batcmd.com Windows 10 Services

Encrypting File System (EFS) - Windows 10 Service

Provides the core file encryption technology used to store encrypted files on NTFS file system volumes. If this service is stopped or disabled, applications will be unable to access encrypted files.

This service also exists in Windows 7 and 8.

Startup Type

Windows 10 edition 1507 1511 1607 1703
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Default Properties

Display name:Encrypting File System (EFS)
Service name:EFS
Type:share
Path:%WinDir%\System32\lsass.exe
File:%WinDir%\system32\efssvc.dll
Error control:normal
Object:LocalSystem
Privileges:
  • SeImpersonatePrivilege
  • SeTcbPrivilege
  • SeIncreaseQuotaPrivilege
  • SeAssignPrimaryTokenPrivilege
  • SeAuditPrivilege

Default Behavior

The Encrypting File System (EFS) service is running as LocalSystem in a shared process of lsass.exe. Other services might run in the same process. If Encrypting File System (EFS) fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the EFS service has failed to start.

Dependencies

Encrypting File System (EFS) is unable to start, if the Remote Procedure Call (RPC) service is stopped or disabled.

Restore Default Startup Type for Encrypting File System (EFS)

Automated Restore

1. Select your Windows 10 edition and release, and then click on the Download button below.

2. Save the RestoreEncryptingFileSystemEFSWindows10.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 efssvc.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.