DCPromo shows "Windows Server Technical Preview" as the domain and forest functional levels

We've been doing some testing on the recently released Windows Server 2016

And came accross a worrying problem that DCPromo shows "Windows Server Technical Preview" as the domain and forest functional levels when you promote a Windows Server 2016 machine to be a domain controller

After a quick look on the Microsoft knowledge base it appears that this is a user interface problem in that no-one checked the strings before the final release of the production version of Windows Server 2016.

Not ideal really but not a problem, more information can be found here
https://support.microsoft.com/en-gb/kb/3202325

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