Set the Seed Server: registry value SeedServer (IPv6-SiteLocal)ComputerHKLM\Software\policies\Microsoft\Peernet\Pnrp\IPv6-SiteLocal

Policy ID: PNRP_SeedServer_2
Scope: Computer Configuration
Supported on: At least Windows XP Professional with SP2
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Network › Microsoft Peer-to-Peer Networking Services › Peer Name Resolution Protocol › Site-Local Clouds

Registry

SeedServer

REG_SZComputer

HKLM\Software\policies\Microsoft\Peernet\Pnrp\IPv6-SiteLocal Current key

Enabled value: Depends on the option value
Element: Seed Server
Value type: REG_SZ

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\policies\Microsoft\Peernet\Pnrp\IPv6-SiteLocal]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"SeedServer"="<enter value>"

CMD

:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKLM\Software\policies\Microsoft\Peernet\Pnrp\IPv6-SiteLocal" /v "SeedServer" /t REG_SZ /d "<enter value>" /f

PowerShell

# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKLM:\Software\policies\Microsoft\Peernet\Pnrp\IPv6-SiteLocal' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\policies\Microsoft\Peernet\Pnrp\IPv6-SiteLocal' -Name 'SeedServer' -PropertyType String -Value '<enter value>' -Force | Out-Null