I don't remember being asked for the second disc when installing on the physical servers
Either you just missed it or you have used Windows 2003 disc, not R2.
>why would System Properties not show R2 on the virtual servers when it does on the physical servers.
That means R2 components from second disc are not installed.
>Actually an ISO of the same disc was used for the virtual servers
So you've just missed message.
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MCSA, MCTS, VCP, VMware vExpert '2009
http://blog.vadmin.ru