diff --git a/vmware_nsxlib/v3/client.py b/vmware_nsxlib/v3/client.py
index d088cd1c..c9047251 100644
--- a/vmware_nsxlib/v3/client.py
+++ b/vmware_nsxlib/v3/client.py
@@ -37,7 +37,8 @@ def http_error_to_exception(status_code, error_code):
         requests.codes.BAD_REQUEST:
             {'60508': exceptions.NsxIndexingInProgress,
              '60514': exceptions.NsxSearchTimeout,
-             '500045': exceptions.NsxPendingDelete},
+             '500045': exceptions.NsxPendingDelete,
+             '500030': exceptions.ResourceInUse},
         requests.codes.CONFLICT: exceptions.StaleRevision,
         requests.codes.PRECONDITION_FAILED: exceptions.StaleRevision,
         requests.codes.INTERNAL_SERVER_ERROR:
diff --git a/vmware_nsxlib/v3/exceptions.py b/vmware_nsxlib/v3/exceptions.py
index d8292ac2..f74547ec 100644
--- a/vmware_nsxlib/v3/exceptions.py
+++ b/vmware_nsxlib/v3/exceptions.py
@@ -196,4 +196,9 @@ class NsxPendingDelete(NsxLibException):
 
 
 class APITransactionAborted(ServerBusy):
-    message = _("API transaction aborted as MP cluster is reconfiguring.")
+    message = _("API transaction aborted as MP cluster is reconfiguring")
+
+
+class ResourceInUse(ManagerError):
+    message = _("The object cannot be deleted as either it has children or it "
+                "is being referenced by other objects")