this is how you will find if it work. it worked on my serial. insert your mce disc in with window on and the internet disconnected. for some reason, when the net is on it make a lot of serials don't work. run setup.exe. pick upgrade. put your serial in. you will know if it accepts it.
I'm thinking that maybe if you try it with disc that was made from the factory with the second disc and rollup pack 2 (I integrated it into my old mce disc too), that maybe it would work. nlite integration doesn't always work with new stuff although they (nlite) will always fix the problem when they find that out