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@neggles
Last active March 15, 2024 12:54
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Sets nVidia vGPU unlicensed state timeout to 24 hours and adds a daily scheduled task to restart the GPU drivers and reset the clock.
@echo off
REM Wrapper to run a PowerShell script as administrator without changing ExecutionPolicy.
REM I feel like this shouldn't work - why else have ExecutionPolicy? - but it does, soooo...
REM This should pass through arguments untouched, but cmd argument parsing is iffy; no promises.
setlocal
set ps_script_name=Set-VGpuEternalTrial.ps1
goto check_admin
REM Check if we have admin rights by running 'net session' and checking the return code.
REM Works on everything from Windows XP thru Windows 11.
:check_admin
echo Checking for admin rights...
net session >nul 2>&1
if %errorLevel% == 0 (
echo Success: Admin permissions available, proceeding with installation.
goto get_script_dir
) else (
echo Failure: This script requires admin rights to function.
echo Please right-click 'install.bat' and click 'Run as administrator'.
pause
exit /b 1
)
REM Get the directory this file is located in. Resolves relative paths.
:get_script_dir
echo Getting script path...
pushd %~dp0
set script_dir=%CD%
popd
echo Script directory: %script_dir%
goto run_ps_script
REM Actually execute the script.
:run_ps_script
echo "Running PowerShell script %script_dir%\%ps_script_name% with args %*"
powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -File "%script_dir%\%ps_script_name%" %*
exit /b %errorlevel%
<#
.SYNOPSIS
Set vGPU VM instance into eternal trial.
.DESCRIPTION
Configures a Windows vGPU client for a 24-hour trial period and automatic daily driver restarts.
.EXAMPLE
Set-VGpuEternalTrial -RestartTime 2AM
.EXAMPLE
Set-VGpuEternalTrial -RestartTime 3AM -Filter '*GRID*'
.INPUTS
None.
.OUTPUTS
None
.NOTES
None
.FUNCTIONALITY
Adds two registry keys and a scheduled task.
#>
[CmdletBinding()]
[OutputType([String])]
Param (
# Restart time
[Parameter(Mandatory = $false,
HelpMessage = 'Time of day to auto-restart the driver, defaults to 3:00am local')]
[Alias('Time')]
[ValidateNotNullOrEmpty()]
[string]
$RestartTime = '3AM',
# Device friendly name filter.
[Parameter(Mandatory = $false,
HelpMessage = "Filter for FriendlyName of devices to restart, defaults to 'nVidia*'")]
[ValidateNotNullOrEmpty()]
[String]
$Filter = 'nVidia*'
)
process {
$RegistryPath = 'HKLM:\SOFTWARE\NVIDIA Corporation\Global\GridLicensing'
$RegistryProps = @(
@{
Name = 'UnlicensedUnrestrictedStateTimeout'
PropertyType = 'DWORD'
Value = 0x5a0
}
@{
Name = 'UnlicensedRestricted1StateTimeout'
PropertyType = 'DWORD'
Value = 0x5a0
}
@{
Name = 'UnlicensedRestricted2StateTimeout'
PropertyType = 'DWORD'
Value = 0x5a0
}
@{
Name = 'DisableExpirationPopups'
PropertyType = 'DWORD'
Value = 0x1
}
@{
Name = 'DisableSpecificPopups'
PropertyType = 'DWORD'
Value = 0x1
}
)
$taskName = 'Restart vGPU Driver'
$taskDescr = 'Restart nVidia vGPU device drivers daily at {0}' -f $RestartTime
$taskScript = ( '& { Get-PnpDevice -PresentOnly -Class Display -FriendlyName ' + ('"{0}"' -f $Filter) + ' | Foreach-Object -Process { Disable-PnpDevice -InstanceId $_.InstanceId -Confirm:$false; Start-Sleep -Seconds 7; Enable-PnpDevice -InstanceId $_.InstanceId -Confirm:$false} }')
try {
Write-Output -InputObject ('Setting unlicensed state timeout registry properties to 24 hours')
# Make sure the registry key exists
(New-Item -ItemType Directory -Path $RegistryPath -Force -ErrorAction SilentlyContinue | Out-Null)
# Add/overwrite the properties
foreach ($RegistryProp in $RegistryProps) { New-ItemProperty -Path $RegistryPath @RegistryProp -Force -InformationAction SilentlyContinue }
# check for existing task and remove if present
Write-Output -InputObject ('Checking for existing scheduled task and removing if present')
if (Get-ScheduledTask -TaskName $taskName -ErrorAction SilentlyContinue) {
Unregister-ScheduledTask -TaskName $taskName -Confirm:$false
Write-Output -InputObject ('Found and unregistered existing scheduled task')
}
# Create daily restart scheduled task
Write-Output -InputObject ('Adding new scheduled task "{0}", daily at {1}' -f $taskName, $RestartTime)
$taskPrincipal = New-ScheduledTaskPrincipal -UserId 'SYSTEM' -LogonType 'ServiceAccount' -RunLevel 'Highest' -ProcessTokenSidType 'Default'
$taskSettings = New-ScheduledTaskSettingsSet # don't need any specifics here
$taskTrigger = New-ScheduledTaskTrigger -Daily -At $RestartTime
$taskAction = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument ('-WindowStyle Hidden -NonInteractive -NoProfile -Command "{0}" ' -f $taskScript)
$task = Register-ScheduledTask -TaskName $taskName -Action $taskAction -Trigger $taskTrigger -Description $taskDescr -Principal $taskPrincipal -Settings $taskSettings
Write-Output -InputObject ('Registered scheduled task "{0}"' -f $task.TaskName)
} catch {
throw $PSItem
} finally {
Write-Output -InputObject ('Done!')
}
}
@nikon331
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I just wanted to say thank you for this script. So far it's been working great in my home lab just for learning on VGPU v14 was wondering if there's any plans for v15?

@neggles
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neggles commented May 30, 2023

I just wanted to say thank you for this script. So far it's been working great in my home lab just for learning on VGPU v14 was wondering if there's any plans for v15?

Hm, does this not work for v15? I haven't been using vGPU lately & haven't kept up with the latest nVidia shenanigans...

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