McAfee VirusScan Enterprise (VSE) 8.5i (including supported patches), the AntiSpyware Enterprise 8.5i plug-in, and McAfee Installation Designer (MID) 8.5 will reach EOS on December 31, 2011.
McAfee shall not provide support for this version of the product and its related components beyond this date. McAfee strongly recommends that customers who are still using McAfee VirusScan Enterprise 8.5i make provisions to migrate to the latest version of the product by this date.
Contact your account manager or Support Account Manager if you have any questions about this announcement.
So you are basically on your own trying it.