www.BlackViper.com: Windows 7 Services 411 - Peer Name Resolution Protocol

Peer Name Resolution Protocol

Default Description:

Enables serverless peer name resolution over the Internet using the Peer Name Resolution Protocol (PNRP). If disabled, some peer-to-peer and collaborative applications, such as Remote Assistance, may not function.

Additional Information:

If you do not plan on using Remote Assistance or HomeGroup for networking, the following group of services can safely be disabled:

• Peer Name Resolution Protocol
• Peer Networking Grouping
• Peer Networking Identity Manager
• PNRP Machine Name Publication Service

Additional Reading:

• PNRP: http://en.wikipedia.org/wiki/Peer_Name_Resolution_Protocol

Discussion Topic Link:

Windows 7 Services Forum

Defaults Startup Type:

Windows 7 Starter: Manual (Started)
Windows 7 Home Basic: Manual (Started)
Windows 7 Home Premium: Manual (Started)
Windows 7 Professional: Manual (Started)
Windows 7 Ultimate: Manual (Started)
Windows 7 Enterprise: Manual (Started)

Other Settings:

Safe Setting: Manual

Service Names:

Service Name (registry): PNRPsvc

Display Name: Peer Name Resolution Protocol

Default Path and Command Line Options:

C:\Windows\System32\svchost.exe -k LocalServicePeerNet

Log On As:

Account: Local Service

Dependencies:

What service Peer Name Resolution Protocol needs to function properly:

• Peer Networking Identity Manager (S, HB, HP, P, U, E)

What other service require Peer Name Resolution Protocol to function properly:

• Peer Networking Grouping (S, HB, HP, P, U, E)
• PNRP Machine Name Publication Service (S, HB, HP, P, U, E)

Registry Settings (.reg):

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\PNRPsvc]
"DisplayName"="@%SystemRoot%\\system32\\pnrpsvc.dll,-8000"
"ErrorControl"=dword:00000001
"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00,\
6b,00,20,00,4c,00,6f,00,63,00,61,00,6c,00,53,00,65,00,72,00,76,00,69,00,63,\
00,65,00,50,00,65,00,65,00,72,00,4e,00,65,00,74,00,00,00
"Start"=dword:00000003
"Type"=dword:00000020
"Description"="@%SystemRoot%\\system32\\pnrpsvc.dll,-8001"
"DependOnService"=hex(7):70,00,32,00,70,00,69,00,6d,00,73,00,76,00,63,00,00,00,\
00,00
"ObjectName"="NT AUTHORITY\\LocalService"
"ServiceSidType"=dword:00000001
"RequiredPrivileges"=hex(7):53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,\
00,6f,00,74,00,69,00,66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,\
67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,47,00,6c,\
00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,\
65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,72,00,73,00,6f,00,6e,00,61,\
00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,\
00,00
"FailureActions"=hex:80,51,01,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\
00,01,00,00,00,e0,93,04,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\PNRPsvc\parameters]
"ServiceDllUnloadOnStop"=dword:00000001
"ServiceMain"="SVCServiceMain"
"ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,\
00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\
70,00,6e,00,72,00,70,00,73,00,76,00,63,00,2e,00,64,00,6c,00,6c,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\PNRPsvc\Security]
"Security"=hex:01,00,04,80,bc,00,00,00,c8,00,00,00,00,00,00,00,14,00,00,00,02,\
00,a8,00,07,00,00,00,01,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,\
00,00,22,02,00,00,00,00,14,00,ff,01,0f,00,01,01,00,00,00,00,00,05,12,00,00,\
00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,20,02,00,00,\
00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,25,02,00,00,00,\
00,14,00,9d,00,02,00,01,01,00,00,00,00,00,05,04,00,00,00,00,00,18,00,9d,00,\
02,00,01,02,00,00,00,00,00,05,20,00,00,00,2b,02,00,00,00,00,18,00,9d,00,02,\
00,01,02,00,00,00,00,00,05,20,00,00,00,21,02,00,00,01,01,00,00,00,00,00,05,\
12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00