diff --git a/tasks/main.yml b/tasks/main.yml
index d5bec295fa8a7375793891eeac1ed0fdeab51ec6..d33cab18372bdb0b6d62698bb5797997dd5d17a7 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -319,13 +319,14 @@
   changed_when: false
   register: known_hosts_line
   with_items: "{{ groups.backup_server }}"
+  when: inventory_hostname in groups.maintenance_contract
 
 - name: Add backup servers in root known host
   ansible.builtin.known_hosts:
       hash_host: true
       key: "{{ hostvars[item['item']].host_server_known_entry }}"
       name: "[{{ hostvars[item['item']].ansible_host }}]:{{ default_sshd_port }}"
-  when: item.found is not defined
+  when: inventory_hostname in groups.maintenance_contract and item.found is not defined
   with_items: "{{ known_hosts_line.results }}"
 
 - name: Copy Installed Package Listing script on server
@@ -335,6 +336,7 @@
       owner: root
       group: root
       mode: '0700'
+  when: inventory_hostname in groups.maintenance_contract
 
 - name: Disable e-mailing of crontab
   ansible.builtin.cron:
@@ -348,3 +350,4 @@
       minute: "43"
       hour: "0"
       job: /root/collect_installed_packages_facts.sh
+  when: inventory_hostname in groups.maintenance_contract