diff --git a/builds/msvc/vs2010/inproc_lat/inproc_lat.props b/builds/msvc/vs2010/inproc_lat/inproc_lat.props
index 6732c319..f4a9371e 100644
--- a/builds/msvc/vs2010/inproc_lat/inproc_lat.props
+++ b/builds/msvc/vs2010/inproc_lat/inproc_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/inproc_thr/inproc_thr.props b/builds/msvc/vs2010/inproc_thr/inproc_thr.props
index 70518a7b..494ae061 100644
--- a/builds/msvc/vs2010/inproc_thr/inproc_thr.props
+++ b/builds/msvc/vs2010/inproc_thr/inproc_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/libzmq/libzmq.props b/builds/msvc/vs2010/libzmq/libzmq.props
index d053dceb..a6986280 100644
--- a/builds/msvc/vs2010/libzmq/libzmq.props
+++ b/builds/msvc/vs2010/libzmq/libzmq.props
@@ -21,7 +21,7 @@
   
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
     </PreBuildEvent>
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
diff --git a/builds/msvc/vs2010/local_lat/local_lat.props b/builds/msvc/vs2010/local_lat/local_lat.props
index bf058718..3f4f641c 100644
--- a/builds/msvc/vs2010/local_lat/local_lat.props
+++ b/builds/msvc/vs2010/local_lat/local_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/local_thr/local_thr.props b/builds/msvc/vs2010/local_thr/local_thr.props
index 5d05fd6b..05779efe 100644
--- a/builds/msvc/vs2010/local_thr/local_thr.props
+++ b/builds/msvc/vs2010/local_thr/local_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/remote_lat/remote_lat.props b/builds/msvc/vs2010/remote_lat/remote_lat.props
index bed64a4a..c36dba6c 100644
--- a/builds/msvc/vs2010/remote_lat/remote_lat.props
+++ b/builds/msvc/vs2010/remote_lat/remote_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2010/remote_thr/remote_thr.props b/builds/msvc/vs2010/remote_thr/remote_thr.props
index 5a52f4cd..2bc1832e 100644
--- a/builds/msvc/vs2010/remote_thr/remote_thr.props
+++ b/builds/msvc/vs2010/remote_thr/remote_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/inproc_lat/inproc_lat.props b/builds/msvc/vs2012/inproc_lat/inproc_lat.props
index 6732c319..f4a9371e 100644
--- a/builds/msvc/vs2012/inproc_lat/inproc_lat.props
+++ b/builds/msvc/vs2012/inproc_lat/inproc_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/inproc_thr/inproc_thr.props b/builds/msvc/vs2012/inproc_thr/inproc_thr.props
index 70518a7b..494ae061 100644
--- a/builds/msvc/vs2012/inproc_thr/inproc_thr.props
+++ b/builds/msvc/vs2012/inproc_thr/inproc_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/libzmq/libzmq.props b/builds/msvc/vs2012/libzmq/libzmq.props
index d053dceb..a6986280 100644
--- a/builds/msvc/vs2012/libzmq/libzmq.props
+++ b/builds/msvc/vs2012/libzmq/libzmq.props
@@ -21,7 +21,7 @@
   
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
     </PreBuildEvent>
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
diff --git a/builds/msvc/vs2012/local_lat/local_lat.props b/builds/msvc/vs2012/local_lat/local_lat.props
index bf058718..3f4f641c 100644
--- a/builds/msvc/vs2012/local_lat/local_lat.props
+++ b/builds/msvc/vs2012/local_lat/local_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/local_thr/local_thr.props b/builds/msvc/vs2012/local_thr/local_thr.props
index 5d05fd6b..05779efe 100644
--- a/builds/msvc/vs2012/local_thr/local_thr.props
+++ b/builds/msvc/vs2012/local_thr/local_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/remote_lat/remote_lat.props b/builds/msvc/vs2012/remote_lat/remote_lat.props
index bed64a4a..c36dba6c 100644
--- a/builds/msvc/vs2012/remote_lat/remote_lat.props
+++ b/builds/msvc/vs2012/remote_lat/remote_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2012/remote_thr/remote_thr.props b/builds/msvc/vs2012/remote_thr/remote_thr.props
index 5a52f4cd..2bc1832e 100644
--- a/builds/msvc/vs2012/remote_thr/remote_thr.props
+++ b/builds/msvc/vs2012/remote_thr/remote_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/inproc_lat/inproc_lat.props b/builds/msvc/vs2013/inproc_lat/inproc_lat.props
index 6732c319..f4a9371e 100644
--- a/builds/msvc/vs2013/inproc_lat/inproc_lat.props
+++ b/builds/msvc/vs2013/inproc_lat/inproc_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/inproc_thr/inproc_thr.props b/builds/msvc/vs2013/inproc_thr/inproc_thr.props
index 70518a7b..494ae061 100644
--- a/builds/msvc/vs2013/inproc_thr/inproc_thr.props
+++ b/builds/msvc/vs2013/inproc_thr/inproc_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/libzmq/libzmq.props b/builds/msvc/vs2013/libzmq/libzmq.props
index d053dceb..a6986280 100644
--- a/builds/msvc/vs2013/libzmq/libzmq.props
+++ b/builds/msvc/vs2013/libzmq/libzmq.props
@@ -21,7 +21,7 @@
   
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\src\</Command>
     </PreBuildEvent>
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)..\..\..\..\include\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
diff --git a/builds/msvc/vs2013/local_lat/local_lat.props b/builds/msvc/vs2013/local_lat/local_lat.props
index bf058718..3f4f641c 100644
--- a/builds/msvc/vs2013/local_lat/local_lat.props
+++ b/builds/msvc/vs2013/local_lat/local_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/local_thr/local_thr.props b/builds/msvc/vs2013/local_thr/local_thr.props
index 5d05fd6b..05779efe 100644
--- a/builds/msvc/vs2013/local_thr/local_thr.props
+++ b/builds/msvc/vs2013/local_thr/local_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/remote_lat/remote_lat.props b/builds/msvc/vs2013/remote_lat/remote_lat.props
index bed64a4a..c36dba6c 100644
--- a/builds/msvc/vs2013/remote_lat/remote_lat.props
+++ b/builds/msvc/vs2013/remote_lat/remote_lat.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/builds/msvc/vs2013/remote_thr/remote_thr.props b/builds/msvc/vs2013/remote_thr/remote_thr.props
index 5a52f4cd..2bc1832e 100644
--- a/builds/msvc/vs2013/remote_thr/remote_thr.props
+++ b/builds/msvc/vs2013/remote_thr/remote_thr.props
@@ -11,7 +11,7 @@
 
   <ItemDefinitionGroup>
     <PreBuildEvent>
-      <Command>copy $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
+      <Command>xcopy /c /y $(ProjectDir)..\..\platform.hpp $(ProjectDir)..\..\..\..\perf\</Command>
     </PreBuildEvent>
     <Link>
       <AdditionalDependencies>Advapi32.lib;Rpcrt4.lib;Ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>