<A target="_blank" href="http://searchwindowsserver.techtarget.com/tip/0,289483,sid68_gci1374662,00.html?track=sy192">Internet Information Services (IIS) changes to version 7.5 </A>with Windows Server 2008 R2. While this is regarded as a point release, the product has been modularized allowing extensions to be added more easily.