Document URL: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/upgrading_from_rhel_8_to_rhel_9/planning-an-upgrade_upgrading-from-rhel-8-to-rhel-9#masthead Section Number and Name: Known limitations Describe the issue: Known limitations - Notable known limitations of Leapp currently include: <snip> * The in-place upgrade is not supported for systems with Ansible Tower installed. Suggestions for improvement: * The in-place upgrade is not supported for the Ansible product suite Additional information:
Please note this also applies for RHEL 7 to 8 https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/upgrading_from_rhel_7_to_rhel_8/index#planning-an-upgrade_upgrading-from-rhel-7-to-rhel-8