How to resolve Could not validate ASMSNMP password due to following error- "ORA-01031: insufficient privileges"

Oracle 11g R2 gridgoto grid home /bin[grid@node1 bin]$ orapwd file=/u01/app/11.2.0/grid/dbs/orapw+ASM password=oracle_4U[grid@node1 dbs]$ scp orapw+ASM Node2:/u01/app/11.2.0/grid/dbs/[grid@node1 dbs]$ scp orapw+ASM Node3:/u01/app/11.2.0/grid/dbs/Login in to Oracle database asexport ORACLE_SID=+ASM1export ORACLE_HOME=/u01/app/11.2.0/grid[grid@node1 bin]$ sqlplus / as sysasmSQL>create user asmsnmp identified by oracle_4U;SQL> grant sysdba to asmsnmp;