When will Server 2008 R2 sp 1 & sp2 be an available option under Endpoint security/ Host checker/ Allowed Windows Versions?
I check the latest build and there is no check for SP for Windows Server 2008. I would recommend filing an ER for this request. I'll discuss this internally as well to see what I can do to help get this added in the future.
You may be able to work around this using a registry key check until it is available as a selection. You will just have to find one that changes or only exists on install of the SP.
Already discussed the subject with some customers: there is no reason that a 2008 server should be used as an endpoint for me.
So I guess the only solution is to check other parameters as suggested by Steve