Windows Server 2012 AD DC TO 2012 R2 – (How to perform) an "in-place" domain upgrade. Let’s raise the bar. Someday I decided that my “Windows Server 2012 Standard”-Domain had to be raised to a “Windows Server 2012 R2”-Domain. That is because of a badly-designed GPO (designed by me, who else?), that wreaked havoc to "Windows Update" for my whole domain (I also grew too lazy to find out… Read More