No. You can do the Windows Server 2012 certifications without having any Windwos Server 2008 certifications. That said, there are upgrade paths available from Windows Server 2008 to Windows Server 2012 so depending on how many 2008 certifications
you already have, it may pay you to complete your 2008 study and then upgrade to 2012.
Upgrade information can be found by selecting a MCSE certification at
http://www.microsoft.com/learning/en/us/mcse-certification.aspx and then viewing the "Upgradeable certifications" links.
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Jeff Wharton
MSysDev (C.Sturt), MDbDsgnMgt (C.Sturt), MCT, MCPD, MCSD, MCITP, MCDBA
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