Upgrade 2102 R2 to 2016 Technical Preview

This morning I attempted to upgrade a 2012 R2 machine to 2016 TP and was surprised it isn’t supported. Here’s an inplace upgrade attempt after booting the machine off the 2016 iso:

Notice how it lets me choose the upgrade option

upgrade1

But then throws the following:

upgrade2

I tried to run the upgrade from within the 2012 OS and got the following:

upgrade3

The first 2 options are greyed out meaning an upgrade is not possible. I looked up some TechNet documentation and sure enough:

upgrade4

They’ll probably have a proper path to go from 2012 R2 to 2016 GA, but for now you cannot upgrade. Fresh install FTW.

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