diff --git a/tcp_tests/templates/virtual-mcp11-dvr/openstack.yaml b/tcp_tests/templates/virtual-mcp11-dvr/openstack.yaml
index 860a32e..d967df3 100644
--- a/tcp_tests/templates/virtual-mcp11-dvr/openstack.yaml
+++ b/tcp_tests/templates/virtual-mcp11-dvr/openstack.yaml
@@ -259,7 +259,7 @@
     'service ntp stop; ntpd -gq;  service ntp start'
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 30}
-  skip_fail: false
+  skip_fail: true
 
 # Configure cinder-volume salt-call PROD-13167
 - description: Set disks 01
diff --git a/tcp_tests/templates/virtual-mcp11-ovs/openstack.yaml b/tcp_tests/templates/virtual-mcp11-ovs/openstack.yaml
index e00cf3c..9971bd6 100644
--- a/tcp_tests/templates/virtual-mcp11-ovs/openstack.yaml
+++ b/tcp_tests/templates/virtual-mcp11-ovs/openstack.yaml
@@ -259,7 +259,7 @@
     'service ntp stop; ntpd -gq;  service ntp start'
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 30}
-  skip_fail: false
+  skip_fail: true
 
 # Configure cinder-volume salt-call PROD-13167
 - description: Set disks 01
diff --git a/tcp_tests/tests/system/test_install_mcp11_ovs_newton.py b/tcp_tests/tests/system/test_install_mcp11_ovs_newton.py
index 5645443..99f96e2 100644
--- a/tcp_tests/tests/system/test_install_mcp11_ovs_newton.py
+++ b/tcp_tests/tests/system/test_install_mcp11_ovs_newton.py
@@ -36,7 +36,7 @@
 
         """
         openstack_actions._salt.local(
-            tgt='*', fun='cmd.run',
+            tgt='* and not prx*', fun='cmd.run',
             args='service ntp stop; ntpd -gq; service ntp start')
 
         if settings.RUN_TEMPEST:
@@ -57,7 +57,7 @@
 
         """
         openstack_actions._salt.local(
-            tgt='*', fun='cmd.run',
+            tgt='* and not prx*', fun='cmd.run',
             args='service ntp stop; ntpd -gq; service ntp start')
 
         if settings.RUN_TEMPEST: