Diagnostics: Configure scenario retention
Verified with Windows 11 25H2 — updated on July 30, 2026
Supported on: At least Windows Vista
Path in the GPO console
Computer Configuration\Administrative Templates\System\Troubleshooting and Diagnostics Description
This policy setting determines the data retention limit for Diagnostic Policy Service (DPS) scenario data. If you enable this policy setting, you must enter the maximum size of scenario data that should be retained in megabytes. Detailed troubleshooting data related to scenarios will be retained until this limit is reached. If you disable or do not configure this policy setting, the DPS deletes scenario data once it exceeds 128 megabytes in size. No reboots or service restarts are required for this policy setting to take effect: changes take effect immediately. This policy setting will only take effect when the Diagnostic Policy Service is in the running state. When the service is stopped or disabled, diagnostic scenario data will not be deleted. The DPS can be configured with the Services snap-in to the Microsoft Management Console.
Registry
SOFTWARE\Policies\Microsoft\Windows\WDI Value name: DataRetentionBySizeEnabled
Enabled: DataRetentionBySizeEnabled = 1
Disabled: DataRetentionBySizeEnabled = 0
MDM / Intune (CSP)
./Device/Vendor/MSFT/Policy/Config/ADMX_WDI/WdiDpsScenarioDataSizeLimitPolicy Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)
Export Builder
BETAConfigure the state, scope and options, then generate .reg, PowerShell, Intune and SCCM outputs — or add the setting to a multi-setting collection.
These exports write the registry — this is not a managed GPO. ⓘ
.reg file
Windows Registry Editor Version 5.00
; Exported from gporais.com
; Policy: Diagnostics: Configure scenario retention
; State: Enabled
; Supported on: At least Windows Vista
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WDI]
"DataRetentionBySizeEnabled"=dword:00000001
"DirSizeLimit"=dword:00000080More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Diagnostics: Configure scenario retention
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WDI'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'DataRetentionBySizeEnabled' -Value 1 -Type DWord
Set-ItemProperty -Path $path -Name 'DirSizeLimit' -Value 128 -Type DWordIntune XML
OMA-URI: ./Device/Vendor/MSFT/Policy/Config/ADMX_WDI/WdiDpsScenarioDataSizeLimitPolicy
Data type: String
Value:
<enabled/>
<data id="WdiDpsScenarioDataSizeLimitPolicyValue" value="128"/>Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Diagnostics: Configure scenario retention
# State: Enabled
# Supported on: At least Windows Vista
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WDI' -Name 'DataRetentionBySizeEnabled' -Expected 1 -Kind DWord)
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WDI' -Name 'DirSizeLimit' -Expected 128 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Diagnostics: Configure scenario retention
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WDI'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'DataRetentionBySizeEnabled' -Value 1 -Type DWord
Set-ItemProperty -Path $path -Name 'DirSizeLimit' -Value 128 -Type DWordSCCM scripts
# Exported from gporais.com
# Policy: Diagnostics: Configure scenario retention
# State: Enabled
# Supported on: At least Windows Vista
# SCCM Configuration Item guidance:
# Create a Configuration Item of type "Setting: Script".
# Discovery script: use the Detection script below.
# Remediation script: use the Remediation script below.
# Compliance rule: the Discovery script output equals 'Compliant'.
# === Detection script ===
# Exported from gporais.com
# Policy: Diagnostics: Configure scenario retention
# State: Enabled
# Supported on: At least Windows Vista
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WDI' -Name 'DataRetentionBySizeEnabled' -Expected 1 -Kind DWord)
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WDI' -Name 'DirSizeLimit' -Expected 128 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Diagnostics: Configure scenario retention
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WDI'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'DataRetentionBySizeEnabled' -Value 1 -Type DWord
Set-ItemProperty -Path $path -Name 'DirSizeLimit' -Value 128 -Type DWordBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.