diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Object Definitions/BACnet Object Definitions.vcproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Object Definitions/BACnet Object Definitions.vcproj
index ee65f3c5..14316a78 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Object Definitions/BACnet Object Definitions.vcproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Object Definitions/BACnet Object Definitions.vcproj	
@@ -41,7 +41,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;;..\..\..\..\demo\object"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -105,7 +105,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				EnableIntrinsicFunctions="true"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;;..\..\..\..\demo\object"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Stack Development.sln b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Stack Development.sln
index e1f4d52a..42ad236e 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Stack Development.sln	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Stack Development.sln	
@@ -29,6 +29,12 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "epics", "epics\epics.vcproj
 		{6A8668E1-F08E-496B-B624-D6C05001806D} = {6A8668E1-F08E-496B-B624-D6C05001806D}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "mstpcap", "mstpcap\mstpcap.vcproj", "{3C334401-9F69-4770-8A08-EB0DE5F6470F}"
+	ProjectSection(ProjectDependencies) = postProject
+		{E9A65567-B028-4278-881D-674604B2E126} = {E9A65567-B028-4278-881D-674604B2E126}
+		{6A8668E1-F08E-496B-B624-D6C05001806D} = {6A8668E1-F08E-496B-B624-D6C05001806D}
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -59,6 +65,10 @@ Global
 		{0C3841EA-9078-416D-B649-3156512E87E1}.Debug|Win32.Build.0 = Debug|Win32
 		{0C3841EA-9078-416D-B649-3156512E87E1}.Release|Win32.ActiveCfg = Release|Win32
 		{0C3841EA-9078-416D-B649-3156512E87E1}.Release|Win32.Build.0 = Release|Win32
+		{3C334401-9F69-4770-8A08-EB0DE5F6470F}.Debug|Win32.ActiveCfg = Debug|Win32
+		{3C334401-9F69-4770-8A08-EB0DE5F6470F}.Debug|Win32.Build.0 = Debug|Win32
+		{3C334401-9F69-4770-8A08-EB0DE5F6470F}.Release|Win32.ActiveCfg = Release|Win32
+		{3C334401-9F69-4770-8A08-EB0DE5F6470F}.Release|Win32.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Stack Library/BACnet Stack Library.vcproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Stack Library/BACnet Stack Library.vcproj
index 9792c8bf..a1984cb2 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Stack Library/BACnet Stack Library.vcproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/BACnet Stack Library/BACnet Stack Library.vcproj	
@@ -41,7 +41,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..;..\..\..\..\include;..\..\..\..\demo\object;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -106,7 +106,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				EnableIntrinsicFunctions="true"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..;..\..\..\..\include;..\..\..\..\demo\object;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
@@ -838,14 +838,6 @@
 			<File
 				RelativePath="..\..\..\..\src\mstp.c"
 				>
-				<FileConfiguration
-					Name="Release|Win32"
-					>
-					<Tool
-						Name="VCCLCompilerTool"
-						UsePrecompiledHeader="0"
-					/>
-				</FileConfiguration>
 			</File>
 			<File
 				RelativePath="..\..\..\..\src\mstptext.c"
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/Server/Server.vcproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/Server/Server.vcproj
index ad7fa5a7..85bc075a 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/Server/Server.vcproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/Server/Server.vcproj	
@@ -41,7 +41,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..\..\..\demo\object;..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -116,7 +116,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				EnableIntrinsicFunctions="true"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..\..\..\demo\object;..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/Who-Is/Who-Is.vcproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/Who-Is/Who-Is.vcproj
index 66417360..1485a86e 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/Who-Is/Who-Is.vcproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/Who-Is/Who-Is.vcproj	
@@ -41,7 +41,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..\..\..\demo\object;..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/epics/epics.vcproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/epics/epics.vcproj
new file mode 100644
index 00000000..0cb1bd5d
--- /dev/null
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/epics/epics.vcproj	
