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Please post the results of the following PowerShell from BOTH nodes:<br />
<br />
Get-VMHost | fl VirtualHardDiskPath,Virtua<wbr />lMachinePa<wbr />th
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Please post the results of the following PowerShell from BOTH nodes:

Get-VMHost | fl VirtualHardDiskPath,VirtualMachinePath

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An error occurred while trying to retrieve a list of Virtual Switches, in &nbsp;windows 2012 hyper-v,<br />
<br />
This was a working node of a two node Hyper-V cluster, After SAN drive failure, lost the virtual switch settings on this node. The other node is up and running , all VM's have been failed over.<br />
All updates applied<br />
Hyper-v setting in the network adapter of the failing node is enabled.<br />
Restarted the server .
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An error occurred while trying to retrieve a list of Virtual Switches, in  windows 2012 hyper-v,

This was a working node of a two node Hyper-V cluster, After SAN drive failure, lost the virtual switch settings on this node. The other node is up and running , all VM's have been failed over.
All updates applied
Hyper-v setting in the network adapter of the failing node is enabled.
Restarted the server .

An error occurred while trying to retrieve a list of Virtual Switches, in  windows 2012 hyper-v,

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.

Virtualization

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

Hyper-V is a native hypervisor; it can create virtual machines on x86-64 systems and supersedes Windows Virtual PC as the hardware virtualization component of the client editions of Windows NT. A server computer running Hyper-V can be configured to expose individual virtual machines to one or more networks. Hyper-V Server supports remote access via Remote Desktop Connection. Administration and configuration of the host OS and the guest virtual machines is generally done over the network.