To run two AnswerBook2 servers (one on your system, one from the CD), keep these rules in mind:
The /etc/init.d/ab2mgr start command always starts the server on your system.
The ab2cd command always starts the server from the CD.
Always use the ab2cd stop command to stop the server running from the CD.
To stop both servers, first use the ab2cd stop command to stop the server running from the CD, then use either /etc/init.d/ab2mgr stop or /usr/lib/ab2/bin/ab2admin -o stop to stop the server running on your system.