Do I need to Install the Ex2010 SP1 Hotfixes for Win Server 2008 R2 ??

Hi Experts,

I'm trying to setup an Ex2010 on Ex2003 organization on a 2008 R2 box.  
Reading some doc, I was told I have to install the following hotfixes otherwise the setup will stop -- But I got an error "This update is not applicable to your computer." Any idea what is going on?

The Hotfixes are:
KB979099, An update is available to remove the application manifest expiry feature from AD RMS clients. Without this update, the AD RMS features may stop working.

KB979744, A .NET Framework 2.0-based Multi-AppDomain application stops responding when you run the application.

KB983440, An ASP.NET 2.0 hotfix rollup package is available for Windows 7 and for Windows Server 2008 R2. For more information, see these MSDN Code Gallery pages:

KB983440 - Win7 rollup package (PR for QFE 810219).

KB977020, FIX: An application that is based on the Microsoft .NET Framework 2.0 Service Pack 2 and that invokes a Web service call asynchronously throws an exception on a computer that is running Windows 7.

KB979099, An update is available to remove the application manifest expiry feature from AD RMS clients. Without this update, the AD RMS features may stop working.

Who is Participating?
Adam BrownConnect With a Mentor Sr Solutions ArchitectCommented:
That's to install Exchange 2010 SP1 on Windows 2008 R2 RTM (The base version). With Windows 2008 R2 SP1, you don't need to install them. 2008 R2 SP1 just came out last month and includes all the hotfixes included in that article.
Seth SimmonsSr. Systems AdministratorCommented:
I've done a 2010 install in a test environment and didn't have to install any of this.
But to answer your question about the hotfixes....

979099, 979744, 983440:
may not apply if you have R2 SP1 (some indicate RTM level) or if some components (such as AD RMS) are not installed

applies to Windows 7; no mention of 2008
Syed Mutahir AliTechnology ConsultantCommented:

Have a look at the above article.

Hope that helps
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Adam BrownSr Solutions ArchitectCommented:
If you have 2008R2 SP1, you do not need to install any of the hotfixes (tested it myself when the Service Pack came out). Many of those hotfixes have multiple versions. Make sure you have the right version. If you have the right version and it says "Not Applicable" then you don't have to install them. Realistically, just get R2 SP1 installed and forget about the hassle.
CastlewoodAuthor Commented:
Interesting result from Microsot Technet. The following article is the one I read and it is even newer.

In "Install the Exchange 2010 SP1 Hotfixes for Windows Server 2008 R2" paragraph it says those hotfixes are required.
CastlewoodAuthor Commented:
Since I installed 2008 R2 SP1 already so as you said the hotfixes are not needed in this case.
By the way, to prepare the AD, I should run the following commands on the new Exchange box or on the DC box ?? /pl /PrepareSchema /PrepareAD
Adam BrownSr Solutions ArchitectCommented:
You can run them on either, but realistically those commands will be run automatically during the installation process. You don't have to run them separately with the 2010 installation.
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