cannot connect to win8.1 vm

[mio-19]

PS C:\Users\user\Downloads> .\win-gpu-pv.ps1
set-executionpolicy : Windows PowerShell updated your execution policy successfully, but the setting is overridden by a policy
defined at a more specific scope.  Due to the override, your shell will retain its current effective execution policy of Bypass.
Type "Get-ExecutionPolicy -List" to view your execution policy settings. For more information please see "Get-Help
Set-ExecutionPolicy".
At C:\Users\user\Downloads\win-gpu-pv.ps1:1 char:1
+ set-executionpolicy remotesigned
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : PermissionDenied: (:) [Set-ExecutionPolicy], SecurityException
    + FullyQualifiedErrorId : ExecutionPolicyOverride,Microsoft.PowerShell.Commands.SetExecutionPolicyCommand
Stopping VM
Disabling checkpoints for VM
Enabling heartbeat service for VM
Starting VM
Connecting to VM

cmdlet New-PSSession at command pipeline position 1
Supply values for the following parameters:
Credential
New-PSSession : [Win8.1] An error has occurred which Windows PowerShell cannot handle. A remote session might have ended.
At C:\Users\user\Downloads\win-gpu-pv.ps1:26 char:11
+ $vmsess = New-PSSession -VMId $vmid
+           ~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : OpenError: (System.Manageme....RemoteRunspace:RemoteRunspace) [New-PSSession], PSRemotingDataStruct
   ureException
    + FullyQualifiedErrorId : PSSessionOpenFailed

[mio-19]

PowerShell Direct is not supported in windows 8.1. Made changes to not use powershell direct as a workaround

set-executionpolicy remotesigned

$ErrorActionPreference = "Stop"

$signalLabel="HeartBeat"
$okLabel="OK"

if ((Get-WinSystemLocale).Name -eq "zh-CN") {
    $signalLabel="检测信号"
    $okLabel="确定"
}

$vmobject = Get-VM | Out-GridView -Title "Select VM to setup GPU-P" -OutputMode Single
$vmid = $vmobject.VMId
Write-Host "Stopping VM"
$vmobject | Stop-VM
Write-Host "Disabling checkpoints for VM"
$vmobject | Set-VM -CheckpointType Disabled
Write-Host "Enabling heartbeat service for VM"
$vmobject | Enable-VMIntegrationService -Name $signalLabel
if ($vmobject | Get-VMGpuPartitionAdapter) { $vmobject | Remove-VMGpuPartitionAdapter }
Write-Host "Starting VM"
$vmobject | Start-VM
do { Start-Sleep 2 } while(($vmobject | Get-VMIntegrationService -Name $signalLabel).PrimaryStatusDescription -ne $okLabel)
<# Write-Host "Connecting to VM"
$vmsess = New-PSSession -VMId $vmid
Write-Host "Copying display drivers to VM"
Invoke-Command -Session $vmsess {$prologWritten = $false} #>

$dev = Get-PnpDevice -Class Display -Status OK | Out-GridView -Title "Select Card to setup GPU-P" -OutputMode Single

$props = $dev | Get-PnpDeviceProperty
$pnpinf = ($props | where {$_.KeyName -eq "DEVPKEY_Device_DriverInfPath"}).Data
$infsection = ($props | where {$_.KeyName -eq "DEVPKEY_Device_DriverInfSection"}).Data
$cbsinf = (Get-WindowsDriver -Online | where {$_.Driver -eq "$pnpinf"}).OriginalFileName
If (-not $cbsinf) {
    Write-Host "Device not supported: $dev, inf: $pnpinf, cbs: $cbsinf"
    return;
}

$gpuName = $dev.FriendlyName
$path = $dev.InstanceId.replace('\', '#').ToLower()
$pvs = Get-VMHostPartitionableGpu
foreach($pv in $pvs){
    $name=$pv.Name.ToLower()
    echo "$name"
    if ($name.contains($path)){
        $path = $pv.Name
    }
}

echo "============================"
echo "Using: $gpuName, pnpinf: $pnpinf, path: $path"
echo "============================"

$inffile = (Get-Item -LiteralPath $cbsinf)
$drvpkg = $inffile.Directory
Write-Host "Copying driver package $drvpkg to VM, using $dev."
<# $hostdrvstorepath = Invoke-Command {
    New-Item -ItemType Directory "$env:SystemRoot\System32\HostDriverStore\FileRepository" -Force
} -Session $vmsess #>

# $hostdrvstorepath = Join-Path $remoteSystemRoot "System32\HostDriverStore\FileRepository"
echo Copy-Item -LiteralPath $drvpkg.FullName -ToSession $vmsess -Destination "$hostdrvstorepath" -Recurse -Force
<# $vminfpath = join-path (Join-Path $hostdrvstorepath $drvpkg.name) $inffile.Name
Invoke-Command -Session $vmsess -ScriptBlock {
    if (-not $prologWritten) {
        Set-Content -LiteralPath "$env:SystemDrive\GPUPAdditionalSetup.bat" -Encoding utf8 -Value @"
cd /d %TEMP%
set dirname=gpupaddlsetup%RANDOM%
mkdir %dirname%
cd %dirname%
"@
        $prologWritten = $true
    }
    Add-Content -LiteralPath "$env:SystemDrive\GPUPAdditionalSetup.bat" -Encoding utf8 -Value "start `"`" /wait rundll32 advpack.dll,LaunchINFSectionEx $using:vminfpath,$using:infsection,,4"
}

$scriptWritten = Invoke-Command -Session $vmsess -ScriptBlock {
    if ($prologWritten) {
        Add-Content -LiteralPath "$env:SystemDrive\GPUPAdditionalSetup.bat" -Encoding utf8 -Value @"
cd ..
rmdir /s /q %dirname%
"@
    }
    $prologWritten
} #>

Write-Host "Stopping VM"
$vmobject | Stop-VM
Write-Host "Configuring GPU-P for VM"
$vmobject | Add-VMGpuPartitionAdapter -InstancePath "$path"
$vmobject | Set-VMGpuPartitionAdapter -MinPartitionVRAM 80000000 -MaxPartitionVRAM 100000000 -OptimalPartitionVRAM 100000000 -MinPartitionEncode 80000000 -MaxPartitionEncode 100000000 -OptimalPartitionEncode 100000000 -MinPartitionDecode 80000000 -MaxPartitionDecode 100000000 -OptimalPartitionDecode 100000000 -MinPartitionCompute 80000000 -MaxPartitionCompute 100000000 -OptimalPartitionCompute 100000000
$vmobject | Set-VM -GuestControlledCacheTypes $true -LowMemoryMappedIoSpace 1Gb ¨CHighMemoryMappedIoSpace 32GB 
Write-host "Done"
<# if ($scriptWritten) {
    Write-Host "Don't forget to run GPUPAdditionalSetup.bat in system drive as administrator for additional setup. This may enable video codec and alternative graphics/compute APIs."
} #>