@@ -0,0 +1,205 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="9.00"
+	Name="epics"
+	ProjectGUID="{0C3841EA-9078-416D-B649-3156512E87E1}"
+	RootNamespace="epics"
+	Keyword="Win32Proj"
+	TargetFrameworkVersion="196613"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			CharacterSet="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories="..\..;..\..\..\..\demo\object;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="ws2_32.lib iphlpapi.lib"
+				LinkIncremental="2"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			CharacterSet="1"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="2"
+				EnableIntrinsicFunctions="true"
+				AdditionalIncludeDirectories="..\..;..\..\..\..\demo\object;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+				RuntimeLibrary="2"
+				EnableFunctionLevelLinking="true"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="ws2_32.lib iphlpapi.lib"
+				LinkIncremental="1"
+				GenerateDebugInformation="true"
+				SubSystem="1"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath="..\..\bip-init.c"
+				>
+			</File>
+			<File
+				RelativePath="..\..\..\..\demo\epics\main.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath="..\..\..\..\demo\epics\bacepics.h"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Resource Files"
+			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
+			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
+			>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/gateway/gateway.vcproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/gateway/gateway.vcproj
index ecf1dc4a..07a44de2 100644
--- a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/gateway/gateway.vcproj	
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/gateway/gateway.vcproj	
@@ -41,7 +41,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..\..\..\demo\object;..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -116,7 +116,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				EnableIntrinsicFunctions="true"
-				AdditionalIncludeDirectories="..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				AdditionalIncludeDirectories="..\..\..\..\demo\object;..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
@@ -178,6 +178,14 @@
 				RelativePath="..\..\bip-init.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\..\demo\object\gw_device.c"
+				>
+			</File>
+			<File
+				RelativePath="..\..\..\..\demo\handler\h_whohas.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\..\demo\gateway\main.c"
 				>
diff --git a/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/mstpcap/mstpcap.vcproj b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/mstpcap/mstpcap.vcproj
new file mode 100644
index 00000000..be518ec2
--- /dev/null
+++ b/bacnet-stack/ports/win32/Microsoft Visual Studio 2008/mstpcap/mstpcap.vcproj	
@@ -0,0 +1,200 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="9.00"
+	Name="mstpcap"
+	ProjectGUID="{3C334401-9F69-4770-8A08-EB0DE5F6470F}"
+	RootNamespace="mstpcap"
+	TargetFrameworkVersion="196613"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories="..\..\..\..\demo\object;..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="3"
+				WarningLevel="3"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="winmm.lib ws2_32.lib iphlpapi.lib"
+				GenerateDebugInformation="true"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="1"
+			CharacterSet="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="2"
+				EnableIntrinsicFunctions="true"
+				AdditionalIncludeDirectories="..\..\..\..\demo\object;..\..;..\..\..\..\include;&quot;H:\Program Files\Microsoft SDKs\Windows\v5.0\Include&quot;"
+				RuntimeLibrary="2"
+				EnableFunctionLevelLinking="true"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="mmlib.lib"
+				GenerateDebugInformation="true"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath="..\..\..\..\demo\mstpcap\main.c"
+				>
+			</File>
+			<File
+				RelativePath="..\..\rs485.c"
+				>
+			</File>
+			<File
+				RelativePath="..\..\timer.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath="..\..\timer.h"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Resource Files"
+			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
+			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
+			>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>
diff --git a/bacnet-stack/ports/win32/timer.c b/bacnet-stack/ports/win32/timer.c
index 409b93b5..f32bbeef 100644
--- a/bacnet-stack/ports/win32/timer.c
+++ b/bacnet-stack/ports/win32/timer.c
@@ -29,6 +29,7 @@
 #define WIN32_LEAN_AND_MEAN
 #define STRICT 1
 #include <windows.h>
+#include "net.h"
 #include <MMSystem.h>
 #include "timer.h"