General Information
None at this time
Windows 8
Default Description
The startup of this service signals other services that the Security Accounts Manager (SAM) is ready to accept requests. Disabling this service will prevent other services in the system from being notified when the SAM is ready, which may in turn cause those services to fail to start correctly. This service should not be disabled.
Additional Information
None at this time.
Default Startup Type
| OS | SP0 |
|---|---|
| Windows 8 x86 | Automatic (Started) |
| Windows 8 x64 | Automatic (Started) |
| Windows 8 Pro x86 | Automatic (Started) |
| Windows 8 Pro x64 | Automatic (Started) |
| Windows 8 Enterprise x86 | Automatic (Started) |
| Windows 8 Enterprise x64 | Automatic (Started) |
Service Names
Service Name (registry): SamSs
Display Name: Security Accounts Manager
Default Path and Command Line Options
C:\Windows\system32\lsass.exe
Log On As
Account: Local System account
Dependencies
Note: No dependencies are listed for any service in the WDP build I used to draft this information.
Windows 7
Default Description
The startup of this service signals other services that the Security Accounts Manager (SAM) is ready to accept requests. Disabling this service will prevent other services in the system from being notified when the SAM is ready, which may in turn cause those services to fail to start correctly. This service should not be disabled.
Additional Information
This is another service that cannot be disabled by using services.msc, nor change its state using a registry patch.
This service uses between 1MB and 5MB depending on system RAM.
Default Startup Type
| OS | SP0 | SP1 |
|---|---|---|
| Windows 7 Starter | Automatic (Started) | Automatic (Started) |
| Windows 7 Home Basic | Automatic (Started) | Automatic (Started) |
| Windows 7 Home Premium | Automatic (Started) | Automatic (Started) |
| Windows 7 Professional | Automatic (Started) | Automatic (Started) |
| Windows 7 Ultimate | Automatic (Started) | Automatic (Started) |
| Windows 7 Enterprise | Automatic (Started) | Automatic (Started) |
Service Names
Service Name (registry): SamSs
Display Name: Security Accounts Manager
Default Path and Command Line Options
C:\Windows\system32\lsass.exe
Log On As
Account: Local System account
Dependencies
What service Security Accounts Manager needs to function properly:
-
Remote Procedure Call (RPC)(S, HB, HP, P, U, E)
- DCOM Server Process Launcher (S, HB, HP, P, U, E)
- RPC Endpoint Mapper (S, HB, HP, P, U, E)
What other service require Security Accounts Manager to function properly:
- Distributed Transaction Coordinator (S, HB, HP, P, U, E)
- IIS Admin Service (S, HB, HP, P, U, E)
- KtmRm for Distributed Transaction Coordinator (S, HB, HP, P, U, E)
-
Server(S, HB, HP, P, U, E)
- Computer Browser (S, HB, HP, P, U, E)
- HomeGroup Listener (S, HB, HP, P, U, E)
Windows Vista
Default Description
The startup of this service signals other services that the Security Accounts Manager (SAM) is ready to accept requests. Disabling this service will prevent other services in the system from being notified when the SAM is ready, which may in turn cause those services to fail to start correctly. This service should not be disabled.
Additional Information
This is another service that cannot be disabled by using services.msc, nor change its state using a registry patch.
This service uses between 1MB and 10MB depending on system RAM.
Default Startup Type
| OS | SP0 | SP1 | SP2 |
|---|---|---|---|
| Vista Home Basic | Automatic (Started) | Automatic (Started) | Automatic (Started) |
| Vista Home Premium | Automatic (Started) | Automatic (Started) | Automatic (Started) |
| Vista Business | Automatic (Started) | Automatic (Started) | Automatic (Started) |
| Vista Ultimate | Automatic (Started) | Automatic (Started) | Automatic (Started) |
| Vista Enterprise | Automatic (Started) | Automatic (Started) | Automatic (Started) |
Service Names
Service Name (registry): SamSs
Display Name: Security Accounts Manager
Default Path and Command Line Options
C:\Windows\system32\lsass.exe
Log On As
Account: Local System Account
Dependencies
What service Security Accounts Manager needs to function properly:
-
Remote Procedure Call (RPC)(HB, HP, B, U)
- DCOM Server Process Launcher (HB, HP, B, U)
What other service require Security Accounts Manager to function properly:
- Distributed Transaction Coordinator (HB, HP, B, U)
-
IIS Admin Service(HB, HP, B, U)
- FTP Publishing Service (B, U)
- KtmRm for Distributed Transaction Coordinator (HB, HP, B, U)
-
Server(HB, HP, B, U)
- Computer Browser (HB, HP, B, U)
Windows XP Pro x64
Default Description
Stores security information for local user accounts.
Additional Information
Like Protected Storage, it saves profile and security information for local users. This service is required for IIS Admin. If you have ever used the Group Policy Editor (gpedit.msc) to modify your settings, you need to keep this service running, otherwise, your modifications will not apply. After the installation of Service Pack 2, you may no longer be able to stop this service.
Default Startup Type
| OS | SP0 | SP1 | SP2 |
|---|---|---|---|
| XP Pro x64 | ? | ? | Automatic |
Service Names
Service Name (registry): SamSs
Display Name: Security Accounts Manager
Default Path and Command Line Options
C:\WINDOWS\system32\lsass.exe
Log On As
Account: Local System Account
Dependencies
What service Security Accounts Manager needs to function properly:
- None
What other service require Security Accounts Manager to function properly:
- Distributed Transaction Coordinator
- Message Queuing
- Message Queuing Triggers
- Message Queuing
- IIS Admin
- FTP Publishing
- Simple Mail Transport Protocol (SMTP)
- World Wide Web Publishing
Windows XP
Default Description
Stores security information for local user accounts.
Additional Information
Like Protected Storage, it saves profile and security information for local users. This service is required for IIS Admin. If you have ever used the Group Policy Editor (gpedit.msc) to modify your settings, you need to keep this service running, otherwise, your modifications will not apply. After the installation of Service Pack 2 or 3, you will no longer be able to stop this service.
Default Startup Type
| OS | SP0 | SP1 | SP2 | SP3 |
|---|---|---|---|---|
| XP Home | ? | ? | Automatic (Started) | Automatic (Started) |
| XP MCE 2005 | ? | ? | Automatic (Started) | Automatic (Started) |
| XP Pro | ? | ? | Automatic (Started) | Automatic (Started) |
| XP Tablet PC 2005 | ? | ? | Automatic (Started) | Automatic (Started) |
Service Names
Service Name (registry): SamSs
Display Name: Security Accounts Manager
Default Path and Command Line Options
C:\WINDOWS\system32\lsass.exe
Log On As
Account: Local System Account
Dependencies
What service Security Accounts Manager needs to function properly:
- None (H, M, P, T)
- SP3: Remote Procedure Call (RPC) (H, M, P, T)
What other service require Security Accounts Manager to function properly:
-
Distributed Transaction Coordinator(H, M, P, T)
-
Message Queuing(M, P, T)
- Message Queuing Triggers (M, P, T)
-
Message Queuing(M, P, T)
-
IIS Admin(M, P, T)
- FTP Publishing (M, P, T)
- Simple Mail Transport Protocol (SMTP) (M, P, T)
- World Wide Web Publishing (M, P, T)
Additional Reading
None at this time.