Enterprise Manager is a multi-administrator system. Every person who is
administering systems using Enterprise Manager has their own administrator
account which they use to log into the Console
1-From the main page go Setup >> Security >> Administrators.
2-Use the Create option.
3-Fill-up the details.
4-Choose the Roles that the user will receive.
5-Choose the privileges that the user will receive.
6-Choose more detailed privileges that the user will receive.