Index: /trunk/include/VBox/settings.h
===================================================================
--- /trunk/include/VBox/settings.h	(revision 49586)
+++ /trunk/include/VBox/settings.h	(revision 49587)
@@ -368,7 +368,7 @@
     NATRuleList  llPortForwardRules4;
     NATRuleList  llPortForwardRules6;
-    NATNetwork():fEnabled(false),
+    NATNetwork():fEnabled(true),
       fAdvertiseDefaultIPv6Route(false),
-      fNeedDhcpServer(false)
+      fNeedDhcpServer(true)
       {}
     bool operator==(const NATNetwork &n) const
Index: /trunk/src/VBox/Main/src-server/NATNetworkImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-server/NATNetworkImpl.cpp	(revision 49586)
+++ /trunk/src/VBox/Main/src-server/NATNetworkImpl.cpp	(revision 49587)
@@ -51,8 +51,8 @@
 {
     Data()
-      : fEnabled(FALSE)
+      : fEnabled(TRUE)
       , fIPv6Enabled(FALSE)
       , fAdvertiseDefaultIPv6Route(FALSE)
-      , fNeedDhcpServer(FALSE)
+      , fNeedDhcpServer(TRUE)
       , u32LoopbackIp6(0)
       , offGateway(0)
@@ -144,5 +144,4 @@
     m->IPv4NetworkCidr = "10.0.2.0/24";
     m->IPv6Prefix = "fe80::/64";
-    m->fEnabled = FALSE;
 
     settings::NATHostLoopbackOffset off;