On site recently, I needed to understand which Exchange servers had which Rollup version installed.
Now obviously I could have used the Add/Remove programs control panel and set it to show Windows Updates. However, doing this on 20 servers round the world seemed like a lot of hassle!
So I went in search of another way and found this:
Paul Flaherty has written a brilliant script which gathers tons of extra info about Exchange 2007 servers.
Take it look, it might save you some time!