Hi - I got some useful tips regarding the management console. Speciall I used these commands when there was a requirement in changing my Server name. RECREATE EM REPOSITORY ====================== ################################################################################ # warning: 1. emca put database into quiesced mode, only DBA transaction # continues,the other waits, on production db there must be downtime # # 2. if some emca process fails, make a manual check and clean # - check OS processes,is java app running emca, RepManagerand,kill # # - is database in quiesced mode? # => SQL> select active_state from v$instance # => you can send # SQL> ALTER SYSTEM UNQUIESCED; # ################################################################################ emca help - see full syntax emctl stop dbconsole #To Drop emca -deconfig dbcontrol d...