diff --git a/booleans-targeted.conf b/booleans-targeted.conf
index 7457a4a..3a32908 100644
--- a/booleans-targeted.conf
+++ b/booleans-targeted.conf
@@ -291,3 +291,7 @@ sshd_forward_ports=true
 ## On upgrades we want this true, Want it false on fresh installs
 #
 authlogin_nsswitch_use_ldap=false
+
+## Allow domains to use other domains fd's
+#
+allow_domain_fd_use=true