While running the RHEL HA cluster supported on public clouds[1], running it on on-prem (like Azure stack hub) is not tested nor supported[2]. [1] https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/deploying_red_hat_enterprise_linux_8_on_public_cloud_platforms/configuring-rhel-high-availability-on-azure_cloud-content [2] https://access.redhat.com/solutions/5590961