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How to Start/Stop
Peer Name Resolution Protocol service
Description Services Regedit Back CMD Msconfig
Service name: PNRPsvc
Display name: Peer Name Resolution Protocol

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.

Path to executable:
C:\Windows\System32\svchost.exe -k LocalServicePeerNet
Type services.msc and press Enter
Services.msc:
This method shows you how to Start/Stop Peer Name Resolution Protocol from Services.msc
Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Locate Peer Name Resolution Protocol observe his current status and open to make changes.
From General tab you can Start/Stop and change the Startup type of Peer Name Resolution Protocol.

To finish press ok button and close Services window
Type regedit and press Enter
Please confirm User Account Control pop-up
Microsoft official disclaimer

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by
using another method. These problems might require that you reinstall the operating system. Microsoft
cannot guarantee that these problems can be solved. Modify the registry at your own risk.

Please navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\PNRPsvc and
locate Start registry key
Regedit:          
This method shows you how to change Startup type of Peer Name Resolution Protocol from Registry
Editor.
Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
   
   
Type cmd, right click on cmd icon under the Programs and click on Run as administrator
Please confirm User Account Control pop-up
Please select, right and copy a registry key from below, then right click on command prompt window
, select Paste and press Enter

To Start Peer Name Resolution Protocol:

net start PNRPsvc

Note: You can’t start a service if Startup type is on Disabled.

To Stop Peer Name Resolution Protocol:

net stop PNRPsvc

To change Startup Type:

Automatic:
REG add "HKLM\SYSTEM\CurrentControlSet\services\PNRPsvc" /v Start /t REG_DWORD /d 2 /f

Manual:
REG add "HKLM\SYSTEM\CurrentControlSet\services\PNRPsvc" /v Start /t REG_DWORD /d 3 /f

Disabled:
REG add "HKLM\SYSTEM\CurrentControlSet\services\PNRPsvc" /v Start /t REG_DWORD /d 4 /f

Automatic (Delayed Start):
REG add "HKLM\SYSTEM\CurrentControlSet\services\PNRPsvc" /v Start /t REG_DWORD /d 2 /f

Note: When you change to Automatic (Delayed Start) a new key DelayedAutostart is created with value 1.
REG add "HKLM\SYSTEM\CurrentControlSet\services\PNRPsvc" /v DelayedAutostart /t REG_DWORD /d 1 /f

When you change to Automatic from Automatic (Delayed Start), DelayedAutostart change value to 0.
REG add "HKLM\SYSTEM\CurrentControlSet\services\PNRPsvc" /v DelayedAutostart /t REG_DWORD /d 0 /f
CMD:          
This method shows you how to Start/Stop and change Peer Name Resolution Protocol from
Command Prompt.
Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Msconfig:          
This method shows you how to prevent Peer Name Resolution Protocol from starting with the operating
system using System Configuration (msconfig.exe).
Please perform the following steps:

Please go to Pearl button (Start) and click on the Search programs and files
For more information about the change from Start to Pearl button click here
Write msconfig and press Enter
In System Configuration please go to Services tab and locate Peer Name Resolution Protocol.
Uncheck the box to prevent this service to start and then press OK to finish.  
Any change make in System Configuration will be apply after restart.  
Up Back
   
   
Double click on Start and edit the value:

Change Startup type :

Automatic - 2
Manual - 3
Disabled - 4
Automatic (Delayed Start) - 2

Note: When you change to Automatic (Delayed Start) a new key DelayedAutostart is created with value 1.
When you change to Automatic from Automatic (Delayed Start), DelayedAutostart change value to 0.