Provides Network Authentication for Peer Group Members.
This service is unavailable until the installation of Service Pack 2. This service does not install by default after the installation of Service Pack 2, but if needed, you may install it later by heading to under Control Panel > Add or Remove Programs > Add/Remove Windows Components > Select "Networking Services" > Details button > Check "Peer to Peer". This service seems to have something to do with IPv6 and functionality that has not been fully implemented. Microsoft tends to throw in services in older OS's that may be used at a later date to speed adoption. Leave this not installed for now.
None at this time.
Default XP Pro x64: Not Installed
Safe Setting: Not Installed
Service Name (registry): p2pgasvc
Display Name: Peer Networking Group Authentication
C:\WINDOWS\system32\svchost.exe -k p2psvc
Account: NT AUTHORITY\LocalService
What service Peer Networking Group Authentication needs to function properly:
What other service require Peer Networking Group Authentication to function properly:
"Have you tweaked your OS lately?"
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Windows Service Configurations!
Includes explanations of each service and advice on which services you can safely disable.