diff --git a/ansible-role-requirements.yml b/ansible-role-requirements.yml
index 1da5cd3dd0..c1cf9be9a5 100644
--- a/ansible-role-requirements.yml
+++ b/ansible-role-requirements.yml
@@ -63,6 +63,11 @@
   src: https://opendev.org/openstack/openstack-ansible-openstack_openrc
   version: master
   trackbranch: master
+- name: os_adjutant
+  scm: git
+  src: https://opendev.org/openstack/openstack-ansible-os_adjutant
+  version: master
+  trackbranch: master
 - name: os_aodh
   scm: git
   src: https://opendev.org/openstack/openstack-ansible-os_aodh
diff --git a/deploy-guide/source/configure.rst b/deploy-guide/source/configure.rst
index 58776303ab..09776dd0c8 100644
--- a/deploy-guide/source/configure.rst
+++ b/deploy-guide/source/configure.rst
@@ -126,6 +126,8 @@ Infrastructure service roles
 OpenStack service roles
 -----------------------
 
+- :role_docs:`os_adjutant`
+
 - :role_docs:`os_aodh`
 
 - :role_docs:`os_barbican`
diff --git a/doc/source/contributor/role-maturity-matrix.html b/doc/source/contributor/role-maturity-matrix.html
index b06171bfac..087a3f8d96 100644
--- a/doc/source/contributor/role-maturity-matrix.html
+++ b/doc/source/contributor/role-maturity-matrix.html
@@ -108,6 +108,15 @@
         <td>✔</td>
         <td>✔</td>
     </tr>
+    <tr class="warning">
+        <td>os_adjutant</td>
+        <td>Ussuri</td>
+        <td>Incubated</td>
+        <td>✔</td>
+        <td>✔</td>
+        <td>✔</td>
+        <td>✔</td>
+    </tr>
     <tr >
         <td>os_aodh</td>
         <td>Mitaka</td>
diff --git a/etc/openstack_deploy/conf.d/adjutant.yml.aio b/etc/openstack_deploy/conf.d/adjutant.yml.aio
new file mode 100644
index 0000000000..817fd41a75
--- /dev/null
+++ b/etc/openstack_deploy/conf.d/adjutant.yml.aio
@@ -0,0 +1,3 @@
+registration_hosts:
+  aio1:
+    ip: 172.29.236.100
diff --git a/etc/openstack_deploy/conf.d/adjutant.yml.example b/etc/openstack_deploy/conf.d/adjutant.yml.example
new file mode 100644
index 0000000000..15c2255711
--- /dev/null
+++ b/etc/openstack_deploy/conf.d/adjutant.yml.example
@@ -0,0 +1,8 @@
+# The infra nodes that will be running the adjutant services
+registration_hosts:
+  infra1:
+    ip: 172.20.236.111
+  infra2:
+    ip: 172.20.236.112
+  infra3:
+    ip: 172.20.236.113
diff --git a/etc/openstack_deploy/user_secrets.yml b/etc/openstack_deploy/user_secrets.yml
index c9ff8115ad..7b8993f878 100644
--- a/etc/openstack_deploy/user_secrets.yml
+++ b/etc/openstack_deploy/user_secrets.yml
@@ -40,16 +40,10 @@ keystone_oslomsg_rpc_password:
 # your user variables.
 #keystone_oslomsg_notify_password:
 
-## Ceilometer Options:
-ceilometer_container_db_password:
-ceilometer_service_password:
-ceilometer_telemetry_secret:
-ceilometer_oslomsg_rpc_password:
-#NOTE: Please uncomment those
-# if you want to split rpc and notify users
-# Please also wire the appropriate userid in
-# your user variables.
-#ceilometer_oslomsg_notify_password:
+## Adjutant Options:
+adjutant_galera_password:
+adjutant_service_password:
+adjutant_secret_key:
 
 ## Aodh Options:
 aodh_container_db_password:
@@ -61,6 +55,17 @@ aodh_oslomsg_rpc_password:
 # your user variables.
 #aodh_oslomsg_notify_password:
 
