Upgrading Cluster To Windows Server 2012 R2

My previous thread was closed so here is a new one.
I have a 4 Hyper-V host failover cluster (R720s) running Windows Server 2012 Datacenter, which is connected to a SAN where the CSVs are stored. I have a 5th R720 server on which I have installed Windows Server 2012 R2 Datacenter from scratch. I have installed
the Hyper-V and Failover Cluster roles on it as well. It is can see the SAN.
Questions:
1. To setup the Hyper-V virtual switch on the 5th server, should I join it to the existing Server 2012 Hyper-V failover cluster and create the virtual switch then? Or should I create the virtual switch on the 5th server, with the same settings as the virtual
switch in the Hyper-V failover cluster, before adding it to the failover cluster?
2. Can I add the 5th server to the existing Hyper-V cluster, migrate virtual machines from Hyper-V host #1 to the 5th server, install Virtual Guest Services on the virtual machines which have been migrated to the 5th server, drain roles from Hyper-V host
#1 and perform an in-place upgrade on Hyper-V host #1, once the in-place upgrade is complete, fail the roles back to Hyper-V host #1.
Please advise.
Thanks,

Just and FYI, it is now called a witness disk. Yes, it does provide a quorum function from time to time, but with the new dynamic quorum model it is not always used as a quorum.
There are multiple ways to move the VMs from 2012 to 2012 R2. Here are three. A little searching of TechNet and you will most likely find some others.
One of the new capabilities is to live migrate the VM from 2012 to 2012 R2. This involves storage migration across the network, so if you have lots of VMs and not a lot of bandwidth, this can be painful. But it is the only way to ensure no downtime
of a VM, so it could be used selectively.
If you can take some downtime on the VMs, you can use something like VeeamZip -
http://www.veeam.com/virtual-machine-backup-solution-free.html
Another method that requires some downtime is to use a step-by-step guide that Microsoft published for moving from 2008 R2 cluster to a 2012 cluster. Even though you are going 2012 to 2012 R2, it works exactly the same.
http://blogs.msdn.com/b/clustering/archive/2012/06/25/10323434.aspx
. : | : . : | : . tim

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the thread.

Hi,
I am trying to involve someone familiar with this topic to further look at this issue. There might be some time delay. Appreciate your patience.
Thanks for your understanding and support.
We
are trying to better understand customer views on social support experience, so your participation in this
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need to upgrade as below:
operation system windows server 2012 R2 Datacenter
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Hi,
To understand more clearly regarding upgrading issue here providing you link for more information.
Upgrade Options for Windows Server 2012 R2
http://technet.microsoft.com/en-us/library/dn303416.aspx
Install and Deploy Windows Server 2012 R2 and Windows Server 2012
http://technet.microsoft.com/en-us/library/hh831620.aspx
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<System>
<Provider Name="Microsoft-Windows-FailoverClustering" Guid="{BAF908EA-3421-4CA9-9B84-6689B8C6F85F}" />
<EventID>1069</EventID>
<Version>1</Version>
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<Keywords>0x8000000000000000</Keywords>
<TimeCreated SystemTime="2014-03-04T17:54:55.498842300Z" />
<EventRecordID>14140</EventRecordID>
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<Channel>System</Channel>
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<Computer>ServerDB02.domain.com</Computer>
<Security UserID="S-1-5-18" />
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<EventData>
<Data Name="NodeName">ServerDB02</Data>
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Eduardo Rojas

Hi,
Please refer to the following link:
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Hi,
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reason I missed that and clicked on the server core only install!

Is Exchange 2010 supported on Windows Server 2012 R2?

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64-bit edition of Windows Server 2008 Enterprise Service Pack 2
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64-bit edition of Windows Server 2008 Enterprise R2
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The server 'Node1.mydomain.com' could not be added to the cluster.
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Thank you fellows!
The issue just resolved when I moved the Node1 and Node2 on the same host, and the cluster was successfully created.
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Windows server 2012: migration from 2012 standard evaluation version to 2012R2

Hello.
Is it possible то migrate
FROM: windows server 2012 standard evaluation
TO: windows server 2012R2 standard
And if it is possible then "how to"?
Activation product key for 2012 is NOT available.
Activation product key (MAK, "open licence") for 2012R2 is available.
The key for 2012R2 does not "open" 2012 evaluation version.
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Upgrade means moving from your existing operating system release to a more recent release, while staying on the same hardware. For example, if your server is running Windows Server 2012, you can upgrade it to Windows Server 2012 R2. You
can upgrade from an evaluation version of the operating system to a retail version, from an older retail version to a newer version, or, in some cases, from a volume-licensed edition of the operating system to an ordinary retail edition.
ref : http://technet.microsoft.com/en-us/library/dn303416.aspx
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reading the thread.

Windows Server 2012 Standard to R2 Standard

I just screwed up and bought a copy of 2012 Standard with 5 cals. Does anyone know how I can convert the license to R2 without having to buy another copy?
Thankss

Hi,
Here agree with the words of Bill, you cannot able to convert the license to server 2012 R2 without buying new copy of R2. You need to buy new copy of Server 2012 R2. As Bill already mentioned, if you want to downgrade then it’s possible with downgrade rights.
Here providing link for better understanding.
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2. Upgrade Options for Windows Server 2012 R2
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