Hyper-V: "Object was not found" but the vmms service is working

Question

I cannot connect to my local Hyper-V with Hyper-V Manager. I get error:

Hyper-V encountered an error trying to access an object on computer 'XXXXX' because the object was not`` ``found. The object might have been deleted, or you might not have permission to perform the task. Verify that the`` ``Virtual Machine Management service on the computer is running.

Running Get-VMHost or Get-VM in the PowerShell console gives the same error.

VMMS is working.

MOFCOMP %SYSTEMROOT%\System32\WindowsVirtualization.V2.mof didn't help.

Reinstalling Hyper-V (removing it from the Windows Features, then deleting folder C:\ProgramData\Microsoft\Windows\Hyper-V, then adding the Hyper-V feature back) didn't help.

Windows 11 Enterprise build 27774.

Answer 1

Just run into this again, which we regularly do.

MOFCOMP %SYSTEMROOT%\System32\WindowsVirtualization.V2.mof normally fixes it, but this time has not.

Edit: 20 minutes later this has randomly started working again

Answer 2

Hi Alvin Chipmunk,

Thanks for your post. Before moving on, to narrow down the issue, please see the related logs at first. Below are the current event log channels for Hyper-V. Using "Event Viewer" you can find them under "Applications and Services Logs", "Microsoft", "Windows".

Reference. https://techcommunity.microsoft.com/blog/virtualization/looking-at-the-hyper-v-event-log-january-2018-edition/382411

Also, please try the following methods.

1. Ensure that the account you are using to connect to the Hyper-V server has the necessary permissions. Verify that you are a member of the Hyper-V Administrators group or have the required rights to manage virtual machines.
2. If you went to HyperV VMMS log and checked the error. It Identified the problem being a VM that no longer exited. Try the following steps.
   1. Shut down VMMS service.
   2. Went to the %systemdrive%\ProgramData\Microsoft\Windows\Hyper-V\Virtual Machines directory and deleted that link file.
   3. Restarted VMMS

Best Regards,

Ian Xue

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