diff --git a/tools/xenserver/destroy_cached_images.py b/tools/xenserver/destroy_cached_images.py
index b7f0a3bc0e8e..a330231c461c 100644
--- a/tools/xenserver/destroy_cached_images.py
+++ b/tools/xenserver/destroy_cached_images.py
@@ -1,3 +1,15 @@
+#  Licensed under the Apache License, Version 2.0 (the "License"); you may
+#  not use this file except in compliance with the License. You may obtain
+#  a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#  License for the specific language governing permissions and limitations
+#  under the License.
+
 """
 destroy_cached_images.py
 
diff --git a/tools/xenserver/stress_test.py b/tools/xenserver/stress_test.py
index e82b3818acc5..de7ad97c8aa2 100644
--- a/tools/xenserver/stress_test.py
+++ b/tools/xenserver/stress_test.py
@@ -1,3 +1,15 @@
+#  Licensed under the Apache License, Version 2.0 (the "License"); you may
+#  not use this file except in compliance with the License. You may obtain
+#  a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#  License for the specific language governing permissions and limitations
+#  under the License.
+
 """
 This script concurrently builds and migrates instances. This can be useful when
 troubleshooting race-conditions in virt-layer code.