CoreMessaging - Windows 10 Service
Manages communication between system components.
This service also exists in Windows 11.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | Automatic | Automatic | Automatic | Automatic |
| 1511 | Automatic | Automatic | Automatic | Automatic |
| 1607 | Automatic | Automatic | Automatic | Automatic |
| 1703 | Automatic | Automatic | Automatic | Automatic |
| 1709 | Automatic | Automatic | Automatic | Automatic |
| 1803 | Automatic | Automatic | Automatic | Automatic |
| 1809 | Automatic | Automatic | Automatic | Automatic |
| 1903 | Automatic | Automatic | Automatic | Automatic |
| 1909 | Automatic | Automatic | Automatic | Automatic |
| 2004 | Automatic | Automatic | Automatic | Automatic |
| 20H2 | Automatic | Automatic | Automatic | Automatic |
| 21H1 | Automatic | Automatic | Automatic | Automatic |
| 21H2 | Automatic | Automatic | Automatic | Automatic |
| 22H2 | Automatic | Automatic | Automatic | Automatic |
Default Properties
| Display name: | CoreMessaging |
| Service name: | CoreMessagingRegistrar |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k LocalServiceNoNetwork -p |
| File: | %WinDir%\system32\coremessaging.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
Default Behavior
The CoreMessaging service is running as NT AUTHORITY\LocalService in a shared process of svchost.exe. Other services might run in the same process. If CoreMessaging fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the CoreMessagingRegistrar service has failed to start.
Dependencies
CoreMessaging is unable to start, if the Remote Procedure Call (RPC) service is stopped or disabled.
Restore Default Startup Type of CoreMessaging
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreCoreMessagingWindows10.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 coremessaging.dll file exists in the %WinDir%\system32 folder. If this file is missing you can try to restore it from your Windows 10 installation media.