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Security Accounts Manager (System Services for the Windows Server 2003 Family and Windows XP Operating Systems)

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Service Name: SamSs

Executable Name: Lsass.exe

Log On As: LocalSystem

Description: The Security Accounts Manager (SAM) service is a protected subsystem that manages user and group account information. In Windows 2000 and Windows Server 2003, workstation security accounts are stored by SAM in the registry of the local computer, and domain controller security accounts are stored in Active Directory. In Windows NT 4.0, both local and domain security accounts are stored in the registry.

The startup of this service signals other services that SAM is ready to accept requests.

This service cannot be stopped.

If you disable this service, other services in the system are not notified when SAM is ready, which might cause those services to fail to start correctly. This service should not be disabled.

Available on: Windows Server 2003, Standard Edition; Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition and Windows Server 2003, Web Edition.

Installed through: Default operating system installation

Startup type: Automatic

Service status: Started

This service depends on the following system components:

Remote Procedure Call (RPC)

The following system components depend on this service:

DHCP Server

Distributed File System

Distributed Transaction Coordinator

FTP Publishing Service


IIS Admin Service

Intersite Messenging

Message Queuing

Message Queuing Downlevel Client Support

Message Queuing Triggers

Microsoft POP3 Service

Network News Transfer Protocol (NNTP)

Simple Mail Transfer Protocol (SMTP)

Windows Internet name Services (WINS)

World Wide Web Publishing Service

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