diff --git a/server/src/com/cloud/vm/VirtualMachineManagerImpl.java b/server/src/com/cloud/vm/VirtualMachineManagerImpl.java
index 0568d4c5f98..6b0827bc941 100755
--- a/server/src/com/cloud/vm/VirtualMachineManagerImpl.java
+++ b/server/src/com/cloud/vm/VirtualMachineManagerImpl.java
@@ -672,7 +672,7 @@ public class VirtualMachineManagerImpl implements VirtualMachineManager, Listene
                 }
 
                 if (dest == null) {
-                    throw new InsufficientServerCapacityException("Unable to create a deployment for " + vmProfile, DataCenter.class, plan.getDataCenterId());
+                    throw new InsufficientServerCapacityException("Unable to create a deployment for " + vmProfile + " due to lack of VLAN available.", DataCenter.class, plan.getDataCenterId());
                 }
 
                 long destHostId = dest.getHost().getId();