3.1. Prerequisites

Before the migration can take place, verify to comply to the following prerequisites:

• At least one service uses single sign-on.

• The UCS Primary Directory Node is on UCS version 5.0-4 with the latest errata updates.

• The servers where you want to install Keycloak must also be on UCS version 5.0-4 with the latest errata updates.

• If you have Keycloak already installed, make sure to update to the latest app version.