Enable Database EM Console in Oracle EBS R12

Everythin explained in How to Enable Enterprise Manager on the Oracle E-Business Suite Release 12 [ID 458533.1]

in short....

1. Source db env variable
2.Create a password file(check the [Note 358201.1])

orapwd file=$ORACLE_HOME/dbs/orapw$ORACLE_SID password=passw0rd entries=5

3.Create the Enterprise Manager repository

emca -config dbcontrol db -repos create

note: If for some reason you want to drop repository(check the [Note 278100.1])

emca -deconfig dbcontrol db -repos drop

regards,
S