Oracle ASM password must use pure alphanumerics. It will cuase some problems (i.e. emctl could not start) if not follow this rule. Here are steps to make emctl work: 1> Remove the old ASM password cd $GRID_HOME mv orapw+ASM orapw+ASM.orig 2> Create a new password orapwd file=orapw+ASM password= 3> Setup Env export ORACLE_SID=+ASM export ORACLE_HOME=$GRID_HOME 4> Create ASM User sqlplus / as sysasm create user asmsnmp identified by grant sysdba to asmsnmp; 5> Drop EMCA emca -deconfig dbcontrol db -repos drop 6> Create EMCA emca -config dbcontrol db -repos recreate /u01/app/grid/product/11.2.0/dbhome_1/dbs >emca -config dbcontrol db -repos recreate STARTED EMCA at Jan 11, 2011 4:18:47 PMEM Configuration Assistant, Version 11.2.0.0.2 ProductionCopyright (c) 2003, 2005, Oracle. All rights reserved. Enter the following information:Database SID: HPUX03 Listener port number: 1521 Listener ORACLE_HOME [ /u01/app/...