diff --git a/vmware_nsx/common/config.py b/vmware_nsx/common/config.py
index 9914dec5db..9366ef921a 100644
--- a/vmware_nsx/common/config.py
+++ b/vmware_nsx/common/config.py
@@ -318,6 +318,10 @@ nsx_v3_and_p = [
                default="169.254.169.254/31",
                help=_("The metadata route used for native metadata proxy "
                       "service.")),
+    cfg.BoolOpt('windows_metadata_route',
+                default=True,
+                help=_("Inject a route for allowing windows guest access NSX "
+                       "native metadata proxy service")),
     cfg.StrOpt('dns_domain',
                default='openstacklocal',
                help=_("Domain to use for building the hostnames.")),
diff --git a/vmware_nsx/plugins/common_v3/availability_zones.py b/vmware_nsx/plugins/common_v3/availability_zones.py
index 30df71913b..7074681979 100644
--- a/vmware_nsx/plugins/common_v3/availability_zones.py
+++ b/vmware_nsx/plugins/common_v3/availability_zones.py
@@ -60,6 +60,10 @@ class NsxV3AvailabilityZone(common_az.ConfiguredAvailabilityZone):
             native_metadata_route = az_info.get('native_metadata_route')
             if native_metadata_route:
                 self.native_metadata_route = native_metadata_route
+            windows_metadata_route = az_info.get('windows_metadata_route')
+            # Careful - this is a boolean
+            if windows_metadata_route is not None:
+                self.windows_metadata_route = windows_metadata_route
         else:
             self.metadata_proxy = None
             self.dhcp_profile = None
diff --git a/vmware_nsx/plugins/common_v3/plugin.py b/vmware_nsx/plugins/common_v3/plugin.py
index 70d06448e2..7d352bc3f8 100644
--- a/vmware_nsx/plugins/common_v3/plugin.py
+++ b/vmware_nsx/plugins/common_v3/plugin.py
@@ -2617,11 +2617,15 @@ class NsxPluginV3Base(agentschedulers_db.AZDhcpAgentSchedulerDbMixin,
                           subnet):
         # Always add option121.
         net_az = self.get_network_az_by_net_id(context, net_id)
-        options = {'option121': {'static_routes': [
+        static_routes = []
+        options = {'option121': {'static_routes': static_routes}}
+        if net_az.windows_metadata_route:
+            static_routes.append(
+                {'network': '%s' % net_az.native_metadata_route,
+                 'next_hop': '0.0.0.0'})
+        static_routes.append(
             {'network': '%s' % net_az.native_metadata_route,
-             'next_hop': '0.0.0.0'},
-            {'network': '%s' % net_az.native_metadata_route,
-             'next_hop': ip}]}}
+             'next_hop': ip})
         if subnet:
             sr, gateway_ip = self._build_static_routes(
                 subnet.get('gateway_ip'), subnet.get('cidr'),
diff --git a/vmware_nsx/plugins/nsx_p/availability_zones.py b/vmware_nsx/plugins/nsx_p/availability_zones.py
index 10f98937b5..32c4ea21f9 100644
--- a/vmware_nsx/plugins/nsx_p/availability_zones.py
+++ b/vmware_nsx/plugins/nsx_p/availability_zones.py
@@ -40,6 +40,7 @@ class NsxPAvailabilityZone(v3_az.NsxV3AvailabilityZone):
         self.metadata_proxy = cfg.CONF.nsx_p.metadata_proxy
         self.dhcp_profile = cfg.CONF.nsx_p.dhcp_profile
         self.native_metadata_route = cfg.CONF.nsx_p.native_metadata_route
+        self.windows_metadata_route = cfg.CONF.nsx_p.windows_metadata_route
         self.default_overlay_tz = cfg.CONF.nsx_p.default_overlay_tz
         self.default_vlan_tz = cfg.CONF.nsx_p.default_vlan_tz
         self.default_tier0_router = cfg.CONF.nsx_p.default_tier0_router
diff --git a/vmware_nsx/plugins/nsx_v3/availability_zones.py b/vmware_nsx/plugins/nsx_v3/availability_zones.py
index 5a623b18a5..e5db0cc154 100644
--- a/vmware_nsx/plugins/nsx_v3/availability_zones.py
+++ b/vmware_nsx/plugins/nsx_v3/availability_zones.py
@@ -49,6 +49,7 @@ class NsxV3AvailabilityZone(v3_az.NsxV3AvailabilityZone):
         self.metadata_proxy = cfg.CONF.nsx_v3.metadata_proxy
         self.dhcp_profile = cfg.CONF.nsx_v3.dhcp_profile
         self.native_metadata_route = cfg.CONF.nsx_v3.native_metadata_route
+        self.windows_metadata_route = cfg.CONF.nsx_v3.windows_metadata_route
         self.dns_domain = cfg.CONF.nsx_v3.dns_domain
         self.nameservers = cfg.CONF.nsx_v3.nameservers
         self.default_overlay_tz = cfg.CONF.nsx_v3.default_overlay_tz