When trying to activate Windows 8 or an earlier version you get the result:
Activation Error: Code 0x8007232b
DNS Name does not exist
If a volume-licensed media was used for the install, a product key needs to be set.
Open a command-prompt with administrator rights, and fire the following command:
slmgr -ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx
Replace the x’es with your product key.
Now you should be able to activate, I was.
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