P9RdrService Defaults in Windows 11
Enables trigger-starting plan9 file servers.
Default Settings
| Startup type: | Manual |
| Display name: | P9RdrService |
| Service name: | P9RdrService |
| Service type: | user share process template |
| Error control: | normal |
| Object: | LocalSystem |
| Path: | %SystemRoot%\system32\svchost.exe -k P9RdrService -p |
| File: | %SystemRoot%\system32\p9rdrservice.dll |
| Registry key: | HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\P9RdrService |
Default Behavior
In Windows 11 it starts only if the user, an application or another service starts it. If P9RdrService fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the P9RdrService service startup failure.
Dependencies
P9RdrService cannot be started, if the following services won't start:
Restore Default Startup Configuration of P9RdrService
Before you begin doing this, make sure that all the services on which P9RdrService depends are configured by default and function properly. See the list of dependencies above.1. Run the Command Prompt as an administrator.
2. Copy the command below, paste it into the command window and press ENTER:
sc config P9RdrService start= demand
3. Close the command window and restart the computer.
The P9RdrService service is using the p9rdrservice.dll file that is located in the C:\Windows\system32 directory. If the file is removed or corrupted, read this article to restore its original version from Windows 11 installation media.