Exchange 2010 SP1 Prerequisites on 2008 R2 SP1

After Exchange 2010 SP1 became publicly available I wrote, apart from the SP1 changes, also on the prerequisites differences, comparing Windows Server 2008 with Windows Server 2008 R2. Note that these prerequisites are additional to the server roles and features required to install Exchange 2010 server roles.

With the recent release of Windows Server 2008 R2 Service Pack 1 a new operating system level was introduced to the spectrum. It would be interesting to see what impact R2 SP1 has on these prerequisites. When we put that Exchange 2010 SP1 prerequisites in a table, comparing them to Windows Server 2008 R2 prerequisites, we get the following:

Component Windows Server
2008 R2
Windows Server
2008 R2 SP1
AD RMS KB979099  
.NET Framework 2.0 KB979744KB977020 (CAS)  
.NET Framework 3.5 KB982867  
ASP.NET 2.0 KB983440  
UCMA (UM) UCMA Runtime 2.0 UCMA Runtime 2.0
Content Filtering(Hub, Mbx) Office 2010 Filter Pack Office 2010 Filter Pack

That’s excellent, no hotfixes to install upfront and the required reboot that goes with it. For the suspicious, I’ve included a screenshot on my blog of what Setup reports on a freshly installed Windows Server 2008 R2 SP1 server; you can watch it here.

So, we can conclude going straight to Windows Server 2008 R2 SP1 with Exchange 2010 SP1 should make the job of deploying Exchange 2010 SP1 easier and save you some time.

Michel de Rooij

Michel de Rooij is a converged communications consultant for Dimension Data, with a strong focus on Messaging and Unified Communications technologies. Starting out as a developer in 1994, Michel made the switch to infrastructure technology over the years to become a consultant focused on Exchange Server and related technologies like Active Directory and messaging in general. Michel is a BSc, MCITP, MCTS and MCSE-M. Michel runs a blog on and is active in the messaging and collaboration community for which he received a Microsoft Community Contributor Award in 2011. You can reach Michel at You can also follow him on Twitter at @mderooij.

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