Windows Mixed Reality OpenXR Service (MixedRealityOpenXRSvc) Defaults in Windows 11

Enables Mixed Reality OpenXR runtime functionality.

The Windows Mixed Reality OpenXR Service does not exist in:

Default Settings

Startup type: Manual
Display name:Windows Mixed Reality OpenXR Service
Service name:MixedRealityOpenXRSvc
Service type:share
Error control:normal
Object:LocalSystem
Path:%SystemRoot%\system32\svchost.exe -k LocalSystemNetworkRestricted -p
File:%SystemRoot%\System32\MixedRealityRuntime.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MixedRealityOpenXRSvc
Privileges:
  • SeImpersonatePrivilege

Default Behavior

Windows Mixed Reality OpenXR Service is a Win32 service. In Windows 11 it starts only if the user, an application or another service starts it. When the Windows Mixed Reality OpenXR Service is started, it logs on as LocalSystem and running in a shared process of svchost.exe. If Windows Mixed Reality OpenXR Service fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the MixedRealityOpenXRSvc service startup failure.

Dependencies

Windows Mixed Reality OpenXR Service cannot be started, if the Remote Procedure Call (RPC) service won't start.

Restore Default Startup Configuration of Windows Mixed Reality OpenXR Service

Before you begin doing this, make sure that all the services on which Windows Mixed Reality OpenXR Service 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 MixedRealityOpenXRSvc start= demand

3. Close the command window and restart the computer.

The MixedRealityOpenXRSvc service is using the MixedRealityRuntime.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.