Documentation Multi-Tier Pre-Installation & Configuration Docs Pre-Installation Checklist for Request Broker & PostgreSQL Server Agents (Mac OS X) DBMS Requirements You need to know a variety of information pertaining to your target PostgreSQL DBMS instance and database: PostgreSQL TCP port Hostname or IP address of the PostgreSQL database server Software Requirements There are no software requirements associated with use of OpenLink's PostgreSQL database agent and Request Broker on Mac OS X. Configuration Requirements You must know whether TCP ports 5000 and 8000 are in use on the local OS X machine. These ports are used by OpenLink's Request Broker and Web-based Admin Assistant. You will need to allocate different ports for these two services during installation.