Index: /trunk/src/VBox/Additions/WINNT/VBoxService/VBoxVMInfoNet.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/VBoxService/VBoxVMInfoNet.cpp	(revision 12392)
+++ /trunk/src/VBox/Additions/WINNT/VBoxService/VBoxVMInfoNet.cpp	(revision 12393)
@@ -41,5 +41,5 @@
 
     RTStrPrintf(szPropPath, sizeof(szPropPath), "GuestInfo/Net/Count");
-    vboxVMInfoWritePropInt(a_pCtx, szPropPath, nNumInterfaces);
+    vboxVMInfoWritePropInt(a_pCtx, szPropPath, (nNumInterfaces > 1 ? nNumInterfaces-1 : 0));
 
     dwCurIface = 0;