If the oracle user account is created using NIS-based authentication (Network Information Services), the Oracle VM Manager installation fails during the prerequisite check, and the following error is displayed:

Verifying installation prerequisites ...
hardnofiles should be set to 8192 but was 0
Configuration verification failed ...

Or the installation may pass prerequisite check, but may fail later during the installation of the Application Development Framework:

Retrieving Oracle Application Development Framework (ADF) ...
Unzipping Oracle ADF ...
Installing Oracle ADF ...
Installing Oracle ADF Patch...

To workaround this issue, disable ypbind service and create a non-NIS-based oracle user account using createOracle.sh on the host computer and rerun the installer:

# /sbin/service ypbind stop
# service ypbind status
ypbind is stopped
# ./createOracle.sh
# ./runInstaller.sh