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Can't create a new Virtual Machine in Hyper-V Manager

Posted on 2012-09-15
Medium Priority
Last Modified: 2012-09-20
VM Folder ContentsFailed to create vhdx

  I am setting up Virtual Machines in Windows Server 2012. I tried to create my first VM "TS2", but failed at the end of installtion due to wrong BIOS setting (Intel ® VT for Directed I/O  was DISALBED). After Enabling Intel ® VT for Directed I/O, I deleted the VM name "TS2" in Hyper-V Manager.
  Then I tried to create a VM with the same name, but it failed to even start installing the VM with the message above.
I am using E:\VMs as Default Location for both virtual hard disk files and virtual machine configuration files and E:\VMs folder shows, as seen above, TS2 is still there as Hard Disk Image File.

Should I try to choose the option "Use an existing virtual hard disk" in the New Virtual Machine Wizard/Connect Virtual Hard Disk" and choose E:\VMs\TS2.vhdx?
If not, how do I start from the scratch?
Question by:sglee
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LVL 18

Accepted Solution

Sarang Tinguria earned 750 total points
ID: 38402311
The error does not give any name conflict symptoms still I would suggest to reinstall the Hyper V role and delete the folder E:\VM and recreate

Check after that

Author Comment

ID: 38402313
I was thinking about that too. It is new server install and I did not want to deal with perhaps damaged VM and trying to make it work...
I will remove Hyper-V role, delete E:\VM folder and re-install Hyper-V.

Author Comment

ID: 38402555
@ sarang_tinguria

I un-installed Hyper-V role, deleted E:\VM folder, re-installed Hyper-V and re-created VMs all over again. There were no errors this time thanks to enabling "Intel ® VT for Directed I/O" in BIOS. All was simple because those VMs that I erased were for test purposes, but if this was on a production server, then I would not have been able to simply remove/reinstall Hyper-V role.
That said, if you don't want a certain VM (due to curruption ... etc), is there a clean way to remove the VM completely, not only from Hyper-V Manager, but also from the VM default folders (virtual hard disk file and virtual machine configuration files)?
LVL 18

Expert Comment

by:Sarang Tinguria
ID: 38405391
In VMWare you can do this in maintenance mode am not sure about Hyper V

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