The /dev/vmbus/hv_fcopy device won't be created unless the 'Guest Service Interface' integration service is enabled in the VM. It isn't enabled by default. This can be checked with the following PowerShell command on the Hyper-V server:
Get-VMIntegrationService 'Guest Service Interface' -VMName FOO
where 'FOO' is the name of the virtual machine. Look for the 'Enabled' column in the output. If it says 'False', it can be enabled using the following PowerShell command:
Enable-VMIntegrationService 'Guest Service Interface' -VMName FOO
The /dev/vmbus/hv_fcopy device won't be created unless the 'Guest Service Interface' integration service is enabled in the VM. It isn't enabled by default. This can be checked with the following PowerShell command on the Hyper-V server:
Get-VMIntegra tionService 'Guest Service Interface' -VMName FOO
where 'FOO' is the name of the virtual machine. Look for the 'Enabled' column in the output. If it says 'False', it can be enabled using the following PowerShell command:
Enable- VMIntegrationSe rvice 'Guest Service Interface' -VMName FOO