Windows XP Services

Security Accounts Manager - Windows XP Service

Stores security information for local user accounts.

This service also exists in Windows 10, 11, 7, 8 and Vista.

Startup Type

Windows XP edition without SP SP1 SP2 SP3
Home Automatic Automatic Automatic Automatic
Professional Automatic Automatic Automatic Automatic

Default Properties

Display name:Security Accounts Manager
Service name:SamSs
Error control:normal

Default Behavior

runs in a shared process. It shares the executable file with other services. If the Security Accounts Manager fails to load or initialize, the error is recorded into the Event Log. Windows XP startup should proceed, but a message box is displayed informing you that the SamSs service has failed to start.


Security Accounts Manager will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the Security Accounts Manager is stopped, the Distributed Transaction Coordinator fails to start and initialize.

Restore Default Startup Type of Security Accounts Manager

Automated Restore

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

2. Save the RestoreSecurityAccountsManagerWindowsXP.bat file to any folder on your hard drive.

3. Run the downloaded batch file.

4. Restart the computer to save changes.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.