Protected Storage (ProtectedStorage) Service Defaults in Windows XP

Provides protected storage for sensitive data, such as private keys, to prevent access by unauthorized services, processes, or users.

Default Settings

Startup type:Automatic
Display name:Protected Storage
Service name:ProtectedStorage
Error control:normal
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ProtectedStorage

Default Behavior

In Windows XP it is starting automatically along with the operating system. If the Protected Storage fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the ProtectedStorage service has failed to start.


Protected Storage depends on the Remote Procedure Call (RPC) service.

Restore Default Startup Configuration for Protected Storage

1. Select your Windows XP edition and service pack, and then click Download.

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

3. Run the saved file.

4. Restart the computer.

The ProtectedStorage service is using the lsass.exe 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 XP installation media.