Solved "The activation server reported that the product key has exceeded its unlock limit." Error Tags: Windows 8 Unlock Servers Last response: July 20, 2013 10:55 AM in Windows 8 Share flyerstime July 20, 2013 10:43:27 AM How do I fix this? I only used the product key once, how could it have been already used, I was under impression that I could use it 3 times . More about : activation server reported product key exceeded unlock limit error Reply to flyerstime USAFRet a b * Windows 8 July 20, 2013 10:54:10 AM More info needed: What version? Where did you get it? What did you install it on the first time? Reply to USAFRet Best solution vinhn July 20, 2013 10:55:46 AM Get in contact with microsoft, I believe toms can't help you here. Reply to vinhn Ask the community Post an answer Read discussions in other Windows 8 categories Configuration Customization Drivers Security !