How to license Windows 7 when spun up from VMware templates as needed

We have a large VMware, Horizon VM pool with thin clients servicing our end users.   It is a mix of chromebooks, real laptops and thin clients all hitting a dedicated VM per user.  

We have a renewal notice from Microsoft on Client Access licenses and some documentation saying this is a cheaper way to validate VM version of Windows that spin out as cloned VM templates in lieu of buying full seats of Windows 7 Pro.   The CA we were quoted were $99 per device.

Are we possibly already covered under some other form of Microsoft license or is this the cheapest and most direct way to cover this thinking about an Audit and Ethics ?
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Lee W, MVPTechnology and Business Process AdvisorCommented:
I'm not sure what kind of licensing you have, however, it sounds like you're using Virtual Desktop Infrastructure (VDI).  If that's the case, the only Windows licenses permitted to be used with VDI is Windows Enterprise licenses with Software Assurance OR a Virtual Desktop Access (VDA) license that includes Windows Enterprise.  While it's possibly you've got the correct license and downgraded, it would seem unlikely and a bit silly... Enterprise gives you everything pro does and more.
bhamguy3131Author Commented:
Good answer.   Sticking with VDA licenses and honoring up on our count .
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today

From novice to tech pro — start learning today.