Windows Mgmt Framework 3.0 on Server 2008 R2 (as prereq for Exchange 2012)

Windows Server 2008 R2 (x64)
Goal: prep for and install Exchange 2012

Hi there,
According to the MS prerequisites (Technet Article), I need to install .Net 4.5 and Windows MGMT Framework 3.0 before installing Exchange 2012.  However, when I try to install the latter, I get "this update is not applicable to your computer."

I have added the Feature "Windows PowerShell ISE" from Server Manager.

Googling this issue, a common resolution seems to be .Net 4.0.  However, I can't install this simultaneously with .Net 4.5.  I'm inclined to uninstall .Net 4.5, except that MS insists that .Net 4.0 is NOT needed.  (see above article)  Any ideas?
Thanks!
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cuiincAsked:
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SreRajConnect With a Mentor Commented:
Please try running windows update and install any updates available and then restart the machine.

Ref: http://public.madeinengland.co.nz/windows-management-framework-3-0-the-update-is-not-applicable-to-your-computer/
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SreRajCommented:
Hi,

Do you have SP1 on Windows Server 2008 R2? That is a requirement for Framework 3.0. Following is the requirements listed in Microsoft's website.



Supported Operating System

 Windows 7 Service Pack 1, Windows Server 2008 R2 SP1, Windows Server 2008 Service Pack 2

IMPORTANT: Windows Management Framework 3.0 is not currently compatible with the following applications:

•System Center 2012 Configuration Manager. For more information, see KB 2796086.

•System Center Virtual Machine Manager. For more information, see KB 2795043.

•Microsoft Exchange Server 2007 and Microsoft Exchange Server 2010. For more information, see Windows Management Framework 3.0 on Exchange 2007 and Exchange 2010.

•Microsoft SharePoint 2010. For more information, see Windows PowerShell 3.0 and SharePoint 2010.

•Windows Small Business Server 2008 and Windows Small Business Server 2011. For more information, see Windows Management Framework 3.0 applicability on Windows Small Business Server 2008/2011 Standard.
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cuiincAuthor Commented:
I do have SP1 installed.  
Windows Server 2008 R2 Enterprise, with Service Pack 1
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cuiincAuthor Commented:
As a note to others who may have this issue: the Windows update that I needed to install was NOT a critical update, it was an optional .NET 4.5 update.
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