Local Session Manager (LSM) Service Defaults in Windows 10

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
Object:LocalSystem
Path:%SystemRoot%\system32\svchost.exe -k DcomLaunch
File:%SystemRoot%\System32\lsm.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LSM

Default Behavior

Local Session Manager is a Win32 service. In Windows 10 it is starting automatically when the operating system starts. Then the Local Session Manager service is running as LocalSystem in a shared process of svchost.exe along with other services. If Local Session Manager fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the LSM service has failed to start due to the error.

Dependencies

Local Session Manager cannot be started under any conditions, if the following services are disabled, deleted or working improperly:

Restore Default Startup Configuration for Local Session Manager

1. Select your Windows 10 edition and release, and then click Download.

2. Save the Win10_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 changed, damaged or deleted, you can restore its original version from Windows 10 installation media.