diff --git a/openpower/ext_interfaces/test_vmi.robot b/openpower/ext_interfaces/test_vmi.robot
index b1a0092..40ccb8a 100644
--- a/openpower/ext_interfaces/test_vmi.robot
+++ b/openpower/ext_interfaces/test_vmi.robot
@@ -477,6 +477,9 @@
     [Documentation]  Do test setup execution task.
 
     Redfish.Login
+
+    Redfish Power Off
+    Set BIOS Attribute  pvm_hmc_managed  Enabled
     Redfish Power On
 
     # Check whether OS is up and working fine.
diff --git a/openpower/ext_interfaces/test_vmicert_management.robot b/openpower/ext_interfaces/test_vmicert_management.robot
index 412aaf8..80b30e5 100644
--- a/openpower/ext_interfaces/test_vmicert_management.robot
+++ b/openpower/ext_interfaces/test_vmicert_management.robot
@@ -742,6 +742,10 @@
     Remove Files  *.csr  *.key  *.cert
     # Create different user accounts.
     Redfish.Login
+
+    Redfish Power Off
+    Set BIOS Attribute  pvm_hmc_managed  Enabled
+
     Redfish Power On
     Create Users With Different Roles  users=${USERS}  force=${True}