diff --git a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
index 7f48cbe0ac2..f6208894947 100755
--- a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
+++ b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
@@ -988,6 +988,11 @@ public class VirtualNetworkApplianceManagerImpl implements VirtualNetworkApplian
             return this.start(router, user, caller, params, null);
         }
         
+        if (router.getState() == State.Running) {
+            s_logger.debug("Redundant router " + router.getInstanceName() + " is already running!");
+            return router;
+        }
+
         DataCenterDeployment plan = new DataCenterDeployment(0, null, null, null, null);
         DomainRouterVO result = null;
         assert router.getIsRedundantRouter();