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Licensing Questions Thread, Just what exactly do i need for my servers? in Technical; I want to propose a new server setup of; 2 standalone servers, 4 physical servers running Hyper-V hosting 6 Virtual ...
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    Just what exactly do i need for my servers?

    I want to propose a new server setup of;

    2 standalone servers, 4 physical servers running Hyper-V hosting 6 Virtual Servers on 3 of these servers, the 4th being in place for failover.
    Just exactly how many licenses of Windows Server do i need to buy to license all of this? do i need a license for each VM? i want to have everything running Server 2008 R2 if i can afford it, if not just the 4 virtual hosts running it with the standalone and VM's runnning Server 2008 standard which i THINK we have license keys for from an agreement which expired in 2008.

    We also want Exchange upgrading to 2010 and the OS's its currently on upgrading from Server 2003 x64 to Server 2008 R2.

    I also want to upgrade from Backup Exec 11d to 12d so how many remote agents do i need to purchase?

    I'm just becoming confused with it all and not entirely confident that a company i have been in touch with are correct. They have tried to tell me that its cheaper for us to purchase VMWare ESXi Advanced over Hyper-V in this proposed server setup which i fail to see how that can be.

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    With virtual servers its the physical hardware that a windows OS license is tied to, not the VM. For instance in your example you couldn't just have 12 (6 VMs, 4 physical VM boxes, 2 physicals) standard windows licenses and migrate the servers around . What you could do is buy Windows Enterprise, which enables the host server and 4 VMs to run windows. If you're ever going to be running any extra servers, or there's the possibility of more than 4 VMs/server I'd go for Windows Datacenter licenses. Cost is the same as Enterprise normally, but you have to purchase per processor so for a 2 CPU (not cores, but physical CPUs) box you'd need 2 Datacenter licenses.

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    Seems a bit strange having one server doing nothing but sitting waiting for a failure.

    Why not look into Hyper-V Server 2008 (different to Server 2008 with Hyper-V) - it's free to use, and I believe you just need a licence for each VM (so if you have 6 VM's all running Server 2008 R2 you will need 6 licences).

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    this is what i got confused with and then had someone tell me differently. So if i buy Enterprise that will have me fully licensed for 1 piece of hardware running Server 2008 AND 4 VM's running Windows on that hardware, correct?

    And if i want to buy Datacentre for 1 piece of hardware, i am then licensed to run as many Windoiws VM's on that hardware. But i would need a copy of datacentre per cpu in the hardware, so would be 2 in my case?

    Ok thats makes things clearer thanks, you wouldnt happen to have some rough ball park figures for cost of Enterprise and Datacentre would you?

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    Quote Originally Posted by farquea View Post
    you wouldnt happen to have some rough ball park figures for cost of Enterprise and Datacentre would you?
    Take a look at the educational pricing over at Ramesys:

    Product Categories

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    Oh, and the Server 2008 book I'm currently reading states that you can only normally get Data Centre edition on certain bits of kit - apparently you can't buy it as a standalone product.

    Not sure how true this is though....

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    Quote Originally Posted by Hightower View Post
    Seems a bit strange having one server doing nothing but sitting waiting for a failure.

    Why not look into Hyper-V Server 2008 (different to Server 2008 with Hyper-V) - it's free to use, and I believe you just need a licence for each VM (so if you have 6 VM's all running Server 2008 R2 you will need 6 licences).
    I was just thinking of having it there ready to take over in case of a hardware failure as i already have the hardware so its either that or it just gets turned off and used for spare parts.

    The option you are talking about, having Hyper-V Server with then 6 individual licenses for each VM, would you know if this is generally considred a cheaper alternative to going with Server 2008 datacentre x number of CPU's? as i've no idea the cost of datacentre or a standard single license.

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    Windows Server Enterprise would allow up to 4 VM's per server license but as you're only installing 2 VM's per server it's probably cheaper just to buy 2 Windws Server standard licenses per server so:

    2 standalone servers - 2 x Windows Server Standard
    4 physical servers running Hyper-V hosting 6 Virtual Servers on 3 - 6 x Windows Server standard (or 3 x Windows Server Enterprise)

    Exchange Server:
    1x Exchange Std License (Or Enterprise if prefered)
    1x Windows Server Std

    Plus CAL's for all machines .

    With Backup exec you'll need 8 or 9 Windows agents depending on which server the Backup Exec server is sitting on and an Exchange agent if you want to backup exchange.

    If you have 3 or 4 VM's per machine you can get a Hyper-V agent to cover all the VM's but as uoi only have 2 VM's it's cheaper to buy individual agents.

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    Quote Originally Posted by farquea View Post
    I was just thinking of having it there ready to take over in case of a hardware failure as i already have the hardware so its either that or it just gets turned off and used for spare parts.

    The option you are talking about, having Hyper-V Server with then 6 individual licenses for each VM, would you know if this is generally considred a cheaper alternative to going with Server 2008 datacentre x number of CPU's? as i've no idea the cost of datacentre or a standard single license.
    Agree with SteveJ's post. We're looking at having three Server 2008 vm's and have therefore just bought 3 x Server 2008 R2 Std licences @ 5x each. As for having a spare, it makes sense having fail over but I wouldn't necessarily have it doing nothing until it's needed. Can it not take the load of one of your vm's, and set up fail over between them so that if physical server 1 fails it moves over (live migration) to physical server 2? If physical server 2 fails the vm's live migrate over to physical server 1 and so on.

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    Quote Originally Posted by farquea View Post
    I also want to upgrade from Backup Exec 11d to 12d so how many remote agents do i need to purchase?
    You need to upgrade Backup Exec to 2010R2 to fully support Windows 2008R2 Server.

    You need 1 x Media Server License (The Backup Server) and the appropriate Agent for each server type.
    Exchange and SQL Agents include the Remote Agent so it's either a standard server remote agent or an exchange agent depending on the role of the server not both...

    If you want to backup Virtual Servers running on a Hyper-V host then you can by the agent for Hyper-V which permits the backup of unlimited guest machines but this does not include specialist roles.

    EG Hyper-V Host contains 5 2008R2 Servers one of which is an Exchange Server, you would need 1 x Hyper-V Host agent AND and 1 x Exchange Agent...
    Last edited by m25man; 8th February 2011 at 10:39 AM.

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    farquea (8th February 2011)

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    Quote Originally Posted by Hightower View Post
    We're looking at having three Server 2008 vm's and have therefore just bought 3 x Server 2008 R2 Std licences
    I think you need Enterprise or Data Center on the Host Server to enable Clustering for Live Migration? In addition you need a Microsoft Compatible Centralised Storage device configured as a Cluster Shared Volume to enable it to happen automatically...

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    Quote Originally Posted by m25man View Post
    I think you need Enterprise or Data Center on the Host Server to enable Clustering for Live Migration? In addition you need a Microsoft Compatible Centralised Storage device configured as a Cluster Shared Volume to enable it to happen automatically...
    We're planning on using Hyper-V Server 2008 (as said, different to Server 2008 R2 with Hyper-V) which is a free download and supports high availability as part of it. Yep, need some form of storage with CSV for the live migrations to happen.

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