diff --git a/Release/samples/BingRequest/BingRequest120.xp/BingRequest120.xp.vcxproj b/Release/samples/BingRequest/BingRequest120.xp/BingRequest120.xp.vcxproj
index d4e878ee46..67d605f1f9 100644
--- a/Release/samples/BingRequest/BingRequest120.xp/BingRequest120.xp.vcxproj
+++ b/Release/samples/BingRequest/BingRequest120.xp/BingRequest120.xp.vcxproj
@@ -62,7 +62,7 @@
       <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>CPPREST_TARGET_XP;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>CPPREST_TARGET_XP;WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(CasablancaIncludeDir)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
     </ClCompile>
@@ -76,7 +76,7 @@
       <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>CPPREST_TARGET_XP;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>CPPREST_TARGET_XP;WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(CasablancaIncludeDir)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
     </ClCompile>
@@ -92,7 +92,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>CPPREST_TARGET_XP;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>CPPREST_TARGET_XP;WIN32;NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(CasablancaIncludeDir)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
     </ClCompile>
@@ -110,7 +110,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>CPPREST_TARGET_XP;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>CPPREST_TARGET_XP;WIN32;NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(CasablancaIncludeDir)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
     </ClCompile>
diff --git a/Release/samples/BingRequest/BingRequest120/BingRequest120.vcxproj b/Release/samples/BingRequest/BingRequest120/BingRequest120.vcxproj
index 1bf0f1287c..981088f76d 100644
--- a/Release/samples/BingRequest/BingRequest120/BingRequest120.vcxproj
+++ b/Release/samples/BingRequest/BingRequest120/BingRequest120.vcxproj
@@ -72,7 +72,7 @@
 	  <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(CasablancaIncludeDir)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
     </ClCompile>
@@ -86,7 +86,7 @@
 	  <AdditionalOptions>/bigobj %(AdditionalOptions)</AdditionalOptions>
       <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(CasablancaIncludeDir)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
     </ClCompile>
@@ -102,7 +102,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(CasablancaIncludeDir)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
     </ClCompile>
@@ -120,7 +120,7 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>$(CasablancaIncludeDir)</AdditionalIncludeDirectories>
       <ExceptionHandling>Async</ExceptionHandling>
     </ClCompile>