Yes. More importantly, the SAM is for local accounts - it knows nothing about AD accounts. If your concern is with AD accounts you should work with AD.

>Hi,
>
>Please read the paragraph below and the answer my question (after the paragraph):
>
>

>Directories are an important though rarely mastered component of enterprise application development. 
>For the Windows® platform, Microsoft provides three primary directory platforms: Active Directory® 
>Domain Services, the local Security Account Manager (SAM) data store on every Windows computer, 
>and the relatively new Active Directory Lightweight Directory Services or AD LDS (which you may have 
>previously known as Active Directory Application Mode or simply ADAM). While most enterprise developers 
>know at least the basics of SQL programming, far fewer have experience programming directory services.
>

>
>Do I understand correctly that if I am mainly concerned with the Active Directory, I need to ignore the Security Account Manager (SAM)? Since, in my understanding, the SAM is something in every Windows computer.
>
>TIA