Always On Failover Cluster Instances (FCI) on existing SQL Server

  • I have launched three EC2 Windows_Server-2019_SQL_2019_Standard instances. How can I implement Always On Failover Cluster Instances (FCI) on these existing SQL Servers. I can only find details like when you install SQL first time that time only you can choose the Failover Clustering option.

    • This topic was modified 7 months, 3 weeks ago by  Shivkumar.
  • The key aspect of running a SQL Server Failover Clustering Instance (FCI) is that it runs on a Windows Failover Cluster.

    The host cluster must be built and configured (including the shared storage for the SQL instance's databases) before SQL is installed. SQL Server must be installed as a clustered instance; you cannot convert a stand-alone instance into an FCI.


    Eddie Wuerch
    MCM: SQL

  • Thank you, this helps

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