+## Ceilometer Options:
+ceilometer_container_db_password:
+ceilometer_service_password:
+ceilometer_telemetry_secret:
+ceilometer_oslomsg_rpc_password:
+#NOTE: Please uncomment those
+# if you want to split rpc and notify users
+# Please also wire the appropriate userid in
+# your user variables.
+#ceilometer_oslomsg_notify_password:
+
 ## Cinder Options
 cinder_container_mysql_password:
 cinder_service_password:
diff --git a/inventory/env.d/adjutant.yml b/inventory/env.d/adjutant.yml
new file mode 100644
index 0000000000..275a5bd864
--- /dev/null
+++ b/inventory/env.d/adjutant.yml
@@ -0,0 +1,34 @@
+---
+# Copyright 2020, City Network International AB.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+component_skel:
+  adjutant_api:
+    belongs_to:
+      - adjutant_all
+
+container_skel:
+  adjutant_container:
+    belongs_to:
+      - registration_containers
+    contains:
+      - adjutant_api
+
+physical_skel:
+  registration_containers:
+    belongs_to:
+      - all_containers
+  registration_hosts:
+    belongs_to:
+      - hosts
diff --git a/inventory/group_vars/haproxy/haproxy.yml b/inventory/group_vars/haproxy/haproxy.yml
index 1e735f1cf1..a0b90915b2 100644
--- a/inventory/group_vars/haproxy/haproxy.yml
+++ b/inventory/group_vars/haproxy/haproxy.yml
@@ -246,6 +246,17 @@ haproxy_default_services:
       haproxy_backend_options:
         - "httpchk GET /healthcheck HTTP/1.0\\r\\nUser-agent:\\ osa-haproxy-healthcheck"
       haproxy_service_enabled: "{{ groups['swift_proxy'] is defined and groups['swift_proxy'] | length > 0 }}"
+  - service:
+      haproxy_service_name: adjutant_api
+      haproxy_backend_nodes: "{{ groups['adjutant_api'] | default([]) }}"
+      haproxy_ssl: "{{ haproxy_ssl }}"
+      haproxy_ssl_all_vips: "{{ haproxy_ssl_all_vips }}"
+      haproxy_port: 5050
+      haproxy_balance_type: http
+      haproxy_balance_alg: source
+      haproxy_backend_options:
+        - "httpchk GET / HTTP/1.0\\r\\nUser-agent:\\ osa-haproxy-healthcheck"
+      haproxy_service_enabled: "{{ groups['adjutant_api'] is defined and groups['adjutant_api'] | length > 0 }}"
   - service:
       haproxy_service_name: aodh_api
       haproxy_backend_nodes: "{{ groups['aodh_api'] | default([]) }}"
diff --git a/inventory/group_vars/horizon_all.yml b/inventory/group_vars/horizon_all.yml
index eb93d7a734..1f82a18922 100644
--- a/inventory/group_vars/horizon_all.yml
+++ b/inventory/group_vars/horizon_all.yml
@@ -16,6 +16,7 @@
 horizon_external_ssl: "{{ openstack_external_ssl }}"
 horizon_service_region: "{{ service_region }}"
 horizon_enable_cinder_backup: "{{ hostvars['localhost']['cinder_service_backup_program_enabled'] }}"
+horizon_enable_adjutant_ui: "{{ (groups['adjutant_all'] is defined) and (groups['adjutant_all'] | length > 0) }}"
 horizon_enable_blazar_ui: "{{ (groups['blazar_all'] is defined) and (groups['blazar_all'] | length > 0) }}"
 horizon_enable_heat_ui: "{{ (groups['heat_all'] is defined) and (groups['heat_all'] | length > 0) }}"
 horizon_enable_ironic_ui: "{{ (groups['ironic_all'] is defined) and (groups['ironic_all'] | length > 0) }}"
diff --git a/inventory/inventory.ini b/inventory/inventory.ini
index 19be9f214b..79e630a137 100644
--- a/inventory/inventory.ini
+++ b/inventory/inventory.ini
@@ -31,6 +31,10 @@ hosts
 [utility_all]
 
 ## Mandatory groups for the setup-openstack playbooks
+[adjutant_all:children]
+adjutant_api
+[adjutant_api]
+
 [aodh_all:children]
 aodh_alarm_evaluator
 aodh_alarm_notifier
diff --git a/playbooks/defaults/repo_packages/openstack_services.yml b/playbooks/defaults/repo_packages/openstack_services.yml
index 74a1628bb7..d8c3bc1b22 100644
--- a/playbooks/defaults/repo_packages/openstack_services.yml
+++ b/playbooks/defaults/repo_packages/openstack_services.yml
@@ -34,6 +34,11 @@ requirements_git_repo: https://opendev.org/openstack/requirements
 requirements_git_install_branch: 0c6ba9b1ee76e5670d201bed97fa44611b93ba8b # HEAD as of 29.11.2020
 requirements_git_track_branch: stable/victoria
 
+## Adjutant service
+adjutant_git_repo: https://opendev.org/openstack/adjutant
+adjutant_git_install_branch: 43e0c625e39f826b578e3e5c25519606d9b72808  # HEAD as of 06.10.2020
+adjutant_git_project_group: adjutant_all
+adjutant_git_track_branch: stable/victoria
 
