diff --git a/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java b/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
index cd4977312ae..d08aaecb171 100644
--- a/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
+++ b/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
@@ -660,6 +660,13 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
             Connection conn = getConnection();
             Set<VM> vms = VM.getByNameLabel(conn, vmName);
             Host host = Host.getByUuid(conn, _host.uuid);
+
+            // If DMC is not enable then dont execute this command.
+            if (isDmcEnabled(conn, host)) {
+                String msg = "Unable to scale the vm: " + vmName + " as DMC - Dynamic memory control is not enabled for the XenServer:" + _host.uuid + " ,check your license and hypervisor version.";
+                s_logger.info(msg);
+                return new ScaleVmAnswer(cmd, false, msg);
+            }
             // stop vm which is running on this host or is in halted state
             Iterator<VM> iter = vms.iterator();
             while ( iter.hasNext() ) {
diff --git a/plugins/hypervisors/xen/test/com/cloud/hypervisor/xen/resource/CitrixResourceBaseTest.java b/plugins/hypervisors/xen/test/com/cloud/hypervisor/xen/resource/CitrixResourceBaseTest.java
index 877e3bc5120..3328d4be50c 100644
--- a/plugins/hypervisors/xen/test/com/cloud/hypervisor/xen/resource/CitrixResourceBaseTest.java
+++ b/plugins/hypervisors/xen/test/com/cloud/hypervisor/xen/resource/CitrixResourceBaseTest.java
@@ -58,7 +58,10 @@ public class CitrixResourceBaseTest {
             super.scaleVM(conn, vm, vmSpec, host);
         }
 
-
+        @Override
+        protected boolean isDmcEnabled(Connection conn, Host host) throws Types.XenAPIException, XmlRpcException {
+            return true;
+        }
     };
     @Mock XsHost _host;
     @Mock Host host;