Front-end web servers with different OS

Hi everybody,
is it possible to build a SharePoint farm with front-ends with different OS (W2k8R2 & W2012)? 
Thanks in advance,
Sergio Calleja

There should be no issues in having two WFEs running with different operating systems. If MOSS 2007 version can successfully support a mix environment of having two different OS on WFE then why not SharePoint 2013.
But I recommend to set a test environment first and test your mixed setup environment. This will gain you more confidence and sure possibility to implement it on production. Else I see no compatibility issues even if you directly implement the mixed WFE
environment on SharePoint 2013 production.
Please remember to upvote if it helps you or
click 'Mark as Answer' if the reply answers your query.

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