Authentication Methods

The process of being validated by SQL Server is known as authentication, and it can be handled in two ways. The method you choose depends on whether the operating system or SQL Server will authorize the connection.

Windows Authentication Mode

Windows Authentication mode can be used in Windows 2000 and NT 4.0 environments to facilitate connection to SQL Server. In this mode, connections to SQL Server are validated based on the Windows account requesting the connection. SQL Server checks whether an associated login account is in the sysxlogins tables, and if there is, the connection is allowed. This is known as a trusted connection, as SQL Server has trusted the domain controller to authenticate the connection. This has the ...

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