Peer Name Resolution Protocol - Windows 7 Service
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.
This service also exists in Windows 10, 11, 8 and Vista.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Manual | Manual |
| Home Basic | Manual | Manual |
| Home Premium | Manual | Manual |
| Professional | Manual | Manual |
| Ultimate | Manual | Manual |
| Enterprise | Manual | Manual |
Default Properties
| Display name: | Peer Name Resolution Protocol |
| Service name: | PNRPsvc |
| Type: | share |
| Path: | %WinDir%\System32\svchost.exe -k LocalServicePeerNet |
| File: | %WinDir%\system32\pnrpsvc.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Peer Name Resolution Protocol service runs as NT AUTHORITY\LocalService in a shared process. It shares the executable file with other services. If the Peer Name Resolution Protocol fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PNRPsvc service has failed to start.
Dependencies
Peer Name Resolution Protocol will not start, if the Peer Networking Identity Manager service is stopped or disabled.
If the Peer Name Resolution Protocol is stopped, the following services will not start and initialize:
Restore Default Startup Type of Peer Name Resolution Protocol
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestorePeerNameResolutionProtocolWindows7.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the pnrpsvc.dll file exists in the %WinDir%\system32 folder. If this file is missing you can try to restore it from your Windows 7 installation media.