ endif
 # REQUIRED_MAKE_VER
 #   The minimum version of GNU make.
 #
-# REQUIRED_MKS_VER
-#   Windows only: If MKS used instead of CYGWIN, the minimum version of MKS.
-#
 # REQUIRED_OS_VARIANT_NAME
 #   The OS variation name required.
 #     Solaris: Solaris or OpenSolaris
-#     Windows: Windows2000, WindowsXP, Windows2003, etc.
+#     Windows: Windows2000, WindowsXP, Windows2003, Windows2008R2, etc.
 #     Linux: Fedora, RedHat, SuSE, Ubuntu, etc.
 #
 # REQUIRED_OS_VARIANT_VERSION
 #   The version number associated with the above OS variant name.
 #     Solaris: output of uname -r
-#     Windows: 5.0 for Windows2000, 5.1 for WindowsXP, 5.2 for Windows2003, etc.
+#     Windows: 5.0 for Windows2000, 5.1 for WindowsXP,
+#              5.2 for Windows2003, 6.1 for Windows2008R2, etc.
 #     Linux: number for the variant, e.g. 9 for Fedora 9
 #
 # REQUIRED_OS_VERSION
@@ -180,21 +178,15 @@ endif
 # Windows specific
 ifeq ($(PLATFORM), windows)
   REQUIRED_OS_NAME            = Windows
-  ifeq ($(ARCH_DATA_MODEL),64)
-    REQUIRED_OS_VERSION       = 5.2
-    REQUIRED_OS_VARIANT_NAME  = Windows2003
-  else
-    REQUIRED_OS_VERSION       = 5.1
-    REQUIRED_OS_VARIANT_NAME  = WindowsXP
-  endif
+  REQUIRED_OS_VERSION         = 6.1
+  REQUIRED_OS_VARIANT_NAME    = Windows2008R2
   REQUIRED_OS_VARIANT_VERSION = $(REQUIRED_OS_VERSION)
   REQUIRED_CYGWIN_VER         = 4.0
-  REQUIRED_MKS_VER            = 6.1
   ifeq ($(CC_VERSION),msvc)
     REQUIRED_COMPILER_NAME    = Visual Studio 10
     REQUIRED_COMPILER_VERSION = VS2010
-    REQUIRED_CC_VER           = 16.00.30319.01
-    REQUIRED_LINK_VER         = 10.00.30319.01
+    REQUIRED_CC_VER           = 16.00.40219.01
+    REQUIRED_LINK_VER         = 10.00.40219.01
   endif
   ifeq ($(CC_VERSION),gcc)
     REQUIRED_CC_VER           = 3.4.3
diff --git a/jdk/make/common/shared/Sanity.gmk b/jdk/make/common/shared/Sanity.gmk
index a9f4692064a..66fab3524d3 100644
--- a/jdk/make/common/shared/Sanity.gmk
+++ b/jdk/make/common/shared/Sanity.gmk
@@ -121,11 +121,13 @@ ifeq ($(PLATFORM), macosx)
 endif
 
 ifeq ($(PLATFORM), windows)
-  # Windows 2000 is 5.0, Windows XP is 5.1, Windows 2003 is 5.2
+  # Windows 2000 is 5.0, Windows XP is 5.1,
+  # Windows 2003 is 5.2, Windows 7 and 2008R2 are 6.1
   #    Assume 5.0 (Windows 2000) if systeminfo does not help
   WINDOWS_MAPPING-5.0 := Windows2000
   WINDOWS_MAPPING-5.1 := WindowsXP
   WINDOWS_MAPPING-5.2 := Windows2003
+  WINDOWS_MAPPING-6.1 := Windows2008R2
   # What kind of system we are using (Variation is the common name)
   _OS_VERSION := \
     $(shell systeminfo 2> $(DEV_NULL) | \
@@ -180,7 +182,6 @@ include $(JDK_MAKE_SHARED_DIR)/Sanity-Settings.gmk
 	sane-linux \
 	sane-cygwin \
 	sane-cygwin-shell \
-	sane-mks \
 	sane-arch_data_model \
 	sane-os_patch_level \
 	sane-classpath \
@@ -317,7 +318,7 @@ ifndef OPENJDK
 endif # OPENJDK
 
 ifeq ($(PLATFORM), windows)
-  sane-os_version:: sane-cygwin sane-mks sane-cygwin-shell
+  sane-os_version:: sane-cygwin sane-cygwin-shell
 endif
 
 ######################################################
@@ -386,22 +387,6 @@ sane-cygwin-shell:
   endif
 endif
 
-######################################################
-# Check the Windows mks version
-######################################################
-ifeq ($(PLATFORM), windows)
-    MKS_CHECK :=$(call CheckVersions,$(MKS_VER),$(REQUIRED_MKS_VER))
-sane-mks:
-  ifdef USING_MKS
-    ifeq ($(MKS_CHECK),missing)
-	@$(call OfficialErrorMessage,MKS version,$(MKS_VER),$(REQUIRED_MKS_VER))
-    endif
-    ifeq ($(MKS_CHECK),older)
-	@$(call OfficialErrorMessage,MKS version,$(MKS_VER),$(REQUIRED_MKS_VER))
-    endif
-  endif
-endif
-
 ######################################################
 # Get list of installed patches (this file has a particular format)
 ######################################################