I have the exact same issue described in this thread where I am unable to activate Acrobat Pro 2017 on a second machine. The second machine was wiped clean and factory refreshed but I thought I had both logged out of my adobe.com account as well as deactivated the license link via the Acrobat Pro 2017 Help menu. I did not receive any errors so assumed both Deactivation and Adobe account logout were successful. Then proceeded to factory refresh the machine. Now I'm getting the following error: