====== In Place Domain Upgrade ======

**I've used this method to go from 2012 to 2012r2, and from 2012r2 to 2016. It is relatively quick and painless.**

elevated command prompt from DC:

<code>D:\support\adprep\adprep /forestprep</code>

<code>D:\support\adprep\adprep /domainprep</code>

wait for it to replicate throughout forest and domain\\

launch your boot key, windows install, with updates\\

upgrade installation\\

re-check bonded NICs and LACP. remove and re-add virtual switch.\\

install updates (RDP)\\