Turn off Microsoft Peer-to-Peer Networking Services: registry value DisabledComputerHKLM\Software\policies\Microsoft\Peernet

Policy ID
P2P_Disabled
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

Registry

Disabled

-Computer