McAfee Anti-virus problem w/HP EX490 MediaSmart Server

Hi Guys. New at this and could really use a hand with the following problem: I have a HP EX490 MediaSmart Server (bundled w/ McAfee Anti-virus) linking two Win7 machines (Ultimate, 64bit). I get server errors: "Your Server is not protected" / "Virus DAT files are out of date". When I try to update I get "Invalid Entitlement". I installed a trial version of McAfee "Security-as-a-Service" and get this msg: "Your PC is Secure". How do I get the McAfee anti-virus on to the server? Any help w/ this would be greatly appreciated. Cheers.

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