diff --git a/samples/find_vms_using_datastore.py b/samples/find_vms_using_datastore.py
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+++ b/samples/find_vms_using_datastore.py
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+#!/usr/bin/env python
+# VMware vSphere Python SDK
+# Copyright (c) 2008-2021 VMware, Inc. All Rights Reserved.
+#
+# 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.
+
+"""
+Python program for finding which VMS have a specific Datastore connected on an ESX / vCenter host
+Currently looking for VirtualDrive and VirtualCdrom (can be easilly expanded)
+"""
+
+from pyVmomi import vmodl
+from pyVmomi import vim
+from tools import cli, service_instance, vm
+
+def find_vms_datastore(si, datastore_name):
+    # Retrieve the content
+    content = si.RetrieveContent()
+
+    # Find the datastore object
+    datastore = None
+    for datacenter in content.rootFolder.childEntity:
+        for ds in datacenter.datastore:
+            if ds.name == datastore_name:
+                datastore = ds
+                break
+        if datastore:
+            break
+
+    if not datastore:
+        print(f"Datastore '{datastore_name}' not found.")
+        return -1
+
+    # Find all virtual machines that use this datastore
+    vms = []
+    for vm in content.viewManager.CreateContainerView(content.rootFolder, [vim.VirtualMachine], recursive=True).view:
+        if (vm.config) == None:
+            continue
+
+        for device in vm.config.hardware.device:
+            if isinstance(device, vim.vm.device.VirtualDisk) or isinstance(device, vim.vm.device.VirtualCdrom):
+                if not hasattr(device.backing, "datastore"):
+                    continue
+
+                if device.backing.datastore == datastore:
+                    vms.append(vm.name)
+
+
+    # Print out the list of VMs
+    if vms:
+        print(f"Virtual machines using datastore '{datastore_name}':")
+        for vm_name in vms:
+            print(f"- {vm_name}")
+    else:
+        print(f"No virtual machines found using datastore '{datastore_name}'.")
+
+
+def main():
+    """
+    Simple command-line program for finding which VMs have a specific Datastore connected.
+    CLI arguments
+      Required:
+        --datastore
+      You probably need these:
+        -s SERVER_IP_OR_DNS
+        -u USER
+        --password PASSWORD
+    """
+
+    parser = cli.Parser()
+    parser.add_custom_argument("--datastore",
+                               type=str,
+                               action="store",
+                               help="Datastore name",
+                               required=True)
+    
+    args = parser.get_args()
+
+    datastore = args.datastore
+    if (datastore is None or len(datastore) == 0):
+        print("Datastore name is wrong")
+        return -1
+
+    try:
+        si = service_instance.connect(args)
+
+        # Do work
+        exit_code = find_vms_datastore(si, datastore)
+
+    except vmodl.MethodFault as ex:
+        print("Caught vmodl fault : {}".format(ex.msg))
+        return -1
+
+    return exit_code
+
+
+# Start program
+if __name__ == "__main__":
+    main()
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