Never mind. Removing the /usr/lib/rsc dir allowed me to reinstall.
Why do you need to reinstall just the agent?
Please follow the path and execute this command:: cd /opt/bmc/BladeLogic/8.0/NSH/Uninstall.
it will Uninstall your previous RSCD agent, and then go to just go into:: cd /usr/lib/rsc and fire the command
rm -rf secure exports users users.local
it will remove all these above directories. and then now go into :: cd /opt and here again fire the above command by following syntax::
rm -rf bmc
now your RSCD agent is completely uninstall from your server. now you can perform re-installation.
Won’t that also uninstall the agent on the appserver?
Ohh Yeah, Actually i forgot it was on app server. i was concentrated on target server...while i was writing my thoughts.