Local Session Manager (LSM) Service Defaults in Windows 8

Core Windows Service that manages local user sessions. Stopping or disabling this service will result in system instability.

Default Settings

Startup type:Automatic
Display name:Local Session Manager
Service name:LSM
Service type:share
Error control:normal
Group:COM Infrastructure
Path:%SystemRoot%\system32\svchost.exe -k DcomLaunch
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LSM

Default Behavior

Local Session Manager is a Win32 service. In Windows 8 it is starting automatically during the operating system startup. Then the Local Session Manager service runs as LocalSystem in a process of svchost.exe, sharing it with other services. If Local Session Manager 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 LSM service hasn't been started.


Local Session Manager can't start, if any service from the list below is disabled or not available:

Restore Default Startup Configuration for Local Session Manager

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

2. Save the Win8_LSM_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The LSM service is using the lsm.dll file that is located in the %WinDir%\System32 folder. If the file is corrupted or deleted, you can put it back in there.