diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet Solution Settings.props b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet Solution Settings.props
index c5c54a8a..3ce92a30 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet Solution Settings.props	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet Solution Settings.props	
@@ -11,10 +11,11 @@
       <PreprocessorDefinitions>_DEBUG;_CONSOLE;PRINT_ENABLED=1;BIP_DEBUG;INTRINSIC_REPORTING=1;BBMD_ENABLED=1;DEBUG_ENABLED=1;BACFILE;WIN32;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>
-      <WarningLevel>Level3</WarningLevel>
+      <WarningLevel>Level4</WarningLevel>
       <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories></AdditionalIncludeDirectories>
-      <DisableSpecificWarnings>4245;4389;4244;4996;4018;4100;4267;4701;4244;4100;4701;4214;4244;4267;4189;4100;4701</DisableSpecificWarnings>
+      <AdditionalIncludeDirectories>
+      </AdditionalIncludeDirectories>
+      <DisableSpecificWarnings>4214;4245;4389;4244;4996;4018;4100;4267;4701;4189;</DisableSpecificWarnings>
       <CompileAs>CompileAsC</CompileAs>
     </ClCompile>
   </ItemDefinitionGroup>
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Handler_Library/BACnet_Handler_Library.vcxproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Handler_Library/BACnet_Handler_Library.vcxproj
index a7c0eb6b..79a654d1 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Handler_Library/BACnet_Handler_Library.vcxproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Handler_Library/BACnet_Handler_Library.vcxproj	
@@ -75,9 +75,7 @@
     <Import Project="..\BACnet Solution Settings.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <IncludePath>$(VC_IncludePath);$(UniversalCRT_IncludePath);$(WindowsSDK_IncludePath);</IncludePath>
-  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <IncludePath>$(VC_IncludePath);$(UniversalCRT_IncludePath);$(WindowsSDK_IncludePath);</IncludePath>
   </PropertyGroup>
@@ -91,8 +89,6 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <DisableSpecificWarnings>
-      </DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Object_Definitions/BACnet_Object_Definitions.vcxproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Object_Definitions/BACnet_Object_Definitions.vcxproj
index 23d01f39..de5fb293 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Object_Definitions/BACnet_Object_Definitions.vcxproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Object_Definitions/BACnet_Object_Definitions.vcxproj	
@@ -77,9 +77,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <IncludePath>$(VC_IncludePath);$(UniversalCRT_IncludePath);$(WindowsSDK_IncludePath);</IncludePath>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <IncludePath>$(VC_IncludePath);$(UniversalCRT_IncludePath);$(WindowsSDK_IncludePath);</IncludePath>
-  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <IncludePath>$(VC_IncludePath);$(UniversalCRT_IncludePath);$(WindowsSDK_IncludePath);</IncludePath>
   </PropertyGroup>
@@ -90,8 +88,6 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <DisableSpecificWarnings>
-      </DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Stack_Library/BACnet_Stack_Library.vcxproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Stack_Library/BACnet_Stack_Library.vcxproj
index 5405a6e6..2fc48326 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Stack_Library/BACnet_Stack_Library.vcxproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/BACnet_Stack_Library/BACnet_Stack_Library.vcxproj	
@@ -75,9 +75,7 @@
     <Import Project="..\BACnet Solution Settings.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <IncludePath>$(VC_IncludePath);$(UniversalCRT_IncludePath);$(WindowsSDK_IncludePath);</IncludePath>
-  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <LibraryPath>$(VC_LibraryPath_x86);$(UniversalCRT_LibraryPath_x86);$(WindowsSDK_LibraryPath_x86);$(NETFXKitsDir)Lib\um\x86;</LibraryPath>
     <IncludePath>$(VC_IncludePath);$(UniversalCRT_IncludePath);$(WindowsSDK_IncludePath);</IncludePath>
@@ -92,8 +90,6 @@
     <ClCompile>
       <PrecompiledHeader>
       </PrecompiledHeader>
-      <DisableSpecificWarnings>
-      </DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/Server/Server.vcxproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/Server/Server.vcxproj
index c25901d7..adfedc51 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/Server/Server.vcxproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2015/Server/Server.vcxproj	
@@ -75,9 +75,7 @@
     <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
     <LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</LinkIncremental>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <IncludePath>..\..;..\..\..\..\include;..\..\..\..\demo\object;..\..\..\..\demo\handler;$(IncludePath)</IncludePath>
-  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <IncludePath>..\..;..\..\..\..\include;..\..\..\..\demo\object;..\..\..\..\demo\handler;$(IncludePath)</IncludePath>
   </PropertyGroup>