diff --git a/vmware_nsx/plugins/nsx_v3/plugin.py b/vmware_nsx/plugins/nsx_v3/plugin.py
index 931f18bd19..40b7abdaf6 100644
--- a/vmware_nsx/plugins/nsx_v3/plugin.py
+++ b/vmware_nsx/plugins/nsx_v3/plugin.py
@@ -329,7 +329,12 @@ class NsxV3Plugin(nsx_plugin_common.NsxPluginV3Base,
         if section_id:
             self.nsxlib.firewall_section.delete(section_id)
         if ns_group_id:
-            self.nsxlib.ns_group.delete(ns_group_id)
+            try:
+                self.nsxlib.ns_group.delete(ns_group_id)
+            except Exception:
+                LOG.debug("While cleaning up duplicate sections NSGroup %s "
+                          "was not found", ns_group_id)
+
         # Ensure global variables are updated
         self._ensure_default_rules()
 
@@ -3044,7 +3049,10 @@ class NsxV3Plugin(nsx_plugin_common.NsxPluginV3Base,
                 context = context.elevated()
             super(NsxV3Plugin, self).delete_security_group(
                 context, secgroup_db['id'])
-            self.nsxlib.ns_group.delete(ns_group['id'])
+            try:
+                self.nsxlib.ns_group.delete(ns_group['id'])
+            except Exception:
+                pass
             self.nsxlib.firewall_section.delete(firewall_section['id'])
 
             if ex.__class__ is nsx_lib_exc.ResourceNotFound:
@@ -3106,7 +3114,11 @@ class NsxV3Plugin(nsx_plugin_common.NsxPluginV3Base,
             context.session, id)
         super(NsxV3Plugin, self).delete_security_group(context, id)
         self.nsxlib.firewall_section.delete(section_id)
-        self.nsxlib.ns_group.delete(nsgroup_id)
+        try:
+            self.nsxlib.ns_group.delete(nsgroup_id)
+        except Exception:
+            LOG.debug("While deleting SG %s NSGroup %s was not found",
+                      id, nsgroup_id)
 
     def create_security_group_rule(self, context, security_group_rule):
         bulk_rule = {'security_group_rules': [security_group_rule]}
diff --git a/vmware_nsx/shell/admin/plugins/nsxv3/resources/securitygroups.py b/vmware_nsx/shell/admin/plugins/nsxv3/resources/securitygroups.py
index c33bf8ca33..0d0fa33bad 100644
--- a/vmware_nsx/shell/admin/plugins/nsxv3/resources/securitygroups.py
+++ b/vmware_nsx/shell/admin/plugins/nsxv3/resources/securitygroups.py
@@ -220,7 +220,13 @@ def fix_security_groups(resource, event, trigger, **kwargs):
                 nsxlib.firewall_section.delete(sg['section-id'])
             except Exception:
                 pass
-            nsxlib.ns_group.delete(sg['nsx-securitygroup-id'])
+
+            try:
+                nsxlib.ns_group.delete(sg['nsx-securitygroup-id'])
+            except Exception:
+                LOG.debug("NSGroup %s does not exists for delete request.",
+                          sg['nsx-securitygroup-id'])
+
             neutron_sg.delete_security_group_section_mapping(sg_id)
             neutron_sg.delete_security_group_backend_mapping(sg_id)
             nsgroup, fw_section = (