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Microsoft SQL Server 2014 Unleashed by Paul Bertucci, Alex T. Silverstein, Chris Gallelli, Ray Rankins

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Installing SQL Server within WSFC

For SQL failover clustering, you must install a new SQL Server instance within a minimum two-node cluster. You should not move a SQL Server instance from an unclustered configuration to a clustered configuration. If you already have SQL Server installed in an unclustered environment, you need to make all the necessary backups (or detach databases) first, and then you need to uninstall the unclustered SQL Server instance. Some upgrade paths and migration paths are possible from prior versions of SQL Server and Windows Server. You must specify the same product key on all the nodes that you are preparing for the same failover cluster. You also should make sure you use the same SQL Server instance ID for all the ...

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