diff --git a/server_admin/topics/user-federation/sssd.adoc b/server_admin/topics/user-federation/sssd.adoc
index a1141ff163..d7aa348d51 100644
--- a/server_admin/topics/user-federation/sssd.adoc
+++ b/server_admin/topics/user-federation/sssd.adoc
@@ -50,6 +50,10 @@ You should be prompted for the password. After that, you can add users to the IP
 
 As mentioned previously, the federation provider obtains the data from SSSD using D-BUS and authentication occurs using http://tldp.org/HOWTO/User-Authentication-HOWTO/x115.html[PAM].
 
+First, you have to install the sssd-dbus RPM, which allows information from SSSD to be transmitted over the system bus.
+
+  $ sudo yum install sssd-dbus
+
 {% if book.community %}
 
 You must run the provisioning script available from the Keycloak distribution: