SQL Server 2005 Authentication Modes
The SQL Server security model has two authentication modes:
Windows Authentication only. Works best when the database is accessed within the organization only.
Mixed security. Works best when outside users need to access the database or when you do not use Windows domains.
You configure these security modes at the server level, and they apply to all databases on the server. It is important to note, however, that each database server instance has separate security architecture. This means that different database server instances can have different security modes.
Windows Authentication
If you use the Windows Authentication mode, you can use the user and group accounts available in the Windows domain for authentication. ...
Get Microsoft® SQL Server™ 2005 Administrator's Pocket Consultant now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.