Windows 7 Services

Peer Networking Identity Manager - Windows 7 Service

Provides identity services for the Peer Name Resolution Protocol (PNRP) and Peer-to-Peer Grouping services. If disabled, the Peer Name Resolution Protocol (PNRP) and Peer-to-Peer Grouping services may not function, and some applications, such as HomeGroup and Remote Assistance, may not function correctly.

This service also exists in Windows 10, 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 Networking Identity Manager
Service name:p2pimsvc
Path:%WinDir%\System32\svchost.exe -k LocalServicePeerNet
Error control:normal
Object:NT AUTHORITY\LocalService
  • SeChangeNotifyPrivilege
  • SeCreateGlobalPrivilege
  • SeImpersonatePrivilege

Default Behavior

The Peer Networking Identity Manager service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Peer Networking Identity Manager 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 p2pimsvc service has failed to start.


If the Peer Networking Identity Manager is stopped, the following services will not start and initialize:

Restore Default Startup Type for Peer Networking Identity Manager

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestorePeerNetworkingIdentityManagerWindows7.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.