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 Simple licensing question

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ferrethouse
Constraint Violating Yak Guru

352 Posts

Posted - 2012-03-09 : 11:55:03
I find SQL Server licensing confusing. If I have two instances of SQL Server on a server do I pay separate licensing for each or is it simply per processor regardless of instance count?

influent
Constraint Violating Yak Guru

367 Posts

Posted - 2012-03-09 : 17:55:24
Almost everybody finds it confusing, including myself. My IT guy says it's per processor, not per core or per instance, but I question that. Hopefully somebody responds with the answer one day...
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russell
Pyro-ma-ni-yak

5072 Posts

Posted - 2012-03-11 : 13:33:56
It's not that confusing. For per processor licenses, it is per processor, per operating system environment.

This means two instances on one host = one license.

For VMs, each VM is the host/OS Environment (this wasn't true in the early days of virtualization and was a huge loophole in the license agreement).

For Client Access Licensing (CALs) you purchase one server license (per OS Environment) and one CAL per user or device that will access the server.

Have a look at the PDF here
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influent
Constraint Violating Yak Guru

367 Posts

Posted - 2012-03-13 : 19:51:11
Russell, it sounds like you're saying each VM needs a separate license, but the PDF you linked to says this:
If you license all of the physical processors on the server (one license per physical processor), you may run unlimited
instances of the SQL Server software in the following number of OSEs (either physical or virtual):
SQL Server 2008 R2 Datacenter: Unlimited
SQL Server 2008 R2 Enterprise: Up to 4 per license
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