Index: /trunk/src/VBox/Main/UnattendedTemplates/win_nt5_unattended.sif
===================================================================
--- /trunk/src/VBox/Main/UnattendedTemplates/win_nt5_unattended.sif	(revision 68256)
+++ /trunk/src/VBox/Main/UnattendedTemplates/win_nt5_unattended.sif	(revision 68257)
@@ -36,11 +36,11 @@
 
 [RegionalSettings]
-; TODO: Make language groups configurable?
-;   LanguageGroup=1,2,3,4,5 - needed for us+russian?
-    LanguageGroup=1
-; TODO: Make system+user locale configurable.
+; ; TODO: If we implement locales below, we must also install the necessary language groups here. Fun.
+;   LanguageGroup=1,2,3,4,5,6 - installed by default with XP
+
+; ; TODO: Implement mapping locales to windows LCIDs.
 ; 0409:00000409 is US.
 ;    SystemLocale=00000419 - russian
-; TODO: Make Input locale configurable?
+; ; TODO: Make Input locale configurable?
 ;    InputLocale=0409:00000409,0419:00000419 - US,Russian
 
@@ -57,4 +57,4 @@
 
 [GuiRunOnce]
-    Command0="A:\VBOXPOST.CMD"
+    Command0="A:\VBOXPOST.CMD --xp-or-older"
 
Index: /trunk/src/VBox/Main/UnattendedTemplates/win_nt6_unattended.xml
===================================================================
--- /trunk/src/VBox/Main/UnattendedTemplates/win_nt6_unattended.xml	(revision 68256)
+++ /trunk/src/VBox/Main/UnattendedTemplates/win_nt6_unattended.xml	(revision 68257)
@@ -144,5 +144,5 @@
                     <Order>2</Order>
                     <Description>VirtualBox post guest install steps </Description>
-                    <CommandLine>cmd.exe /c A:\VBOXPOST.CMD</CommandLine>
+                    <CommandLine>cmd.exe /c A:\VBOXPOST.CMD --vista-or-newer</CommandLine>
                 </SynchronousCommand>
             </FirstLogonCommands>