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Michael Pietrzak

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I have both HyperV Server and Server 2016 with HyperV Role in my environment and despite some initial issues with the gui-less server model, it works fine and once connection can be made into it (after battling the networking department), using the HyperV MMC is not too difficult.

But it seems like all training, online help, software etc, all focuses on the HyperV role in the full blown licensed OS model.

I have to make a decision in the coming weeks whether to keep going gui-less or go with the full blown OS for future HyperV implementations.

Anyone have any thoughts? I really can't discern any performance benefit but then again, we are not doing anything to crazy like clustering, mirroring, shared storage etc.

Thanks!

Michael
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anthony

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Reply with quote  #2 
If you are doing it for SPEED then I would say it's not worth it. You don't really gain much by not having the GUI. Patch surface area is a factor - the gui-less server will need less patching. And then, of course, the cost. We are a pure Hyper-V shop and we run the GUI on all of our Hypervisors. Most people will say unless you are in a huge automated environment where you are doing almost everything VIA Powershell remoting - there isn't much to gain by running the non-GUI version.
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Pieter

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Reply with quote  #3 
I agree with Anthony.

If you're fine with Powershell and CLI tools, then the core version is a good choice.
If you don't want to search for the obvious (like "how to change the default gateway ?" or "enable/disable the firewall") than go for the GUI version.

We started with the core (Win2008 or 2012 ?) and changed it afterwards to full GUI. To much hassle with CLI. And not every member of our team was happy with the CLI.  But times change, and maybe we'll use core again in the future.

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Pieter Demeulemeester
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Reply with quote  #4 
I'd go for gull GUI version.


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dennis-360ict

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Reply with quote  #5 
The core version is like a a whole new os to learn, which is fine if the added value is there. . i heard a lot of complaining, espacially with the driver side of things, like install prorams who wouldn’t install without a gui, messi g with pnputil and such. But if you don’t have any major issues, and the remoting works fine i think the best comparison is to see if the free license is worth the extra time you have to spend.
In our case, with 3 racks full of hyperv we think the pro’s aren’t worth it, even with the license costs..

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cj_berlin

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Reply with quote  #6 
Quote:
Originally Posted by dennis-360ict
... to see if the free license is worth the extra time you have to spend.


Well, the "free" license is only free if none of your VMs runs Windows Server. As soon as you have one Windows Server VM on that box, you can use the full version.

With Server 2008R2, the free Hyper-V Server made sense if you only had 3-6 VMs per host and the host had no more than 32GB RAM. In this case, you would probably buy 2x or 3x Standard per box to license the VMs which would still be cheaper than Enterprise. Since you couldn't do Failover Clustering with Standard, you would then go for the Hyper-V Server which did allow clustering.

But since Server 2012 there's no benefit in Hyper-V Server if you need to run Windows Server VMs.

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dennis-360ict

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Reply with quote  #7 
True, i forgot to mention that point so thanks for the added comment. We run mainly windows server, so that adds to the decision. The other benefits of running core or the free hyperv server don’t add enough for us.
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Michael Pietrzak

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Reply with quote  #8 
Thanks for the great feedback everyone!!

Quote:
Originally Posted by Pieter
I agree with Anthony.

If you're fine with Powershell and CLI tools, then the core version is a good choice.
If you don't want to search for the obvious (like "how to change the default gateway ?" or "enable/disable the firewall") than go for the GUI version.


Exactly...my last install of HyperV Server core got a little ugly and I was spending more time researching and fixing stuff with powershell that probably could have been completed in two minutes with the gui.

Quote:
Originally Posted by cj_berlin


Well, the "free" license is only free if none of your VMs runs Windows Server. As soon as you have one Windows Server VM on that box, you can use the full version.

But since Server 2012 there's no benefit in Hyper-V Server if you need to run Windows Server VMs.


I don't follow...I can use the full version but I would need to buy a license for the number of cores I have? The HyperV Server is free with no licensing costs (except for guests of course)
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cj_berlin

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Reply with quote  #9 
You can’t license a VM for Windows Server. And if you attach a license to the host, you can install the full version on it.
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