Tuesday, August 16, 2011

Understanding Security Account Manager (SAM)

The Security Accounts Manager (SAM)  is a database in the Windows operating system (OS) that contains user names and passwords. SAM is part of the registry and can be found on the hard disk. This service is responsible for making the connection to the SAM database (Contains available user-accounts and groups).

The SAM database can either be placed in the local registry or in the Active Directory. When services can start accessing the SAM-database. In the SAM, each user account can be assigned a Windows password which is in encrypted form.

If someone attempts to log on to the system and the user name and associated passwords match an entry in the SAM, a sequence of events takes place ultimately allowing that person access to the system. If the user name or passwords do not properly match any entry in the SAM, an error message is returned requesting that the information be entered again.

When you make a New User Account with a Password, it gets stored in the SAM File.Windows Security Files are located at
“C:\Windows\System32\Config\SAM”
The moment operating system starts, the SAM file becomes inaccessible.

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