Windows licence alert when running a copying a our VPC

We have Windows 8 Pro and various Virtual Computers (Hyper-V).  We have one VPC running Windows 7 Pro with no problem.  We needed to create the environment of that VPC to run other testing and not touch what it has so far.  So we was copy the ".vhdx" file to another location and started running.  It worked fine upto today when it started saying about things about enter windows license and/or window piracy.

How can we use the copy we did of a VPC without the alerts?
Why is it asking for a license when it's in the same computer?
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David Johnson, CD, MVPOwnerCommented:
that is because of the detected hardware change
rayluvsAuthor Commented:
It's the same computer.  We just copied the virtual drive (the .vhdx file about 80gb) to another folder within the same computer in order run other tests, we did not copied over to another computer or hardware.
Naga Bhanu Kiran KotaCommented:
if the VM is using a Multiple activation key then you can go ahead and activate windows if it is using a retail key then you need to enter a valid key to activate.

as every OS instance needs activation which is MS licensing requirement.


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rayluvsAuthor Commented:
Sorry for the delay; been sick.

Ok, will proceed enter the activation key to the copied vhdx.
rayluvsAuthor Commented:

(should have done that right after  copying the windows 8 vhdx file)
rayluvsAuthor Commented:
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