diff --git a/releasenotes/notes/fix-volume-delete-configuration-unsuported-operational_time_property-f53f650d8612a847.yaml b/releasenotes/notes/fix-volume-delete-configuration-unsuported-operational_time_property-f53f650d8612a847.yaml
new file mode 100644
index 00000000..38fba8e0
--- /dev/null
+++ b/releasenotes/notes/fix-volume-delete-configuration-unsuported-operational_time_property-f53f650d8612a847.yaml
@@ -0,0 +1,4 @@
+fixes:
+  - |
+    Fixes 'Unsupported parameter name @Redfish.OperationApplyTime' error
+    on iDRAC firmware version 6.00.02.00 or newer when deleting volumes.
diff --git a/sushy/resources/system/storage/volume.py b/sushy/resources/system/storage/volume.py
index e6c5055c..abfe1838 100644
--- a/sushy/resources/system/storage/volume.py
+++ b/sushy/resources/system/storage/volume.py
@@ -136,8 +136,22 @@ class Volume(base.ResourceBase):
         if (payload and payload.get(_OAT_PROP)
                 == res_cons.ApplyTime.IMMEDIATE.value):
             blocking = True
-        r = self._conn.delete(self._path, data=payload, blocking=blocking,
-                              timeout=timeout)
+        try:
+            r = self._conn.delete(self._path, data=payload,
+                                  blocking=blocking, timeout=timeout)
+        except exceptions.ServerSideError as exc:
+            if (_OAT_PROP in str(exc.message)
+                    and 'SYS029' in str(exc.message)):
+                LOG.debug('Retry volume delete without %(prop)s for %(path)s '
+                          'because got error: %(err)s',
+                          {'prop': _OAT_PROP,
+                           'path': self._path,
+                           'err': exc})
+                payload.pop(_OAT_PROP)
+                r = self._conn.delete(self._path, data=payload,
+                                      blocking=blocking, timeout=timeout)
+            else:
+                raise exc
         return r
 
     def delete(self, payload=None, apply_time=None, timeout=500):
diff --git a/sushy/tests/unit/resources/system/storage/test_volume.py b/sushy/tests/unit/resources/system/storage/test_volume.py
index 5d962a86..dda38ee0 100644
--- a/sushy/tests/unit/resources/system/storage/test_volume.py
+++ b/sushy/tests/unit/resources/system/storage/test_volume.py
@@ -16,6 +16,7 @@ from unittest import mock
 from dateutil import parser
 
 import sushy
+from sushy import exceptions
 from sushy.resources import constants as res_cons
 from sushy.resources.system.storage import constants as store_cons
 from sushy.resources.system.storage import volume
@@ -106,6 +107,84 @@ class VolumeTestCase(base.TestCase):
         self.assertEqual(task_mon.task_monitor_uri,
                          '/redfish/v1/taskmon/4608f7e6')
 
+    @mock.patch.object(volume.LOG, 'debug', autospec=True)
+    def test_delete_retry_on_501_sys029_apply_time(self, mock_debug):
+        payload = {}
+        _OAT_PROP = '@Redfish.OperationApplyTime'
+        payload[_OAT_PROP] = 'Immediate'
+        target_uri = '/redfish/v1/Systems/437XR1138R2/Storage/1/Volumes/1'
+        response_info = {"error": {"@Message.ExtendedInfo": [
+            {'Message': '@Redfish.OperationApplyTime.',
+             'MessageId': 'IDRAC.2.7.SYS029'}]}}
+        mock_error = mock.Mock()
+        mock_error.status_code = 501
+        mock_error.json.return_value = response_info
+        mock_success = mock.Mock()
+        mock_success.status_code = 201
+        self.conn.delete.side_effect = [exceptions.ServerSideError(
+            method='DELETE', url=target_uri, response=mock_error),
+            mock_success]
+
+        resource = self.stor_volume.delete(
+            payload=payload, apply_time=res_cons.ApplyTime.IMMEDIATE)
+
+        self.assertIsNone(resource)
+        self.assertEqual(2, self.stor_volume._conn.delete.call_count)
+        expected_calls = [
+            mock.call(self.stor_volume._path, data=payload, blocking=True,
+                      timeout=500),
+            mock.call(self.stor_volume._path, data={}, blocking=True,
+                      timeout=500)
+        ]
+        self.stor_volume._conn.delete.assert_has_calls(expected_calls)
+        mock_debug.assert_called_once()
+
+    @mock.patch.object(volume.LOG, 'debug', autospec=True)
+    def test_delete_retry_on_501_sys029_other(self, mock_debug):
+        payload = {}
+        _OAT_PROP = '@Redfish.OperationApplyTime'
+        payload[_OAT_PROP] = 'Immediate'
+        target_uri = '/redfish/v1/Systems/437XR1138R2/Storage/1/Volumes/1'
+        response_info = {"error": {"@Message.ExtendedInfo": [
+            {'Message': '@Redfish.SomethingElse.',
+             'MessageId': 'IDRAC.2.7.SYS029'}]}}
+        mock_error = mock.Mock()
+        mock_error.status_code = 501
+        mock_error.json.return_value = response_info
+        mock_success = mock.Mock()
+        mock_success.status_code = 201
+        self.conn.delete.side_effect = [exceptions.ServerSideError(
+            method='DELETE', url=target_uri, response=mock_error),
+            mock_success]
+
+        self.assertRaises(exceptions.ServerSideError, self.stor_volume.delete,
+                          payload=payload,
+                          apply_time=res_cons.ApplyTime.IMMEDIATE)
+        self.stor_volume._conn.delete.assert_called_once_with(
+            self.stor_volume._path, data=payload, blocking=True, timeout=500)
+        mock_debug.assert_not_called()
+
+    @mock.patch.object(volume.LOG, 'debug', autospec=True)
+    def test_delete_raise_on_501_other(self, mock_debug):
+        payload = {}
+        _OAT_PROP = '@Redfish.OperationApplyTime'
+        payload[_OAT_PROP] = 'Immediate'
+        target_uri = '/redfish/v1/Systems/437XR1138R2/Storage/1/Volumes/1'
+        response_info = {"error": {"@Message.ExtendedInfo": [
+            {'Message': 'Other message.'}]}}
+        mock_error = mock.Mock()
+        mock_error.status_code = 501
+        mock_error.json.return_value = response_info
+        self.conn.delete.side_effect = [exceptions.ServerSideError(
+            method='DELETE', url=target_uri, response=mock_error)]
+
+        self.assertRaises(exceptions.ServerSideError, self.stor_volume.delete,
+                          payload=payload,
+                          apply_time=res_cons.ApplyTime.IMMEDIATE)
+        self.stor_volume._conn.delete.assert_called_once_with(
+            self.stor_volume._path, data=payload, blocking=True, timeout=500)
+        mock_debug.assert_not_called()
+
 
 class VolumeCollectionTestCase(base.TestCase):