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bwierzbickiFlag for United States of America

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How many CALS required for company

We are installing a 2012 Standard Server. Here is an example of what we have. It's not really our environment, but to keep it simple I provided for the different scenarios.
We have 20 users.
We have 21 computers, including the laptop mentioned below.
1 user has a laptop along with a desktop
1 user uses 2 computers at the same time. The second computer is one that no one else uses.
All users but two have their own computers, They share one computer.
There is also a device that scans and sends the scans to the server. It does so via SMB and has it's own username

Of course licensing would be easy to figure out if there were 20 users and 20 computers.

Just a couple of things that have me confused
1. with the user that is using 2 computers simultaneously, does his single USER CAL cover him?
2. On the scanner, can I have it use the credentials of a user that is covered by a USER CAL and not need a device or user cal for the scanner?

Also, what happens if the licensing isn't correct?
Is there way to see what the server sees as a violation?
 Will things continue to work until you can add more licenses?
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jmcg
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Lee W, MVP
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Lord_Garfield

Use the folowing rule:

If you have more devices then users. Use USER CAL's. Each user call gives a user the right to use any device.
On the other hand. If you have less devices then users. Use device CAL's. Each device can be used by any number of users in this case.

You can't combine user and device cal's. You choose wich way you go. Most of the time it is USER CAL's.

In your case: 25 user call's is advicable. You have to buy packs with 5 cal's so 25.
I also strongly recommend User CAL's in this scenario. Before you know it. They all bring in extra devices that need access like smartphones etc...

kind regards
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I appreciate everyone's answers and was about to close this question and distribute the points evenly but I would like to ask for a little clarification on a couple of points in my question.


 1. with the user that is using 2 computers simultaneously, does his single USER CAL cover him?
 2. On the scanner, can I have it use the credentials of a user that is covered by a USER CAL and not need a device or user cal for the scanner? With further research I'm seeing that it is possible to have a mix of device and user cals on the 2012 server, at least that's what some say.
3. Please make your recommendation of the amount needed with my example.

The numbers I've used are for simplicity sake so I'd like to ask that any license number recommendations reflect the exact amount I would need, and I'll take into account the fact that I have to buy them in 5 packs and adjust accordingly. In other word's with the answer I get to 1 and 2, and a recommended exact amount I will be able to apply to the real numbers on site and make my decision. From the research I've done and the differing answers I see I realize I may not know exactly, but I will make my best effort and be conservative as far as leaning toward purchasing too many instead of not enough.
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thanks for all your replies