diff --git a/install-guide/source/configure_services/glance/install-glance-obs.rst b/install-guide/source/configure_services/glance/install-glance-obs.rst
index 10abd2f9bc..2aa0a291fe 100644
--- a/install-guide/source/configure_services/glance/install-glance-obs.rst
+++ b/install-guide/source/configure_services/glance/install-glance-obs.rst
@@ -11,26 +11,20 @@ Configure the Image service to use Telemetry
   ``/etc/glance/glance-registry.conf`` files and
   complete the following actions:
 
-  * In the ``[DEFAULT]``, ``[oslo_messaging_notifications]``, and
-    ``[oslo_messaging_rabbit]`` sections, configure notifications and RabbitMQ
+  * In the ``[DEFAULT]``, ``[oslo_messaging_notifications]`` sections,
+    configure notifications and RabbitMQ
     message broker access:
 
     .. code-block:: ini
 
        [DEFAULT]
        ...
-       rpc_backend = rabbit
+       transport_url = rabbit://openstack:RABBIT_PASS@controller
 
        [oslo_messaging_notifications]
        ...
        driver = messagingv2
 
-       [oslo_messaging_rabbit]
-       ...
-       rabbit_host = controller
-       rabbit_userid = openstack
-       rabbit_password = RABBIT_PASS
-
     Replace ``RABBIT_PASS`` with the password you chose for
     the ``openstack`` account in ``RabbitMQ``.
 
diff --git a/install-guide/source/configure_services/glance/install-glance-rdo.rst b/install-guide/source/configure_services/glance/install-glance-rdo.rst
index d4601f0676..58a4ba17f6 100644
--- a/install-guide/source/configure_services/glance/install-glance-rdo.rst
+++ b/install-guide/source/configure_services/glance/install-glance-rdo.rst
@@ -11,26 +11,20 @@ Configure the Image service to use Telemetry
   ``/etc/glance/glance-registry.conf`` files and
   complete the following actions:
 
-  * In the ``[DEFAULT]``, ``[oslo_messaging_notifications]``, and
-    ``[oslo_messaging_rabbit]`` sections, configure notifications and RabbitMQ
+  * In the ``[DEFAULT]``, ``[oslo_messaging_notifications]`` sections,
+    configure notifications and RabbitMQ
     message broker access:
 
     .. code-block:: ini
 
        [DEFAULT]
        ...
-       rpc_backend = rabbit
+       transport_url = rabbit://openstack:RABBIT_PASS@controller
 
        [oslo_messaging_notifications]
        ...
        driver = messagingv2
 
-       [oslo_messaging_rabbit]
-       ...
-       rabbit_host = controller
-       rabbit_userid = openstack
-       rabbit_password = RABBIT_PASS
-
     Replace ``RABBIT_PASS`` with the password you chose for
     the ``openstack`` account in ``RabbitMQ``.
 
diff --git a/install-guide/source/configure_services/glance/install-glance-ubuntu.rst b/install-guide/source/configure_services/glance/install-glance-ubuntu.rst
index 55f590e74a..b46fe5ecfa 100644
--- a/install-guide/source/configure_services/glance/install-glance-ubuntu.rst
+++ b/install-guide/source/configure_services/glance/install-glance-ubuntu.rst
@@ -11,26 +11,20 @@ Configure the Image service to use Telemetry
   ``/etc/glance/glance-registry.conf`` files and
   complete the following actions:
 
-  * In the ``[DEFAULT]``, ``[oslo_messaging_notifications]``, and
-    ``[oslo_messaging_rabbit]`` sections, configure notifications and RabbitMQ
+  * In the ``[DEFAULT]``, ``[oslo_messaging_notifications]`` sections,
+    configure notifications and RabbitMQ
     message broker access:
 
     .. code-block:: ini
 
        [DEFAULT]
        ...
-       rpc_backend = rabbit
+       transport_url = rabbit://openstack:RABBIT_PASS@controller
 
        [oslo_messaging_notifications]
        ...
        driver = messagingv2
 
-       [oslo_messaging_rabbit]
-       ...
-       rabbit_host = controller
-       rabbit_userid = openstack
-       rabbit_password = RABBIT_PASS
-
     Replace ``RABBIT_PASS`` with the password you chose for
     the ``openstack`` account in ``RabbitMQ``.
 
diff --git a/install-guide/source/configure_services/nova/install-nova-common.rst b/install-guide/source/configure_services/nova/install-nova-common.rst
index 27c29ec987..b14d232cf1 100644
--- a/install-guide/source/configure_services/nova/install-nova-common.rst
+++ b/install-guide/source/configure_services/nova/install-nova-common.rst
@@ -1,20 +1,14 @@
 2. Edit the ``/etc/ceilometer/ceilometer.conf`` file and
    complete the following actions:
 
-   * In the ``[DEFAULT]`` and ``[oslo_messaging_rabbit]`` sections,
-     configure ``RabbitMQ`` message queue access:
+   * In the ``[DEFAULT]`` section, configure ``RabbitMQ``
+     message queue access:
 
      .. code-block:: ini
 
         [DEFAULT]
         ...
-        rpc_backend = rabbit
-
-        [oslo_messaging_rabbit]
-        ...
-        rabbit_host = controller
-        rabbit_userid = openstack
-        rabbit_password = RABBIT_PASS
+        transport_url = rabbit://openstack:RABBIT_PASS@controller
 
      Replace ``RABBIT_PASS`` with the password you chose for the
      ``openstack`` account in ``RabbitMQ``.
diff --git a/install-guide/source/install-base-config-common.rst b/install-guide/source/install-base-config-common.rst
index 17d121077c..b208478c0e 100644
--- a/install-guide/source/install-base-config-common.rst
+++ b/install-guide/source/install-base-config-common.rst
@@ -14,20 +14,14 @@
      as ':', '/', '+', and '@' in the connection string in accordance
      with `RFC2396 <https://www.ietf.org/rfc/rfc2396.txt>`_.
 
-      * In the ``[DEFAULT]`` and ``[oslo_messaging_rabbit]`` sections,
+      * In the ``[DEFAULT]`` section,
         configure ``RabbitMQ`` message queue access:
 
         .. code-block:: ini
 
            [DEFAULT]
            ...
-           rpc_backend = rabbit
-
-           [oslo_messaging_rabbit]
-           ...
-           rabbit_host = controller
-           rabbit_userid = openstack
-           rabbit_password = RABBIT_PASS
+           transport_url = rabbit://openstack:RABBIT_PASS@controller
 
         Replace ``RABBIT_PASS`` with the password you chose for the
         ``openstack`` account in ``RabbitMQ``.