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First available in the Advanced Networking Pack for Windows XP, PNRP is a distributed name resolution protocol allowing Internet hosts to publish “peer names” and the corresponding IPv6 address. Other hosts can then resolve the name, retrieve the corresponding address, and establish peer-to-peer connections. Noah Horton, Program Manager in charge of PNRP, has a lot of information on this service at his blog, and Wikipedia also has a page. In short, if you don’t use Windows Meeting or other applications or games that make use of PNRP, then there is no harm disabling this service, though it is already set to manual by default.
Display Name:
Peer Name Resolution Protocol
Service Name:
PNRPsvc
Process Name:
svchost.exe
Description:
Enables Serverless Peer Name Resolution over the Internet. If disabled, some Peer to Peer and Colaborative applications, such as Windows Meetings, may not function.
Path to Executable:
%windir%\system32\svchost.exe -k LocalServiceNetworkRestricted
Default Startup:
- Home Basic: Manual
- Home Premium: Manual
- Business: Manual
- Enterprise: Manual
- Ultimate: Manual
Log On As:
Local Service
Desktop Interaction:
No
Depends On:
- Peer Networking Identity Manager
Required For:
- Peer Networking Grouping
- PNRP Machine Name Publication Service
Memory:
N/A
CPU:
N/A
Do you know something about this service that I don't? Please leave a comment below so I, and everyone else reading this, can benefit from your knowledge!
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Comments
Travis
Jan 19, 2008 at 5:21 am
All I know at this point is that it’s the Devil Incarnate when enabled on a Windows XP Professional Sp2 computer which has the latest update of Windows Live OneCare, that being Version 2.0.
This P2P service combined with Live OneCare causes the CPU to spike up to 100% and stay there, thereby rendering the computer virtually unusable until it’s brought back under control by disabling both it and the accursed “Peer Networking Identity Manager” services.
Much, much more about the subject can be found in the Live OneCare Community Forums, if anybody is interested.
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