Symptoms
OUI throws the following message when installing Oracle software in Windows
" INFO: ERROR: Cannot add user to application access ACL.
No mapping between account names and security IDs was done."
Cause
This is because When you are installing Oracle for the first time , the group ORA_DBA is not already existing and is created later during the installation.
Solution
Ignore the message and continue the installation.You will not get the message when installation is done for the second time.
OR
Create "ORA_DBA" group before starting installation.