DCOM Server Process Launcher (DcomLaunch) Service Defaults in Windows 8

The DCOMLAUNCH service launches COM and DCOM servers in response to object activation requests. If this service is stopped or disabled, programs using COM or DCOM will not function properly. It is strongly recommended that you have the DCOMLAUNCH service running.

Default Settings

Startup type:Automatic
Display name:DCOM Server Process Launcher
Service name:DcomLaunch
Service type:share
Error control:normal
Group:COM Infrastructure
Object:LocalSystem
Path:%SystemRoot%\system32\svchost.exe -k DcomLaunch
File:%SystemRoot%\system32\rpcss.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DcomLaunch
Privileges:
  • SeAssignPrimaryTokenPrivilege
  • SeAuditPrivilege
  • SeChangeNotifyPrivilege
  • SeCreateGlobalPrivilege
  • SeDebugPrivilege
  • SeImpersonatePrivilege
  • SeIncreaseQuotaPrivilege
  • SeTcbPrivilege
  • SeBackupPrivilege
  • SeRestorePrivilege

Default Behavior

DCOM Server Process Launcher is a Win32 service. In Windows 8 it is starting automatically during the operating system startup. Then the DCOM Server Process Launcher service runs as LocalSystem in a process of svchost.exe, sharing it with other services. If DCOM Server Process Launcher fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the DcomLaunch service hasn't been started.

Dependencies

All the services listed below will not start if DCOM Server Process Launcher is disabled:

Restore Default Startup Configuration for DCOM Server Process Launcher

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_DcomLaunch_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The DcomLaunch service is using the rpcss.dll file that is located in the %WinDir%\system32 folder. If the file is corrupted or deleted, you can put it back in there.