<div>
Any backup jobs running?<br />
Snapshots?<br />
Are all host the same make, model and config?
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Any backup jobs running?
Snapshots?
Are all host the same make, model and config?

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What monitoring app is flagging 97% RAM usage?
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What monitoring app is flagging 97% RAM usage?

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What is the hotfix number please?
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None of the other answers were right
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What was the hotfix number please? I would like to research the problem (I'm a Cluster MVP that builds Hyper-V clusters).
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What was the hotfix number please? I would like to research the problem (I'm a Cluster MVP that builds Hyper-V clusters).

<div>
Here it is. I think it's been released into the wild now so if your new Hyper-V installation is fully patched you shouldn't see any of the issues we did:<br />
<br />
<a href="http://support.microsoft.com/kb/2975719" rel="ugc">http://support.microsoft.com/kb/2975719</a>
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Here it is. I think it's been released into the wild now so if your new Hyper-V installation is fully patched you shouldn't see any of the issues we did:

http://support.microsoft.com/kb/2975719 [http://support.microsoft.com/kb/2975719]

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<div class="content wysiwyg-content">
I have a hyper-v cluster with 3 2012 nodes. One of the nodes is reporting to be using 97% of RAM.<br />
<br />
- There is 250gb of RAM on the server. <br />
- The VMs on this host only amount to 100gb of RAM<br />
- The server itself only appears to be using 6gb.<br />
<br />
For whatever reason, I am finding it close to impossible to account for all RAM usage. Resource monitor doesnt help here either<br />
<br />
Ideas?
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</div>


I have a hyper-v cluster with 3 2012 nodes. One of the nodes is reporting to be using 97% of RAM.

- There is 250gb of RAM on the server. 
- The VMs on this host only amount to 100gb of RAM
- The server itself only appears to be using 6gb.

For whatever reason, I am finding it close to impossible to account for all RAM usage. Resource monitor doesnt help here either

Ideas?

2012 HYPER-V RAM Usage

Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.

Windows Server 2012

Virtualization is the act of creating a virtual (rather than actual) version of something, including (but not limited to) a virtual computer hardware platform, operating system (OS), storage device, or computer network resources. Virtualization is usually the creation of a system that executes separate from the underlying hardware resources, or the creation of an entire desktop for systems located elsewhere, similar to thin clients.