I have MSCA 2012, I want MCSA 2008 before it retires

Hi guys,
I have MCSA 2012 but I really want the MCSA 2008 before it retires.
Is there a shortcut to getting it fast, like an upgrade version or something?
It's impossible to get before July 31 by getting all 3... advices?
Retiring on July 31, 2017
70-640: TS: Windows Server 2008 Active Directory, Configuring
70-642: TS: Windows Server 2008 Network Infrastructure, Configuring
70-646: Pro: Windows Server 2008, Server Administrator
I have MCSA 2012 but I really want the MCSA 2008 before it retires.
Is there a shortcut to getting it fast, like an upgrade version or something?
It's impossible to get before July 31 by getting all 3... advices?
Retiring on July 31, 2017
70-640: TS: Windows Server 2008 Active Directory, Configuring
70-642: TS: Windows Server 2008 Network Infrastructure, Configuring
70-646: Pro: Windows Server 2008, Server Administrator
Comments
MCSE Cloud Platform and Infrastructure, MCSA Windows Server 2012, MCSA SQL Server 2012/2014, MCSA Windows 10, MCITP Server Admin, Security+, Virtualization with Windows Server Hyper-V and System Center Specialist
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Master of Science in Information Security and Assurance - Western Governors University
Bachelor of Science in Network Administration - Western Governors University
Associate of Applied Science x4 - Heald College
If you're set on doing it, then I say go for it. You should be able to take down 70-640 in a couple of weeks (beware, though, it's a BEAST,) the 70-642 shouldn't be mostly familiar territory, and the only thing I'd say is give yourself some extra time for 70-646 since it includes a lot of stuff - like the old version of Remote Desktop Gateway, the old version of SCCM, etc. - that may throw you for a loop if you haven't used it before. It's a little mind-bending, stepping backwards, as opposed to growing your knowledge and moving forwards to new technology. . . so don't forget to look ahead to the MCSA 2016 upgrade at some point.
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If your employer is subsidizing it and you feel inclined, go for it...? Good luck with whatever you decide here.
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