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Maybe an "official" way to do it in the future. This thread details the challenges: https://github.com/rancher/rancher/issues/16471 Until then, one method is to delete/detach the cluster from Rancher manager (https://ranchermanager.docs.rancher.com/faq/rancher-is-no-longer-needed), and then import the cluster into the other Rancher manager instance. Rancher-specific configurations (project names and permissions) may be lost in the process and will need to be reconfigured. Definitely test in a non-production environment with a non-production cluster before trying this on a live system.

Thanks sir