diff --git a/qga/installer/qemu-ga.wxs b/qga/installer/qemu-ga.wxs
index 46ae9e7a13..df572adb4a 100644
--- a/qga/installer/qemu-ga.wxs
+++ b/qga/installer/qemu-ga.wxs
@@ -122,6 +122,10 @@
               <RegistryValue Type="integer" Name="TypesSupported" Value="7" />
               <RegistryValue Type="string" Name="EventMessageFile" Value="[qemu_ga_directory]qemu-ga.exe" />
             </RegistryKey>
+            <RegistryKey Root="HKLM"
+                         Key="System\CurrentControlSet\Services\QEMU Guest Agent VSS Provider">
+              <RegistryValue Type="integer" Name="VssOption" Value="1" />
+            </RegistryKey>
           </Component>
         </Directory>
       </Directory>