I am trying to install an Exchange Server 2010 on a Windows Server 2012 R2 , and i got an e-mail from Microsoft, Exchange Server 2010 do not support Windows Server 2012 R2, only Server 2012. Why???

I am trying to install an Exchange Server 2010 on a Windows Server 2012 R2 , and i got an e-mail from Microsoft, Exchange Server 2010 do not support Windows Server 2012 R2, only Server 2012. Why???
AndreasChristoforidesAsked:
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Seth SimmonsSr. Systems AdministratorCommented:
by design
they chose not to have R2 be supporting exchange 2010; it fully supports exchange 2013
and you need 2010 SP3 to install on 2012

Exchange Server Supportability Matrix
http://technet.microsoft.com/en-us/library/ff728623%28v=exchg.150%29.aspx
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David CarrCommented:
Have you reviewed the prerequisites for installing Exchange Server 2010 (SP3 recommended) on Server 2012?  here  is some the list http://technet.microsoft.com/en-gb/library/bb691354%28v=exchg.141%29.aspx
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Simon Butler (Sembee)ConsultantCommented:
This shouldn't be a surprise.
Exchange 2007 was only supported on Windows 2003 and 2008, not R2.
Exchange 2003 was only supported on Windows 2003, nothing more recent.

Windows 2012 and 2012 R2 are very different products. The underlying technology is significantly different making backwards support difficult.

Exchange 2013 is actually unusual in supporting three versions of the Windows OS, most only support two.

Simon.
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