There are some prerequisites that must be met. The information for checking your system compatibility as well as the prerequisites can be found in section 6.2 "Considerations and Prerequisites for Installation" of our NetIQ Identity Manager Setup Guide and also in Section 4.0 of our NetIQ Identity Manager 4.5 Service Pack 2 Release Notes.
A listing of Known Issues can be found in Section 6.0 "Known Issues" also contained in the NetIQ Identity Manager 4.5 Service Pack 2 Release Notes.
Setup Guide specific links:
Planning to Install Identity Manager: Section 6.2, Installing Identity Manager on an RHEL 6.x or 7.x Server
System Requirements for the Identity Vault: https://www.netiq.com/documentation/idm45/setup_guide/data/b189nap8.html
System Requirements for the Identity Manager Engine: https://www.netiq.com/documentation/idm45/setup_guide/data/b194dddx.html
System Requirements for Identity Reporting (EAS): https://www.netiq.com/documentation/idm45/setup_guide/data/b1dft23e.html