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Windows Server 2012 Thread, Windows Server 2012 Standard/Datacenter Additional License Install (4 cpu) Activate in Technical; I have a 4 x 10 core (80 threads) machine. I've installed windows server datacenter 2012 and now i'm only ...
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    Windows Server 2012 Standard/Datacenter Additional License Install (4 cpu) Activate

    I have a 4 x 10 core (80 threads) machine. I've installed windows server datacenter 2012 and now i'm only able to use 2 cpu. Windows server datacenter 2012 only allows 2 cpu per license key. I do have 2 license key but i got no idea where to input the 2nd key. I'm only using 1 license right now. When i use cinebench, the cpu usage stays at 50% in the task manager.

    I've been searching everywhere for an answer. Can anyone help me?

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    john's Avatar
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    How do you know it is only using the 2 CPUs out of interest? From what I can find its just a paperwork exercise the CPU locking nothing more than that.

    The Task Manager in 2012 has changed and doesn't show each CPU anymore like it did in previous OS's

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    Its using only 50% cpu for sure.. It shouldn't use 100% anyway as I did not input the 2nd product key yet, which is my question exactly! where do I insert the 2nd key in?

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    Have a look in task manager and see how menu CPU cores are showing. I think the fact it's only using 50% of the available resource is a coincidence not a licensing issue. @john is right, it's a paperwork issue. You don't to put a second license key in anywhere. It would have worked even if you'd bought only 1 license - it's just that Microsoft would have been very, very unhappy with you

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    server.JPG

    Should show something like that

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    task man detects all 4 processors with 80 logical processor.. I've tried cpu-z and only 2 processors are being used.. its varies from time to time what processors are being used..

    1 more thing:
    I also installed windows server 2008 r2 which allows 4 processors simultaneously but with a max of 64 logical processors and my cinebench score is 30 whereas on the server 2012 i score 18 only.

    Its not just paperwork. They do lock the processors.

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    Is it Intel CPUs with hyperthreading?

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    Yes.. They are Xeons processors.. E7-8870.. four of them. 40 cores (80 logical cores) total..
    Last edited by dbmix; 19th July 2013 at 04:32 PM.

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    No CPU lock out -

    Licenses and Physical Hardware

    Client Access Licenses (CALs) remain required for access to Windows Server 2012. Therefore, CAL requirements have not changed. As in the past, CALs must be equivalent or higher in version as compared to the Windows Server version being accessed. Therefore, Windows Server 2012 requires Windows Server 2012 CALS. Licensing requirements for Remote Desktop Services (RDS) and Active Directory Rights Management Service (ADRMS) remain the same and still require appropriate CALs for access.

    What is different is what the Windows Server license provides. A single license for either available edition provides use of up to two physical processors. If you have additional physical processors in the same server, simply assign additional licenses for Windows Server 2012 for the edition purchased as needed for the additional set of physical processors. When I say ‘assign’ another license, I might as well say allocate because this is for licensing compliance. Currently you can only register one license key per server. Just make certain you have enough licenses purchased to cover the number of physical processors and for any virtualization needs (discussed in the next section). Remember, each license provides for up to two additional physical processors. The number of cores available per processor is irrelevant. If you have an odd number of physical processors, you can’t purchase server licenses for individual physical processors; they cover up to two. For purposes of example, if you assign four Windows Server 2012 Standard edition licenses to the same server, that server is licensed for use of eight physical processors and as many cores per physical processor as the OS will support.
    Windows Server and Processor Cores
    Last edited by CHR1S; 19th July 2013 at 04:36 PM.

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    tmcd35's Avatar
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    Quote Originally Posted by dbmix View Post
    Yes.. They are Xeons processors.. E7-8870.. four of them. 40 cores (80 logical cores) total..

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    DMcCoy's Avatar
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    Quote Originally Posted by dbmix View Post
    Yes.. They are Xeons processors.. E7-8870.. four of them. 40 cores (80 logical cores) total..
    Then I should think It's 2012 being more careful with the CPU scheduling under load to only the physical cores. I suggest you try another application to see if the task is scheduled on all the virtual cores too.

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    here is a screen shot. Cinebench.jpg

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    Isnt it licenced per core now? Or is that SQL? Or is it just too late on a Friday afternoon??

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    Why wont my quote or edit buttons work?

    It is per CPU and SQL is per core.

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    Well it's pretty obvious from the screenshot

    Cinebench does not recognise your cpu correctly

    It says 16 cores, 32 threads. It's probably not starting enough threads to utilise all the cores.



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