Select a method to restrict Peer Selection
Verified with Windows 11 25H2 — updated on July 30, 2026
Supported on: At least Windows Server 2016, Windows 10
Path in the GPO console
Computer Configuration\Administrative Templates\Windows Components\Delivery Optimization Description
Specifies to restrict peer selection using the selected method, in addition to the DownloadMode policy. 0 = None 1 = Subnet mask 2 = Local discovery (DNS-SD)
Registry
HKLM
SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization MDM / Intune (CSP)
./Device/Vendor/MSFT/Policy/Config/DeliveryOptimization/DORestrictPeerSelectionBy Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)
CSP values
-
0 (Default)- None. -
1- Subnet mask. -
2- Local discovery (DNS-SD).
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: Select a method to restrict Peer Selection
; State: Enabled
; Supported on: At least Windows Server 2016, Windows 10
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization]
"DORestrictPeerSelectionBy"=dword:00000001More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Select a method to restrict Peer Selection
# State: Enabled
# Supported on: At least Windows Server 2016, Windows 10
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'DORestrictPeerSelectionBy' -Value 1 -Type DWordIntune XML
OMA-URI: ./Device/Vendor/MSFT/Policy/Config/DeliveryOptimization/DORestrictPeerSelectionBy
Data type: String
Value:
<enabled/>
<data id="RestrictPeerSelectionBy" value="1"/>Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Select a method to restrict Peer Selection
# State: Enabled
# Supported on: At least Windows Server 2016, Windows 10
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
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization' -Name 'DORestrictPeerSelectionBy' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Select a method to restrict Peer Selection
# State: Enabled
# Supported on: At least Windows Server 2016, Windows 10
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'DORestrictPeerSelectionBy' -Value 1 -Type DWordSCCM scripts
# Exported from gporais.com
# Policy: Select a method to restrict Peer Selection
# State: Enabled
# Supported on: At least Windows Server 2016, Windows 10
# 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: Select a method to restrict Peer Selection
# State: Enabled
# Supported on: At least Windows Server 2016, Windows 10
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
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization' -Name 'DORestrictPeerSelectionBy' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Select a method to restrict Peer Selection
# State: Enabled
# Supported on: At least Windows Server 2016, Windows 10
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\DeliveryOptimization'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'DORestrictPeerSelectionBy' -Value 1 -Type DWordBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.