diff --git a/server/src/com/cloud/network/NetworkManagerImpl.java b/server/src/com/cloud/network/NetworkManagerImpl.java
index 30627f3eba8..498010a855f 100755
--- a/server/src/com/cloud/network/NetworkManagerImpl.java
+++ b/server/src/com/cloud/network/NetworkManagerImpl.java
@@ -1266,9 +1266,9 @@ public class NetworkManagerImpl implements NetworkManager, NetworkService, Manag
             network.setMode(result.getMode());
             _networksDao.update(networkId, network);
 
-            // If this is a guest virtual network and the network offering does not support a shared source NAT rule,
+            // If this is a 1) guest virtual network 2) network has sourceNat service 3) network offering does not support a Shared source NAT rule,
             // associate a source NAT IP (if one isn't already associated with the network)
-            if (network.getType() == Network.Type.Isolated && !offering.isSharedSourceNatService()) {
+            if (network.getType() == Network.Type.Isolated && isServiceSupportedByNetworkOffering(network.getNetworkOfferingId(), Service.SourceNat) && !offering.isSharedSourceNatService()) {
                 List<IPAddressVO> ips = _ipAddressDao.listByAssociatedNetwork(networkId, true);
 
                 if (ips.isEmpty()) {
diff --git a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
index 8d595b1197f..c607f6eca23 100755
--- a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
+++ b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
@@ -118,6 +118,7 @@ import com.cloud.network.LoadBalancerVO;
 import com.cloud.network.Network;
 import com.cloud.network.NetworkManager;
 import com.cloud.network.NetworkVO;
+import com.cloud.network.Network.Service;
 import com.cloud.network.Networks.BroadcastDomainType;
 import com.cloud.network.Networks.IsolationType;
 import com.cloud.network.Networks.TrafficType;
@@ -1038,18 +1039,22 @@ public class VirtualNetworkApplianceManagerImpl implements VirtualNetworkApplian
             if (routers.size() >= routerCount) {
                 return routers;
             }
-
-            PublicIp sourceNatIp = _networkMgr.assignSourceNatIpAddress(owner, guestNetwork, _accountService.getSystemUser().getId());
+            
             NicProfile defaultNic = new NicProfile();
-            defaultNic.setDefaultNic(true);
-            defaultNic.setIp4Address(sourceNatIp.getAddress().addr());
-            defaultNic.setGateway(sourceNatIp.getGateway());
-            defaultNic.setNetmask(sourceNatIp.getNetmask());
-            defaultNic.setMacAddress(sourceNatIp.getMacAddress());
-            defaultNic.setBroadcastType(BroadcastDomainType.Vlan);
-            defaultNic.setBroadcastUri(BroadcastDomainType.Vlan.toUri(sourceNatIp.getVlanTag()));
-            defaultNic.setIsolationUri(IsolationType.Vlan.toUri(sourceNatIp.getVlanTag()));
-            defaultNic.setDeviceId(2);
+            //if source nat service is supported by the network, get the source nat ip address
+            if (_networkMgr.isServiceSupportedByNetworkOffering(guestNetwork.getNetworkOfferingId(), Service.SourceNat)) {
+                PublicIp sourceNatIp = _networkMgr.assignSourceNatIpAddress(owner, guestNetwork, _accountService.getSystemUser().getId());
+                defaultNic.setDefaultNic(true);
+                defaultNic.setIp4Address(sourceNatIp.getAddress().addr());
+                defaultNic.setGateway(sourceNatIp.getGateway());
+                defaultNic.setNetmask(sourceNatIp.getNetmask());
+                defaultNic.setMacAddress(sourceNatIp.getMacAddress());
+                defaultNic.setBroadcastType(BroadcastDomainType.Vlan);
+                defaultNic.setBroadcastUri(BroadcastDomainType.Vlan.toUri(sourceNatIp.getVlanTag()));
+                defaultNic.setIsolationUri(IsolationType.Vlan.toUri(sourceNatIp.getVlanTag()));
+                defaultNic.setDeviceId(2);
+            } 
+           
             int count = routerCount - routers.size();
 
             for (int i = 0; i < count; i++) {