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Chapter 32: Authentication Types in SQL Server
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Best Practice
If Kerberos implementation is necessary, avoid the use of unconstrained delegation at all costs.
Summary
SQL Server 2012 supports both Windows-only authentication and SQL and Windows authen-
tication. Windows-only authentication is the preferred authentication type because it
provides additional security and management advantages. Use SQL authentication for back-
ward compatibility reasons only or in non-Windows domain environments.
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