 ## Aodh service
 aodh_git_repo: https://opendev.org/openstack/aodh
diff --git a/playbooks/os-adjutant-install.yml b/playbooks/os-adjutant-install.yml
new file mode 100644
index 0000000000..11044b0016
--- /dev/null
+++ b/playbooks/os-adjutant-install.yml
@@ -0,0 +1,63 @@
+---
+# Copyright 2020, City Network International AB
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- name: Gather adjutant facts
+  hosts: adjutant_all
+  gather_facts: "{{ osa_gather_facts | default(True) }}"
+  tags:
+    - always
+
+- name: Install adjutant services
+  hosts: adjutant_all
+  gather_facts: false
+  serial: "{{ adjutant_api_serial | default(['1','100%']) }}"
+  user: root
+  environment: "{{ deployment_environment_variables | default({}) }}"
+  vars_files:
+    - "defaults/repo_packages/openstack_services.yml"
+    - "defaults/{{ install_method }}_install.yml"
+  tags:
+    - adjutant
+  pre_tasks:
+    # In order to ensure that any container, software or
+    # config file changes which causes a container/service
+    # restart do not cause an unexpected outage, we drain
+    # the load balancer back end for this container.
+    - include_tasks: common-tasks/haproxy-endpoint-manage.yml
+      vars:
+        haproxy_backend: adjutant_api-back
+        haproxy_state: disabled
+      when:
+        - "'adjutant_api' in group_names"
+        - "groups['adjutant_api'] | length > 1"
+
+    - include_tasks: common-tasks/unbound-clients.yml
+      when:
+        - hostvars['localhost']['resolvconf_enabled'] | bool
+
+  roles:
+   - role: "os_adjutant"
+
+  post_tasks:
+    # Now that container changes are done, we can set
+    # the load balancer back end for this container
+    # to available again.
+    - include_tasks: common-tasks/haproxy-endpoint-manage.yml
+      vars:
+        haproxy_backend: adjutant_api-back
+        haproxy_state: enabled
+      when:
+        - "'adjutant_api' in group_names"
+        - "groups['adjutant_api'] | length > 1"
diff --git a/playbooks/setup-openstack.yml b/playbooks/setup-openstack.yml
index 441190bd21..4da24a88d1 100644
--- a/playbooks/setup-openstack.yml
+++ b/playbooks/setup-openstack.yml
@@ -25,6 +25,7 @@
 - import_playbook: os-designate-install.yml
 - import_playbook: os-gnocchi-install.yml
 - import_playbook: os-swift-install.yml
+- import_playbook: os-adjutant-install.yml
 - import_playbook: os-ceilometer-install.yml
 - import_playbook: os-aodh-install.yml
 - import_playbook: os-panko-install.yml
diff --git a/releasenotes/notes/os_adjutant-ec59fc6a996e1fbe.yaml b/releasenotes/notes/os_adjutant-ec59fc6a996e1fbe.yaml
new file mode 100644
index 0000000000..b63cee7ed8
--- /dev/null
+++ b/releasenotes/notes/os_adjutant-ec59fc6a996e1fbe.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Experimental support has been added to allow the deployment of the
+    OpenStack Adjutant service when hosts are present in the host group
+    ``registration_hosts``.
diff --git a/tests/test_inventory.py b/tests/test_inventory.py
index 5be4b6cf93..cc2f22c43a 100644
--- a/tests/test_inventory.py
+++ b/tests/test_inventory.py
@@ -136,6 +136,9 @@ class TestAnsibleInventoryFormatConstraints(unittest.TestCase):
         'aio1-host_containers',
         'all',
         'all_containers',
+        'adjutant_all',
+        'adjutant_api',
+        'adjutant_container',
         'aodh_alarm_evaluator',
         'aodh_alarm_notifier',
         'aodh_all',
@@ -426,6 +429,9 @@ class TestAnsibleInventoryFormatConstraints(unittest.TestCase):
         'rabbit_mq_container',
         'rabbitmq',
         'rabbitmq_all',
+        'registration_all',
+        'registration_containers',
+        'registration_hosts',
         'remote',
         'remote_containers',
         'repo-infra_all',
diff --git a/zuul.d/jobs.yaml b/zuul.d/jobs.yaml
index 7a959c2f9f..1521018ad3 100644
--- a/zuul.d/jobs.yaml
+++ b/zuul.d/jobs.yaml
@@ -36,6 +36,7 @@
       - name: openstack/openstack-ansible-openstack_hosts
       - name: openstack/openstack-ansible-os_keystone
       - name: openstack/openstack-ansible-openstack_openrc
+      - name: openstack/openstack-ansible-os_adjutant
       - name: openstack/openstack-ansible-os_aodh
       - name: openstack/openstack-ansible-os_barbican
       - name: openstack/openstack-ansible-os_blazar
@@ -79,6 +80,7 @@
       - name: openstack/ansible-role-uwsgi
       # OpenStack service repos - listed here to make cached repos available in CI
       - name: openstack/requirements
+      - name: openstack/adjutant
       - name: openstack/aodh
       - name: openstack/barbican
       - name: openstack/ceilometer