Add LDAP domains If you see the LDAP tab, you can create domains. You can add more than one. From Site Manager select USERS & GROUPS. Select Settings. Select LDAP. Select Add Domain. Type a fully qualified domain name. Select Continue. Test LDAP sign in After you add domains, you can test signing in with LDAP credentials. From Site Manager select USERS & GROUPS. Select Settings. Select LDAP. Select Test Sign In. Type a user name and password. Select Sign In.