diff --git a/server/src/com/cloud/storage/StorageManagerImpl.java b/server/src/com/cloud/storage/StorageManagerImpl.java
index 2da24e40ff0..5ced49fea08 100755
--- a/server/src/com/cloud/storage/StorageManagerImpl.java
+++ b/server/src/com/cloud/storage/StorageManagerImpl.java
@@ -107,6 +107,7 @@ import com.cloud.exception.ResourceAllocationException;
 import com.cloud.exception.ResourceInUseException;
 import com.cloud.exception.ResourceUnavailableException;
 import com.cloud.exception.StorageUnavailableException;
+import com.cloud.exception.UnsupportedServiceException;
 import com.cloud.host.Host;
 import com.cloud.host.HostVO;
 import com.cloud.host.Status;
@@ -1674,6 +1675,12 @@ public class StorageManagerImpl implements StorageManager, StorageService, Manag
             
             //check snapshot permissions
             _accountMgr.checkAccess(caller, null, snapshotCheck);
+            
+            // bug #11428. Operation not supported if vmware and snapshots parent volume = ROOT
+            if(snapshotCheck.getHypervisorType() == HypervisorType.VMware
+            		&& _volumeDao.findByIdIncludingRemoved(snapshotCheck.getVolumeId()).getVolumeType() == Type.ROOT){
+            	throw new UnsupportedServiceException("operation not supported, snapshot with id " + snapshotId + " is created from ROOT volume");
+             }
         }
 
         // Verify that zone exists
diff --git a/server/src/com/cloud/vm/UserVmManagerImpl.java b/server/src/com/cloud/vm/UserVmManagerImpl.java
index 70f8a1e92f4..3ad1b3a0a35 100755
--- a/server/src/com/cloud/vm/UserVmManagerImpl.java
+++ b/server/src/com/cloud/vm/UserVmManagerImpl.java
@@ -108,6 +108,7 @@ import com.cloud.exception.PermissionDeniedException;
 import com.cloud.exception.ResourceAllocationException;
 import com.cloud.exception.ResourceUnavailableException;
 import com.cloud.exception.StorageUnavailableException;
+import com.cloud.exception.UnsupportedServiceException;
 import com.cloud.exception.VirtualMachineMigrationException;
 import com.cloud.ha.HighAvailabilityManager;
 import com.cloud.host.Host;
@@ -1357,6 +1358,9 @@ public class UserVmManagerImpl implements UserVmManager, UserVmService, Manager
             hyperType = _volsDao.getHypervisorType(volumeId);
         } else { // create template from snapshot
             SnapshotVO snapshot = _snapshotDao.findById(snapshotId);
+            volume = _volsDao.findById(snapshot.getVolumeId());
+            VolumeVO snapshotVolume = _volsDao.findByIdIncludingRemoved(snapshot.getVolumeId());
+            
             if (snapshot == null) {
                 throw new InvalidParameterValueException("Failed to create private template record, unable to find snapshot " + snapshotId);
             }
@@ -1367,11 +1371,15 @@ public class UserVmManagerImpl implements UserVmManager, UserVmService, Manager
             if (snapshot.getStatus() != Snapshot.Status.BackedUp) {
                 throw new InvalidParameterValueException("Snapshot id=" + snapshotId + " is not in " + Snapshot.Status.BackedUp + " state yet and can't be used for template creation");
             }
+            
+            // bug #11428. Operation not supported if vmware and snapshots parent volume = ROOT
+            if(snapshot.getHypervisorType() == HypervisorType.VMware && snapshotVolume.getVolumeType() == Type.DATADISK){ 
+            	throw new UnsupportedServiceException("operation not supported, snapshot with id " + snapshotId + " is created from Data Disk");
+            }
 
             domainId = snapshot.getDomainId();
             accountId = snapshot.getAccountId();
-            hyperType = snapshot.getHypervisorType();
-            volume = _volsDao.findById(snapshot.getVolumeId());
+            hyperType = snapshot.getHypervisorType();            
         }
 
         VMTemplateVO existingTemplate = _templateDao.findByTemplateNameAccountId(name, accountId);