update or reset the dac admin password for the dac client
how to reset the dac admin password for the oracle dac client:
- Log into the DAC repository database (using sql) 
- Locate the table W_ETL_USER and delete all records 
- Log on DAC client with default user/password as Administrator/Administrator 
Re-create the dac admin user again by performing the following:
- modifying the existing connection by clicking on Configure in the dac client login screen 
- Modify Connection -> Test Connection (just to test to see if you need to change the table owner login) 
- Go back to the dac client login screen, login as the table owner 
- Confirm the login on the Creating default Administrator account… screen 
- Create the dac admin account on the next screen 
 
                         
            