Install ExpressConnect for Oracle using the setup program.
All open applications or utilities are closed.
Replication Server is already installed on your machine. You can install ExpressConnect for Oracle only into an existing Replication Server installation.
The target computer meets the hardware requirements and operating system requirements for installing ExpressConnect for Oracle.
You obtain a tnsnames.ora file from the Oracle administrator, which includes connection information for any replicate Oracle data server that Replication Server will be connecting to using ExpressConnect for Oracle.