From Andrea:
There are two instances in our guides that reference the old "Administration and Configuration Guide". The equivalent EAP 7 guide is the "Configuration Guide", and doesn't contain the sections mentioned (sections may have moved to other guides).

EJB Guide, section "4.5. Specifying a Resource Adapter in jboss-ejb3.xml for an MDB"
"Alternatively, to configure a JBoss EAP server-wide default resource adapter for MDBs, refer to the chapter Configuring Message-Driven Beans in the Administration and Configuration Guide. "
Development Guide, section "14.1.2. First Steps with Hibernate Search"
"See Configuration in the JBoss EAP Administration and Configuration Guide to configure Hibernate Search."

We should fix the references and provide direct links to the sections in the appropriate guides.