diff --git a/lib/vagrant/action/vm/network.rb b/lib/vagrant/action/vm/network.rb
index fd70c0c3b..f6520afb9 100644
--- a/lib/vagrant/action/vm/network.rb
+++ b/lib/vagrant/action/vm/network.rb
@@ -298,7 +298,7 @@ module Vagrant
 
           @env[:vm].driver.read_bridged_interfaces.each do |interface|
             that_netaddr = network_address(interface[:ip], interface[:netmask])
-            raise Errors::NetworkCollision if this_netaddr == that_netaddr
+            raise Errors::NetworkCollision if this_netaddr == that_netaddr && interface[:status] != "Down"
           end
         end
 
diff --git a/lib/vagrant/driver/virtualbox_4_0.rb b/lib/vagrant/driver/virtualbox_4_0.rb
index 972fb42fc..166d25927 100644
--- a/lib/vagrant/driver/virtualbox_4_0.rb
+++ b/lib/vagrant/driver/virtualbox_4_0.rb
@@ -273,6 +273,8 @@ module Vagrant
               info[:ip] = $1.to_s
             elsif line =~ /^NetworkMask:\s+(.+?)$/
               info[:netmask] = $1.to_s
+            elsif line =~ /^Status:\s+(.+?)$/
+                info[:status] = $1.to_s
             end
           end
 
diff --git a/lib/vagrant/driver/virtualbox_4_1.rb b/lib/vagrant/driver/virtualbox_4_1.rb
index 995e4cccd..221ff389e 100644
--- a/lib/vagrant/driver/virtualbox_4_1.rb
+++ b/lib/vagrant/driver/virtualbox_4_1.rb
@@ -273,6 +273,8 @@ module Vagrant
               info[:ip] = $1.to_s
             elsif line =~ /^NetworkMask:\s+(.+?)$/
               info[:netmask] = $1.to_s
+            elsif line =~ /^Status:\s+(.+?)$/
+              info[:status] = $1.to_s
             end
           end