Promoting EFT Stand-Alone to Cluster Node
In EFT v8.0.5 and later, you can "promote" an EFT stand-alone server to a new cluster node. Refer to Globalscape Knowledgebase article #11542, Promote Stand-alone EFT to HA node for details of promoting a stand-alone server to a node in a cluster configuration.
You cannot promote a stand-alone server to an existing cluster. In that case, you would have to reinstall EFT on the stand-alone box as a active-active server, using instructions in Globalscape Knowledgebase article #11271, "Installing and Upgrading EFT in an Active-Active HA Cluster," and then point the new active-active server to the existing cluster configuration path.