diff --git a/iis/build_msi.bat b/iis/build_msi.bat
index 10d1b295..c4748233 100644
--- a/iis/build_msi.bat
+++ b/iis/build_msi.bat
@@ -5,16 +5,16 @@ set CURRENT_DIR=%cd%
 
 del installer.wix*
 
-"candle.exe" -ext WixUtilExtension -ext WixUIExtension "%CURRENT_DIR%\installer.wxs" -out "%CURRENT_DIR%\installer.wixobj" -dPlatform="x64"
+"candle.exe" -ext WixUtilExtension -ext WixUIExtension "%CURRENT_DIR%\installer.wxs" -out "%CURRENT_DIR%\installer.wixobj" -arch x64
 @if NOT (%ERRORLEVEL%) == (0) goto build_failed
 
-"light.exe" -ext WixUtilExtension -ext WixUIExtension "%CURRENT_DIR%\installer.wixobj" -out "%CURRENT_DIR%\installer-64.msi" -dPlatform="x64"
+"light.exe" -ext WixUtilExtension -ext WixUIExtension "%CURRENT_DIR%\installer.wixobj" -out "%CURRENT_DIR%\installer-64.msi" -arch x64
 @if NOT (%ERRORLEVEL%) == (0) goto build_failed
 
-"candle.exe" -ext WixUtilExtension -ext WixUIExtension "%CURRENT_DIR%\installer.wxs" -out "%CURRENT_DIR%\installer.wixobj" -dPlatform="x86"
+"candle.exe" -ext WixUtilExtension -ext WixUIExtension "%CURRENT_DIR%\installer.wxs" -out "%CURRENT_DIR%\installer.wixobj" -arch x86
 @if NOT (%ERRORLEVEL%) == (0) goto build_failed
 
-"light.exe" -ext WixUtilExtension -ext WixUIExtension "%CURRENT_DIR%\installer.wixobj" -out "%CURRENT_DIR%\installer-32.msi" -dPlatform="x86"
+"light.exe" -ext WixUtilExtension -ext WixUIExtension "%CURRENT_DIR%\installer.wixobj" -out "%CURRENT_DIR%\installer-32.msi" -arch x86
 @if NOT (%ERRORLEVEL%) == (0) goto build_failed
 
 exit /B 0
diff --git a/iis/wix/Microsoft_VC120_CRT_x64.msm b/iis/wix/Microsoft_VC120_CRT_x64.msm
new file mode 100644
index 00000000..f2c388f3
Binary files /dev/null and b/iis/wix/Microsoft_VC120_CRT_x64.msm differ
diff --git a/iis/wix/Microsoft_VC120_CRT_x86.msm b/iis/wix/Microsoft_VC120_CRT_x86.msm
new file mode 100644
index 00000000..a1bee663
Binary files /dev/null and b/iis/wix/Microsoft_VC120_CRT_x86.msm differ