Unlicencing Windows 7 x86 via VAMT?

Hi

We have VAMT 3.1 installed on our 2008 R2 server and its used for our licencing of clients.  We have a mixture of OEM (win7) & MAK (win7 & off2k10) keys in use.  
We are planning on upgrading the clients with an install of a newly built win7 x64 image.  

Im assuming as the clients that we're upgrading from Win7 x86 to x64 are still using the same MAK key?  If this is the case do we need to unlicence it (if we can?) or will it re-use the same licence automatically (providing the computer name is the same)?  Assume we can unlicence?

Thanks
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CHI-LTDAsked:
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Cliff GaliherCommented:
In place upgrades from x86 to x64 are not supported, so you'll have yo fo a clean install. And that means installing a new key. Which if you use your MAK key, will reduce your count by one, even if the machine had a MAK key before.
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Adam LeinssServer SpecialistCommented:
Microsoft doesn't support deactivation...if you run out of activations for a MAK, they just increase the number of activation for that key.  You'll have to phone them if that happens.

See https://technet.microsoft.com/en-us/library/ee939271.aspx

Also, there are different classes of MAK: A, B and C and each comes with a different number of activations (see link above).
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CHI-LTDAuthor Commented:
Ah i see!  I've checked the VLSK portal and see many more licences in there now, so guess its automatically upgraded the count in time..
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