As above I'm trying to to install the 64bit version of Lync alongside the 32bit version of Office 2013 Pro Plus. My understanding was that you use the version of Lync that matches your OS and not your version of Office. It seems now though that 64bit Lync will not install with 32bit Office already present stating that it cannot install due to the presence of 32bit Office. 

Have I been misinformed? Is this possible?
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What happens if you install Lync first?


Answered 10/21/2014 by: EdT
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All Office products have to be the same bit edition.  The OS bit edition does not have to match.  In fact, Microsoft suggests that the 32-bit editions are installed, even on your 64-bit OS, until you can verify all of your plug-ins & add-ons are compatible & supported with Office.
Answered 10/21/2014 by: vjaneczko
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We were able to get 2013 Lync 64-bit installed along side Office 2010 32-bit.

Before you install you have to rename these two folders:
C:\Program Files (x86)\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform
C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform

Then run the installer.  If you don't it will fail with a bootstrap error every time.

I hope this helps.

Answered 10/25/2014 by: Nebnominon
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We were able to install 2013 Lync 64-bit along side with 2010 Office 32-bit. 

You have to rename these two folders before running the installer:
C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform
C:\Program Files (x86)\Common Files\microsoft shared\OfficeSoftwareProtectionPlatform

Otherwise, it will fail with a bootstrap error.
Answered 10/25/2014 by: Nebnominon
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