diff --git a/CICD/heat/gc_HOT.yaml b/CICD/heat/gc_HOT.yaml
index 75f12b0ee4902e6b2c3a742914ef282e0d869814..e7cce8c41d8d4c9140485cbfdc16f965a6cfd85a 100644
--- a/CICD/heat/gc_HOT.yaml
+++ b/CICD/heat/gc_HOT.yaml
@@ -117,7 +117,7 @@ resources:
   MgmtNodesCentos7:
    type: "OS::Heat::ResourceGroup"
    properties:
-    count: 2
+    count: 1
     resource_def:
       type: My::Server::MgmtNode
       properties:
@@ -159,9 +159,9 @@ resources:
       key_name: { get_param: ssh_key }
       name:
        list_join: [ '-', [ { get_param: "OS::stack_name" }, 'login%index%' ]]
-      security_groups: [ default, { get_param: PublicSSHSecGroupID }, { get_param: SlurmSecGroupID }, { get_param: NFSSecGroupID } ]
+      security_groups: [ default, { get_param: PublicSSHSecGroupID }, { get_param: SlurmSecGroupID }, { get_param: NFSSecGroupID }, { get_param: MySQLSecGroupID }  ]
       metadata:
-       ansible_host_groups: [ LoginNodes ]
+       ansible_host_groups: [ LoginNodes, ManagementNodes ]
        ansible_ssh_user: ec2-user
        project_name: { get_param: project_name }
       networks: