Microsoft NT Server

SIDs and SAMs


Security Identifiers

A Security Identifier, or SID, is a unique number that is generated by the computer to associate with every user account, group, and machine account known to the computer. Some special concerns and points of interest:
The following is an example of a SID:

SID Example

Security Account Manager

The Security Account Manager, or SAM, tracks all information that relates to the policies and account restrictions created on the computer. The file is located in the %systemroot%\system32\config directory. Conceptually, the SAM database is similar in scope and function to the Netware bindry.


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The Microsoft Windows NT Virtual Lecture by Patrick Watson
Florida Community College at Jacksonville