Windows CAL's question

I have 1 HP - PROLIANT MICRO SERVER with windows 2012 R2, we use to share files with 19 users do we need 19 windows CALS?
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arnoldConnect With a Mentor Commented:
To clarify what others already posted, you can license based on users or per device
you seem to only have one server in the environment.
The distinction often deals with which is more cost effective, i.e. if you have one server and two workstation with 15 users, at any one time, only two users can access the server.
buying 2 device CAls licenses would make sense

There are times, that number of server, number of devices, it could become more advantageos to bu the 15 user CALS granting them rights to all servers in the environment as compared to to other scenarios.

this discussion may help to add perspective,
Brian BConnect With a Mentor EE Topic Advisor, Independant Technology ProfessionalCommented:
You need licenses for either each user or each device that will access that machine. Even if it isn't at the same time.
heatfan07Connect With a Mentor Commented:
It will most likely not be cost effective, but you may also purchase a Windows Server Datacenter CAL which will prevent you from having to purchase the User CALs.  This is a recent change that I have verified with a reputable software vendor/reseller.

If you plan on doing some virtualization from this server, then Datacenter would be a good choice for you.  If you want to just run the server Standalone, then buying Windows Standard licenses and simply buying the CALs would be more cost effective.
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