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content/operate/rs/7.4/installing-upgrading/upgrading/_index.md

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To upgrade Redis Enterprise Software:

  1. Verify appropriate [network ports]({{< relref "/operate/rs/7.4/networking/port-configurations.md" >}}) are either open or used by Redis Enterprise Software.

  2. [Upgrade the software on all nodes of the cluster.]({{< relref "/operate/rs/7.4/installing-upgrading/upgrading/upgrade-cluster" >}})

  3. (Optional) [Upgrade each database]({{< relref "/operate/rs/7.4/installing-upgrading/upgrading/upgrade-database" >}}) in the cluster or [upgrade an Active-Active database]({{< relref "/operate/rs/7.4/installing-upgrading/upgrading/upgrade-active-active" >}}) to enable new features and important fixes.