Failover Cluster Shared Volume Failing IO Error – Help!

So, needed to reboot a cluster yesterday and drained roles from one server, rebooted, moved roles over and rebooted other. However, now one of the CSV is showing as failed. It is not ReadOnly, I have tried in the Server Manager to attach the disk and get an
Access Denied error, tried via powershell as admin and get the same error. any advise? Tried to change the IsManualAttached as well get access denied for that too.

  • Usage : Other
  • NameFormat :
  • OperationalStatus : Detached
  • HealthStatus : Unknown
  • ProvisioningType : Fixed
  • ParityLayout : Unknown
  • Access : Read/Write
  • UniqueIdFormat : Vendor Specific
  • DetachedReason : By Policy
  • WriteCacheSize : 0
  • ObjectId : {1}SERV-HC-01root/Microsoft/Windows/Storage/Providers_v2SPACES_VirtualDisk.Objec tId="{533570b8-ec7e-4e22-XXXb-e6519f296089}:VD:{352a1d48-XXX2-11ea-80be-2477710262
  • PassThroughClass :
  • PassThroughIds :
  • PassThroughNamespace :
  • PassThroughServer :
  • UniqueId : 111E2A35A23EEA11XXX6E9610262D
  • AllocatedSize : 23991687315456
  • FootprintOnPool : 47983374630912
  • FriendlyName : SERV-HDD-VDISK01
  • Interleave : 262144
  • IsDeduplicationEnabled : False
  • IsEnclosureAware : False
  • IsManualAttach : True
  • IsSnapshot : False
  • LogicalSectorSize : 512
  • Name :
  • NumberOfAvailableCopies :
  • NumberOfColumns : 6
  • NumberOfDataCopies : 2
  • OtherOperationalStatusDescription :
  • OtherUsageDescription :
  • PhysicalDiskRedundancy : 1
  • PhysicalSectorSize : 4096
  • RequestNoSinglePointOfFailure : False
  • ResiliencySettingName : Mirror
  • Size : 23991687315456
  • UniqueIdFormatDescription :
  • PSComputerName :
  • CimClass : ROOT/Microsoft/Windows/Storage:MSFT_VirtualDisk CimInstanceProperties : {ObjectId, PassThroughClass, PassThroughIds, PassThroughNamespace…} CimSystemProperties : Microsoft.Management.Infrastructure.CimSystemProperties

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Loss internet connection after restart

I did lose my internet connection in VM (centOS 7) after I restart my PC (windows 10). 

I have created this network through virtual switch- type internal - connection type internal and it was working fine. But after I restarted my PC it doesn’t work.

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Reinitialize Virtual Hard Disk

I have a virtual hard disk (VHD) stored on an external USB drive. The external drive does not have a letter assigned; this is to protect its contents from viral attack. In Hyper-V Manager, I added the VHD to a VM by using the DeviceID of the external drive.
The virtual hard disk successfully appears in disk management of the VM. However, at some point the VHD becomes detached (perhaps due to a backup running on the Hyper-V host) and does not reattach unless I re-add it in the Hyper-V GUI or restart the VM.

Is there a Powershell method to reinitialize the detached VHD? I have tried using "Add-VMHardDiskDrive" but it will not accept the DeviceID in the Path argument. A Powershell command which reattaches the VHD seems better than restarting the VM
every time the backups run.

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HyperV Cluster Creation with live HyperV host

Its been a while since I created a HyperV cluster but need to set one up using 2 host nodes and storage spaces direct to use the local storage of each node.  The problem I face is 1 of the host nodes already has HyperV installed and about 5 live VMs
running.  Is there a way to configure the 2 node cluster without having to move the VMs onto a third temp HyperV server?

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Hyper -V Replication RODC Virtual Machine


we plan to install RODC as a VM in the branch office and replicate it using hyper v replica in another server , it is a problem or not, if we turn on vm replica rodc, if the main  VM RODC/ host server is down ?


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create Hyper V on surface pro 7

On surface pro 7 I need HyperV to run a win10 32 bits on the basic win 10 64 bits pro

I uploaded an official win 10 32 bits

I created an Hyper V using this .iso

I started the machine as requested.

It stops on:

"start PXE over IPV4

VM boot summary

1. SCSI DVD did not load an OS

2. SCSI disk idem

*3. Network adapter (00155D00AA03)

No operating system was loaded.

Your VM may be configured incorrectly"

The VM does not see the .iso or the .iso has not the right format.

Would you know what should be changed?

Thanks a lot

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Cannot activate Windows Server 2012 R2 Standard in Hyper-V VM

hi guys,
my host server are Windows server 2012 R2 Standard, i have install a Windows server 2012 standard in the hyper-v manager, but it cannot be activate by AVMA,
how can i activate it or should i need to buy another windows server 2012 standard license for it??

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latency when live migration


I’ve been experiencing latency issues when  Live Migrate a VM from one node to another, I get 2-3 timeouts when  migration process from my VM. this is normal? My NICs 1Gb are direct connect  at 2 node server for only live migration network
with different subnet with another connection (192.168.xx.xx)

Is there any way to improve this?

Thanks for any answers.

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Trunk VM network


I have a server and it have windows server 2016 

I want to create a VM network for my kerio server and i use from it command in powershell

for trunking vm Network 

Set-VMNetworkAdapterVlan -VMName Redmond -Trunk -AllowedVlanIdList 1-100 -NativeVlanId 10

unfortunately my server kerio don’t work rot vlan.

can you help me?

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Upgrading Hyper-V 2008 R2 Core to 2012 R2

I’m trying to upgrade a Hyper-V 2008 R2 core to 2012 R2 Core since I know there’s not a direct path to 2016. I’ve downloaded an .ISO file from MS that I believe is the Core version of 2012 R2. During the setup process, I elect to upgrade instead of the custom
solution which I believe will install a fresh copy of the product. I then get a message that informs me that I can’t upgrade the version I’m running which again is the Core version. 

My question is if I decide to install a fresh instance of 2012 R2 core (or 2016 at that matter), can I (manually) restore my VMs in the newer version? Other than backing up the VHDs and XML files, is there anything else I need to successfully restore them?
Would using the import process work in this case once the new version is up and running? Or worse case, could I make note of the key VMs settings and rebuild the VM with the same settings and point to the existing VHD from 2008 R2?

The environment that I’m working with is not a production environment but there are some VMs that I don’t want to rebuild from scratch. All of my VMs are located on the D drive which is different from the installation drive. 

Thanks in advance for your help.


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