How to: Enable Kerberos Authentication on a SQL Server Failover Cluster

Kerberos is a network authentication protocol designed to provide strong authentication for client/server applications. Kerberos provides a foundation for interoperability and helps to enhance the security of enterprise-wide network authentication.

You can use Kerberos authentication with SQL Server stand-alone instances or with SQL Server failover cluster instances. For additional information about enabling Kerberos, see the Knowledge Base article, "How to use Kerberos authentication in SQL Server."

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