diff --git a/projectfiles/VC14/campaignd.vcxproj b/projectfiles/VC14/campaignd.vcxproj
index 5623703d7525..8b15753b5523 100644
--- a/projectfiles/VC14/campaignd.vcxproj
+++ b/projectfiles/VC14/campaignd.vcxproj
@@ -47,7 +47,7 @@
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>..\..\src;..\..\..\external\include</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WINXP;_SCL_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WIN7;_SCL_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4244;4127</DisableSpecificWarnings>
     </ClCompile>
     <Link>
diff --git a/projectfiles/VC14/wesnoth.vcxproj b/projectfiles/VC14/wesnoth.vcxproj
index 1da2c6cd61c3..d20e4c2b2b54 100644
--- a/projectfiles/VC14/wesnoth.vcxproj
+++ b/projectfiles/VC14/wesnoth.vcxproj
@@ -119,7 +119,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src;..\..\..\external\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WINXP;HAVE_PYTHON;USE_GZIP;NO_HAVE_FRIBIDI;HAVE_LIBPNG;NOMINMAX;_SCL_SECURE_NO_WARNINGS;DEBUG_LUA;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WIN7;HAVE_PYTHON;USE_GZIP;NO_HAVE_FRIBIDI;HAVE_LIBPNG;NOMINMAX;_SCL_SECURE_NO_WARNINGS;DEBUG_LUA;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>UninitializedLocalUsageCheck</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
@@ -199,7 +199,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src;..\..\..\external\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WINXP;HAVE_PYTHON;USE_GZIP;NO_HAVE_FRIBIDI;HAVE_LIBPNG;NOMINMAX;_SCL_SECURE_NO_WARNINGS;DEBUG_LUA;MSVC_DO_UNIT_TESTS;BOOST_TEST_DYN_LINK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WIN7;HAVE_PYTHON;USE_GZIP;NO_HAVE_FRIBIDI;HAVE_LIBPNG;NOMINMAX;_SCL_SECURE_NO_WARNINGS;DEBUG_LUA;MSVC_DO_UNIT_TESTS;BOOST_TEST_DYN_LINK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
@@ -235,7 +235,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <WholeProgramOptimization>false</WholeProgramOptimization>
       <AdditionalIncludeDirectories>..\..\src;..\..\..\external\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WINXP;HAVE_PYTHON;USE_GZIP;NO_HAVE_FRIBIDI;HAVE_LIBPNG;NOMINMAX;_SCL_SECURE_NO_WARNINGS;MSVC_DO_UNIT_TESTS;BOOST_TEST_DYN_LINK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WIN7;HAVE_PYTHON;USE_GZIP;NO_HAVE_FRIBIDI;HAVE_LIBPNG;NOMINMAX;_SCL_SECURE_NO_WARNINGS;MSVC_DO_UNIT_TESTS;BOOST_TEST_DYN_LINK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <FunctionLevelLinking>true</FunctionLevelLinking>
@@ -281,7 +281,7 @@
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <WholeProgramOptimization>false</WholeProgramOptimization>
       <AdditionalIncludeDirectories>..\..\src;..\..\..\external\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WINXP;HAVE_PYTHON;USE_GZIP;NO_HAVE_FRIBIDI;HAVE_LIBPNG;NOMINMAX;_SCL_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WIN7;HAVE_PYTHON;USE_GZIP;NO_HAVE_FRIBIDI;HAVE_LIBPNG;NOMINMAX;_SCL_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <FunctionLevelLinking>true</FunctionLevelLinking>
diff --git a/projectfiles/VC14/wesnothd.vcxproj b/projectfiles/VC14/wesnothd.vcxproj
index 7d3ecc94f079..f563ddfc361a 100644
--- a/projectfiles/VC14/wesnothd.vcxproj
+++ b/projectfiles/VC14/wesnothd.vcxproj
@@ -84,7 +84,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src;..\..\..\external\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WINXP;HAVE_PYTHON;USE_GZIP;NOMINMAX;_SCL_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_DEBUG;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WIN7;HAVE_PYTHON;USE_GZIP;NOMINMAX;_SCL_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>false</MinimalRebuild>
       <BasicRuntimeChecks>UninitializedLocalUsageCheck</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -141,7 +141,7 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>..\..\src;..\..\..\external\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WINXP;HAVE_PYTHON;USE_GZIP;NOMINMAX;_SCL_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_WINSOCK_DEPRECATED_NO_WARNINGS;BOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE;_WINDOWS;_CRT_SECURE_NO_WARNINGS;_WIN32_WINNT=_WIN32_WINNT_WIN7;HAVE_PYTHON;USE_GZIP;NOMINMAX;_SCL_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <OpenMPSupport>true</OpenMPSupport>