diff --git a/src/tests/ftest/rebuild/cascading_failures.py b/src/tests/ftest/rebuild/cascading_failures.py
index a17c6c6ffac..448280b9227 100644
--- a/src/tests/ftest/rebuild/cascading_failures.py
+++ b/src/tests/ftest/rebuild/cascading_failures.py
@@ -1,5 +1,5 @@
 """
-  (C) Copyright 2019-2022 Intel Corporation.
+  (C) Copyright 2019-2024 Intel Corporation.
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 """
@@ -52,14 +52,14 @@ def start_rebuild(self):
         """Start the rebuild process."""
         if self.mode == "simultaneous":
             # Exclude both ranks from the pool to initiate rebuild
-            self.server_managers[0].stop_ranks(self.inputs.rank.value, self.d_log)
+            self.server_managers[0].stop_ranks(self.inputs.rank.value, self.d_log, force=True)
         else:
             # Exclude the first rank from the pool to initiate rebuild
-            self.server_managers[0].stop_ranks([self.inputs.rank.value[0]], self.d_log)
+            self.server_managers[0].stop_ranks([self.inputs.rank.value[0]], self.d_log, force=True)
 
         if self.mode == "sequential":
             # Exclude the second rank from the pool
-            self.server_managers[0].stop_ranks([self.inputs.rank.value[1]], self.d_log)
+            self.server_managers[0].stop_ranks([self.inputs.rank.value[1]], self.d_log, force=True)
 
         # Wait for rebuild to start
         self.pool.wait_for_rebuild_to_start(1)
@@ -69,7 +69,7 @@ def execute_during_rebuild(self):
         self.daos_cmd = DaosCommand(self.bin)
         if self.mode == "cascading":
             # Exclude the second rank from the pool during rebuild
-            self.server_managers[0].stop_ranks([self.inputs.rank.value[1]], self.d_log)
+            self.server_managers[0].stop_ranks([self.inputs.rank.value[1]], self.d_log, force=True)
 
         self.daos_cmd.container_set_prop(
             pool=self.pool.uuid, cont=self.container.uuid, prop="status", value="healthy")
diff --git a/src/tests/ftest/util/container_rf_test_base.py b/src/tests/ftest/util/container_rf_test_base.py
index c5cfbf2b1a3..5124818e32a 100644
--- a/src/tests/ftest/util/container_rf_test_base.py
+++ b/src/tests/ftest/util/container_rf_test_base.py
@@ -89,7 +89,7 @@ def start_rebuild_cont_rf(self, rd_fac):
 
         # Exclude the ranks from the pool to initiate rebuild simultaneously
         self.log.info("==>(3)Start rebuild for all specified ranks simultaneously")
-        self.server_managers[0].stop_ranks(self.inputs.rank.value, self.d_log)
+        self.server_managers[0].stop_ranks(self.inputs.rank.value, self.d_log, force=True)
 
     def execute_during_rebuild_cont_rf(self, rd_fac, expect_cont_status="HEALTHY"):
         """Execute test steps during rebuild.